CANIN+ User Manual E 200901 l

7/30/2019 CANIN+ User Manual E 200901 l

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... more than 50 years of know-how you can measure!

canin +

Made in Switzerland

Operating InstructionsCorrosion Analyzing Instrument


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Proceq SA Ringstrasse 2Post ach 336CH - 8603 SchwerzenbachSwitzerlandTel.: +41 ( 0 )43 355 38 00 / Fax: +41 ( 0 )43 355 38 12E - Mail: in [email protected]

Proceq USA, Inc.117 Corporation Drive

Aliquippa, PA 15001USA Phone +1 724 512 0330 / Fax +1 724 512 0331E - Mail: in [email protected]

Proceq Asia Pte Ltd12 New Industrial Road#02 - 02A Morningstar Centre

Singapore 536202Phone +65 - 6382 - 3966 / Fax +65 - 6382 - 3307E - Mail: in [email protected]

Proceq Asia Pte Ltd Shanghai Rep O ceRoom 1402 , Unicom International TowerNo. 547 , Tian Mu Road WestShanghai, P.R.C 200070Tel: +86 21 6317 7479 / Fax: +86 21 6317 5015E-Mail: in [email protected]

Proceq Rus LLCul.Optikov 4, korp.2lit. A, o ce 321197374 St. PetersburgRussiaPhone: + 7 812 448 35 00E-Mail: in [email protected]

Proceq Middle EastP.O. Box: 262419Jebel Ali Free ZoneDubai, United Arab Emirates

Phone: +971 4 8865877E-Mail: in [email protected]

Proceq SAO Ltd.South American OperationsRua Haddock Lobo, 746 - 5 andarCerqueira Cesar, So Paulo - SP, BrasilCep. 01414-000Phone: +55 11 3083 38 89E-Mail: in [email protected]

www.proceq.com

Subject to change without notice.

Copyright 2009 by Proceq SA, Schwerzenbach 820 33 002E ver 1 2009


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Table o Contents

1 Sa ety and Liability 51.1 General In ormation 5

1.2 Liability 5

1.3 Sa ety Instructions 5

1.4 Symbols used in the operating instructions 5

1.5 Correct Usage 5

2 Tutorial 62.1 The Hal -Cell Potential Measurement Principle 6

2.2 Factors a ecting the Potential Measurement 7

2.3 Application Limits o the Potential Measurement Technique 7

2.4 The Electrical Resistivity Measurement Principle 8

2.5 In luence o Rebars on Electrical Resisitivity Measurements 8

2.6 E ect o Electrical Resistivity on Hal -cell Potential Measurements 8

3 Getting Started 93.1 Prepare the electrode(s) 9

3.2 Connect the electrode / probe to the indicating device 9

3.3 Power ON and select the correct operating mode 10

3.4 Functional check o the equipment 10

4 Real Tests Potential Measurements 114.1 Planning and preparation 12

4.2 Selecting the correct grid 12

4.3 Choosing the appropriate electrode 12

4.4 Connect to the rein orcement 12

4.5 Functional check o the instrument 12

4.6 Preparation o the test sur ace 13

4.7 Check to see i coatings need to be removed 13

4.8 Pre-moistening the concrete sur ace 13

4.9 Carrying out the measurement 144.9.1 Reading the display screen 144.9.2 Measuring with the Rod Electrode 154.9.3 Measuring with the Wheel Electrode 164.9.4 Re-opening an object 164.9.5 Overwriting or deleting readings 164.10 Evaluation 174.10.1 Example o a typical distribution 174.11 Con irmation and re ining o hotspot positions 18


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5 General Settings 185.1 Backlight 18

5.2 Navigating around the menus 18

5.3 Selecting the operating mode 18

5.4 Con iguring the instrument or potential measurement (See Fig 5.1) 21

5.5 Con iguring the instrument or electrical resisitivity measurement (See Fig 5.2) 22

6 CANIN ProVista So tware 226.1 Installing CANIN ProVista 22

6.2 Starting CANIN ProVista 22

6.3 Downloading and Saving Data 23

6.4 Renaming Files 24

6.5 Opening and Editing Files 24

6.6 Con iguration 25

6.7 Insert ile 266.8 Edit 27

6.9 Additional Functions 27

6.10 Relative requency 28

6.11 Cumulative requency 28

6.12 Chipping graph 29

6.13 Annotations 29

7 Measuring the electrical resistivity 307.1 Preparing the concrete sur ace or measurement 30

7.2 Reading the display screen 31

7.3 Measuring with the Wenner Probe 31

8. Trans er o Electrical Resisitivity Data to a PC (Windows 2000 / XP /

Vista) 32

9 Technical Speci cations 339.1 Technical In ormation CANIN ProVista so tware 34

9.2 Standards and Regulations Applied 34

10 Part Numbers and Accessories 3410.1 Complete Units 34

10.2 Accessories 35

11 Maintenance and Support 3511.1 Functional check o the electrodes 35

11.2 Maintenance o the Rod Electrode 36

11.3 Maintenance o the Wheel Electrode 36

11.4 Functional check o the resistivity probe 36

11.5 Support Concept 3611.6 Standard Warranty and Extended Warranty 36


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5 2009 by Proceq SA

1 Sa ety and Liability

1.1 General In ormation

This manual contains important in ormation on the sa ety, use and maintenance o the Canin+. Readthrough the manual care ully be ore the irst use o the instrument. Keep the manual in a sa e place

or uture re erence.

1.2 Liability

Our General Terms and Conditions o Sales and Delivery apply in all cases. Warranty and liabilityclaims arising rom personal injury and damage to property cannot be upheld i they are due to oneor more o the ollowing causes:

Failure to use the instrument in accordance with its designated use as described in this manual.

Incorrect per ormance check or operation and maintenance o the instrument and its compo-

nents.Failure to adhere to the sections o the manual dealing with the per ormance check, operation

and maintenance o the instrument and its components.Unauthorised modi cations to the instrument and its components.

Serious damage resulting rom the e ects o oreign bodies, accidents, vandalism and orce

majeure All in ormation contained in this documentation is presented in good aith and believed to be correct.Proceq SA makes no warranties and excludes all liability as to the completeness and/or accuracyo the in ormation.

1.3 Sa ety Instructions

The equipment is not allowed to be operated by children or anyone under the in luence o alcohol,

drugs or pharmaceutical preparations. Anyone who is not amiliar with this manual must be super-vised when using the equipment.

Carry out the stipulated maintenance properly and at the correct time.

Following completion o the maintenance tasks, per orm a unctional check.

Pay attention to the correct use and disposal o the copper sulphate solution and the cleaning

material.

1.4 Symbols used in the operating instructions

Danger!: This symbol indicates a risk o serious or atal injury in the event that cer-tain rules o behaviour are disregarded

i Note: This symbol indicates important in ormation

1.5 Correct Usage

The instrument is only to be used to determine the corrosion potential o rebars in concrete or the

electrical resistance o concrete.Replace aulty components only with original replacement parts rom Proceq.

Accessories should only be installed or connected to the instrument i they are expressly autho-

rized by Proceq. I other accessories are installed or connected to the instrument then Proceq willaccept no liability and the product guarantee is or eit.


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6 2009 by Proceq SA

2 Tutorial

2.1 The Hal -Cell Potential Measurement Principle

Under normal conditions rein orcement steel is protected rom corrosion by a thin, passive ilm ohydrated iron oxide.

This passive ilm is decomposed due to the reaction o the concrete with atmospheric carbon dioxide(CO 2, carbonation), or by the penetration o substances aggressive to steel, in particular chlorides

rom de-icing salt or salt water.

At the anode errous ions (Fe++) are dissolved and electrons are set ree. These electrons dri tthrough the steel to the cathode, where they orm hydroxide (OH-) with the generally available waterand oxygen. This principle creates a potential di erence that can be measured by the hal -cellmethod.

The basic idea o the potential ield measurement is to measure the potentials at the concrete sur-ace, in order to get a characteristic picture o the state o corrosion o the steel sur ace within the

concrete. For this purpose a re erence electrode is connected via a high-impedance voltmeter (inthe case o the system Canin + R = 10 M ) to the steel rein orcement and is moved in a grid overthe concrete sur ace.

The re erence electrode o the Canin + system is a Cu/CuSO 4 hal -cell. It consists o a copper rodimmersed in a saturated copper sulphate solution, which maintains a constant, known potential.


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7 2009 by Proceq SA

Typical orders o magnitude ( or in ormation only) or the hal -cell potential o steel in concrete meas-ured against a Cu/CuSO4- re erence electrode are in the ollowing range (RILEM TC 154-EMC):

water saturated concrete without O2: -1000 to -900 mV

moist, chloride contaminated concrete: -600 to -400 mV

moist, chloride ree concrete: -200 to +100 mV

moist, carbonated concrete: -400 to +100 mV

dry, carbonated concrete: 0 to +200 mV

dry, non-carbonated concrete: 0 to +200 mV

2.2 Factors a ecting the Potential Measurement

Provided that the corrosion conditions are equal (chloride content or carbonation o the concrete atthe steel sur ace) the main in luences upon the hal -cell potentials are:

Moisture

See the igures above or moist, carbonated concrete and dry, carbonated concrete. Moisture has alarge e ect on the measured potential leading to more negative values.

TemperatureIn order to measure the potential there must be a contact between the probe and the electrolytes inthe pore system o the concrete. There ore a measurement below the reezing point is not recom-mended and can lead to incorrect readings.

Concrete cover thickness (Measure with Profometer / Profoscope)

The potential that can be measured at the sur ace becomes more positive with increasing concretecover. Variations in the concrete cover can cause deviations in the measurements. Very low concretecover can lead to more negative potentials which would seem to indicate high levels o corrosion.There ore it is advisable to make concrete cover measurements along with the hal -cell measure-ments.

Electrical resistivity of the concrete cover (Measure with the Wenner Probe)This topic is dealt with in detail in section 2.4

Oxygen content at the reinforcement

With decreasing oxygen concentration and increasing pH-value at a steel sur ace its potentialbecomes more negative. In certain cases o concrete components with a high degree o water satu-ration, low porosity and/or very high concrete cover and thus low oxygen supply, the potential at thesteel sur ace may be very negative even though no active corrosion is taking place. Without checkingthe actual corrosion state this may lead to misinterpretation o the potential data.

The air permeability o the concrete may be tested with Proceqs Torrent instrument.

2.3 Application Limits o the Potential Measurement TechniqueThe potential ield measurement even with a coarse grid delivers good results or chloride inducedcorrosion. This type o corrosion is typi ied by pitting developing into troughs. This strongly a ectsthe diameter o the rein orcement and thereby greatly a ects the load bearing capacity. Corrosiondue to carbonation is typi ied by the development o smaller macro-elements and is only possible todetermine by using a very ine grid i at all.

Corrosion o pre-stressed steel rein orcement is not possible to detect i it is located within a protec-tive tube.

The potential ield measurement alone o ers no quantitative conclusions about the rate o corrosion.

Empirical studies have shown that there is a direct relationship between the corrosion rate and theelectrical resisitivity. However corrosion rate readings are o limited value as the rebar corrosion ratevaries considerably with time. It is more reliable to work with corrosion readings taken over a periodo time.


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8 2009 by Proceq SA

2.4 The Electrical Resistivity Measurement Principle

As we have seen above, corrosion is an electro-chemical process. The low o the ions between theanodic and cathodic areas and there ore the rate at which corrosion can occur is a ected by theresistivity o the concrete.

The Wenner Probe is used to measure the electrical resistivity o the concrete. A current is applied to

the two outer probes and the potential di erence is measured between the two inner probes.

I

V

a a a

Resistivity = 2 aV/l [k cm]

Empirical tests have arrived at the ollowing thresh-old values which can be used to determine the likeli-hood o corrosion.

When 12 k cm corrosion is unlikely

When = 8 to 12 k cm corrosion is possible

When 8 k cm corrosion is airly certain

The electrical resistivity o the concrete cover layer decreases due to:

increasing concrete water content

increasing concrete porosity

increasing temperature

increasing chloride content

decreasing carbonation depth

When the electrical resistivity o the concrete is low, the rate o corrosion increases.When the electrical resisitivity is high, e.g. in case o dry and carbonated concrete, the rate o cor-rosion decreases.

2.5 Infuence o Rebars on Electrical Resisitivity Measurements

The presence o rebars disturbs electrical resisitivity measurements as they conduct current muchbetter than the surrounding concrete. This is particularly the case when the cover depth is less than30mm. In order to minimize the e ect, none o the electrodes should be placed above a rebar whenmeasuring, or i this is unavoidable, then perpendicular to the rebar.

2.6 E ect o Electrical Resistivity on Hal -cell Potential Measure-ments

Low electrical resistivity leads to more negative potentials that can be measured on the sur ace andthe potential gradients become latter.

In this case the measurement grid or potential measurements may be coarser, as the risk o unde-tected anodic areas with latter gradients becomes lower. However, as the resolution between cor-roding and passive areas is reduced, this may lead to an overestimation o the actively corrodingsur ace area.

High electrical resisitivity leads to more positive potentials that may be measured on the sur ace andpotential gradients become steeper.

In this case the measuring grid must be made iner, in order to be able to locate an anode with avery steep gradient. However, the more potentials may be misinterpreted as passive areas when onlyconsidering the absolute value o the potential.


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9 2009 by Proceq SA

3 Getting Started

i Note: First time user: Complete the tutorial OR see a demo by a quali ied Proceqrepresentative.

3.1 Prepare the electrode(s)

Rod Electrode - Be ore illing, remove the red cap with the wooden plug and soak it in water orabout an hour to allow the wood to saturate and swell.

Wheel Electrode - The wooden plug is not intended to be removed. Immerse the wheel in waterwell be ore you intend to use it to allow water to soak into the plug. The elt hoops and the elt hoopconnector should be saturated with water be ore measuring.

Copper Sulphate (Rod and Wheel) - Prepare the saturated solution by mixing 40 units by weighto copper sulphate with 100 units by weight o distilled water. In order to ensure that the solutionremains saturated, add an additional teaspoon ul o copper sulphate crystals into the electrode.The electrode should be illed as completely as possible with a minimum o air in the compart-

ment. This ensures that the solution is in contact with the wooden plug even when measuring in anupwards direction.

Caution! When handling copper sulphate be care ul to take note o the sa etyinstructions on the packaging.

3.2 Connect the electrode / probe to the indicating device

Connect the hal -cell electrode or Wenner Probe to the device as shown below:

Rod electrode connects to INPUT A and alsorequires GND connection.

Wheel electrode connects to INPUT A, pathmeasurement connects to INPUT B.

GND connection is also required. (See 4.4)

Wenner probe connects to INTERFACERS232C only.


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10 2009 by Proceq SA

3.3 Power ON and select the correct operating mode

Press the ON/OFF button to power on.

The indicating device has two distinct modes o operation:-

Corrosion analysing

Electrical resistivity meter

It will start up in whichever mode wasused last. For potential measurements theinstrument must be in Corrosion analys-ing mode.

Switch between modes by pressing MENU,place the cursor at Wenner Probe,press START, select OFF or Corrosion

Analysing mode or ON or ResistivityMeter. (See 5.3) Press MENU or END.

3.4 Functional check o the equipment

Per orm a unctional check o the equipment as described in sections 4.5 and 11.

Congratulations! Your Canin + is ully operational and you can now start your measurements.


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4 Real Tests Potential Measurements

4.6Prepare the test

sur ace

3Complete

Getting Started

4.1Planning andpreparation

4.4Connect to therein orcement

4.5Functional checko the instrument

5.4Check instrument

con guration

4.7 Is a direct measurement on the concrete sur ace possible?

Yes No

Can the infuence rom sur acecoatings be estimated and

compensated?

Yes No

Remove thesur ace coating

4.8, 4.9 Pre-moisten the sur ace i required and carry out the measurement

4.10 Evaluate the data

4.11 Con rm and re ne corrosion hotspot positions at openings in the concrete

Measurement

2Read the

Tutorial

Understand the principle and application limits o thehal cell potential measurement method.


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4.1 Planning and preparation

In Canin +, the measurement data is stored in iles called Objects. In order to make the evaluationsimpler it is recommended be ore beginning work to map out the site and assign various sections toparticular Objects. This will acilitate the evaluation in ProVista at a later stage.

In order to minimize the e ort needed or the investigation, the site can be divided into sections that

are subjected to similar amounts o wear, by means o a visual inspection. (e.g. Multi-story car park:Entrance area, tra ic lane, parking areas, areas with and without cracks or obvious areas wherepuddles orm.) Following this inspection, representative sub-sections should be chosen, in which thepotential ield measurements are carried out with the Canin + system.

4.2 Selecting the correct grid

One method is to use a relatively large grid or a irst estimate, e.g. 0.50 x 0.50 m 2 up to a max o 1.0x 1.0 m 2 using the coarse grid. (See 5.4).

Suspect areas can be urther investigated using a iner grid (e.g. 0.15 x 0.15 m 2 ), to identi y as closelyas possible the extent o the sur ace that will require corrective maintenance.

Vertical elements usually require a smaller grid (e.g. 0.15 x 0.15 m 2 ). The same applies to slenderelements, or which the grid will be de ined by the geometry, (e.g. steps, beams and joints etc.).

For large horizontal sur aces (parking decks, bridge decks etc.) a grid o 0.25 x 0.25 m 2 to 0.5 x0.5m 2 is typically su icient.

4.3 Choosing the appropriate electrode

Depending on the sur ace under test, it is necessary to choose which type o electrode will beemployed. For small areas or areas that are di icult to access, the small and light Rod Electrode willtypically be used. For more accessible horizontal, vertical or overhead sur aces, it is much aster touse the 1-Wheel Electrode. For large horizontal sur aces the 4-Wheel Electrode is recommended or

the reason o the signi icantly aster automatic measurement in a pre-de ined grid.

4.4 Connect to the rein orcement

The ground cable must be connected to the rein orcement o the sur ace to be measured. This isusually done by chiseling or drilling to the rein orcement. In some cases it may be possible to useexisting building elements that are connected to the rein orcement (e.g. water pipes, earth points).The connection to the rein orcement should be made with the least possible resistance. To this endit may be bene icial to grind the rein orcement with (e.g using an angle grinder) and to connect thecable with welding tongs.

The connection should be tested or continuity. This requires at least one other point o the rein orce-

ment to be exposed and to check the resistance between the two with an Ohmmeter. The connec-tions should be situated as ar as possible in opposing corner areas o the sur ace under test. Themeasured resistance should not be more than 1 above the resistance o the cable used.

4.5 Functional check o the instrument

Be ore real tests begin, a unctional check is recommended (see section 11).

Additionally the probes should provide a stable value close to zero (typically E = 20 mV) when theyare held in the air and the Canin + instrument is connected to earth.

It is also a good idea to make comparison measurements on areas that are clearly damaged againstareas that are clearly intact. (e.g. at the base o a column with obvious corrosion compared with

columns at a height o approximately 1.50 m without any visual damage.) Here also stable valuesshould be obtained, whereby the measured values in the damaged area should be signi icantly morenegative than the values rom the undamaged area.


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I the results obtained are doubt ul, then it is o ten the case that there is a contact problem, e.g.connection to the rein orcement or the connection between the probe and the Canin +-instrument,respectively inadequate preparation o the probe (copper sulphate solution). Furthermore it is pos-sible that a ilm o water on the probe or telescopic extension can create an electrical connection tothe person carrying out the measurement. This can also a ect the results. These error sources areeasily corrected and the check should be repeated.

Check the instrument con iguration (See 5.4).

4.6 Preparation o the test sur ace

It is recommended to mark out a grid on the sur ace corresponding to the grid you wish to use. Forsmall areas where point measurements will be made with the Rod Electrode this can be done byusing a tape or by drawing the grid on the element. For large areas such as parking and bridge decksthe wheel electrode is pre erable. The integrated path measurement ensures the correct grid in thedirection o measurement. To ensure the correct grid between parallel measurement paths markscan be drawn on the sur ace. Please note the 4-Wheel Electrode ensures a stable parallel grid andrequires less marks to be drawn on the sur ace.

4.7 Check to see i coatings need to be removed

It is not possible to make a measurement through an electrically isolating coating (e.g. an epoxy resincoating, sealing sheets or asphalt layers.)

It is possible to make a measurement through thin dispersion coatings, that are o ten used, orexample on the walls and ceiling o underground car parks, however this can cause a small shi t othe potentials.

It is always necessary to check whether or not a measurement can be made through a coating.

To do this, potentials should be measured at a ew locations

in the rst place through the coating and

with the coating removed

I possible areas with largely varying potentials should be chosen. I there is no alteration o thepotential, or i a shi t o the potential can be compensated by a correction (e.g. E = 50 mV), thena measurement can be made directly on the coating. I not, then the coating must be removed be oremaking the measurement.

4.8 Pre-moistening the concrete sur ace

The contact between the pore solution o the concrete and the probe can be impaired by a dried outconcrete skin. This can greatly increases the electrical resisitivity o the concrete.

It is there ore recommended to moisten the sur ace approximately 10 to 20 minutes be ore carryingout the measurement.

I this is not possible, it must be ensured that the sponge on the Rod Electrode or the elt hoopson the wheel electrode are su iciently moistened. In this case, when making a measurement, theprobe must be held against the sur ace until a stable end value is reached. (I the sur ace is dry atthe beginning o the measurement, it has to be moistened by the sponge on the probe so a stablevalue will not be present initially.)This is only possible with the Rod Electrode.

In the case o the wheel electrode with its continual automatic measurement, it is not possible tomonitor whether or not the measured value is stable. There ore it is recommended to pre-moistenthe sur ace section wise and to measure in intervals o a ew minutes.


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4.9 Carrying out the measurement

Con igure your instrument as described in section 5. Pressing the END button saves the settings andtakes the user to the measuring screen.

4.9.1 Reading the display screen

From here press the START button to begin. This brings up the empty page.

Fig 4.1 Page with a grid o 150/150 mm.

The XY- coordinates are displayed in meters. The display has 16 points x 15 points (240 points) ordisplaying the measured values as a grey scale. This constitutes a page. With the XY-grid set to150/150mm, as in the example here, this represents a total area o (2250mm x 2100mm).

A total o 980 pages can be stored in the memory. The number o pages that are still available oruse is shown in the top right hand corner o the measuring screen (Fig 5.1). (e.g. 491 P indicates 491pages are still available.)

The number o pages contained in an object is not limited except by this.

1 The cursor shows the next measurement location

2 The arrow shows in which direction the cursor will move. This can be altered to match the meas-urement direction by pressing the arrow keys.

3 The measured value.

4 The Object number.5 The meter value. E.g. a 10 will be shown here i we have travelled 10m in the X-direction.

6 Indications (Switch between the two by pressing MENU whilst in the measuring screen):

Indicator Probe type Indicationr Rod Electrode XY-gridR Rod Electrode coarse grond* Wheel Electrode Measurements will be automatically overwritten- Wheel Electrode Measurements will not be overwritten


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4.9.2 Measuring with the Rod ElectrodeThe cursor begins in the top le t hand corner o the XY-Grid (Fig 4.1). This indicates where the irstmeasurement will be stored, so it is important to take the irst measurement in the correspondingpoint marked on the concrete.

i Note: The irst measurement must not necessarily be made in the top le t handcorner. Be ore making any measurement, you may move the cursor around on thescreen using the buttons to the desired location. This is particularly use uli there is some kind o obstruction on the test object which means that a measure-object which means that a measure-object which means that a measure-ment cannot be made in that position. By moving the cursor as described you canmove on the grid to clear the obstruction and continue measuring. The importantthing is that your position on the screen should match the actual position on theconcrete.

Moisten the oam rubber plug o the electrode with water and press it lightly onto the rst mea-

suring point. The measured value will be shown in mV in the centre o the display. Once it stabi-lizes, a beep will indicate when the measurement has been acquired automatically. (See 5.4). Atthis point the mV value is blended out and a grey scale indication will be placed on the grid. Thecursor will move to the next point to be measured.Following the measurement it should be possible to see a wet patch when applied on dry con-

crete. I this is not the case then the oam rubber plug should be moistened with water again.The simplest way to proceed is to make the measurements as proposed by the instrument. i.e.

begin in the top le t hand corner and move along the row in the X-direction according to thecolumn width, e.g. 150mm between measuring points.When you come to the end o a row, you must press the button to indicate this and the cursorwill jump down to the next row. The direction arrow (Field 2 in g 4.1) will automatically change

direction to .Now you can proceed to measure in the opposite direction along this row. When the end is

reached, i.e. you are back at the Y-axis, the cursor will automatically jump down to the next rowand the direction arrow will change back to .When you come to the end o a page the cursor automatically jumps to the next page.

i Note: The instrument can also be used to measure along the Y-axis, i.e. up and downthe columns. This is done by altering the direction arrow to be ore starting. In thiscase you must indicate to the instrument that you have reached the end o a columnby pressing the button.

i Note: The PRINT button can be used to mark an X on the display in the place o ameasurement value. This is use ul or marking the position o cracks etc.

When you have inished making all o the measurements you require on the concrete press the ENDbutton. The measured values are stored automatically.


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4.9.3 Measuring with the Wheel Electrode As described in 4.9.2, begin at the location corresponding to the top le t hand corner o the screenand move in the direction indicated or alter this accordingly.

Press the START button to acquire the rst reading.

Now proceed to move the wheel electrode in the Y-direction (down) as indicated by the direction

arrow (Field 2 in g 4.1). The measurement readings will be acquired automatically in the pre-selected row spacing.When you come to the end o a column, press the button to indicate this and the cursor will

jump right to the next column. The direction arrow will automatically change direction to .Now place the wheel physically one column spacing to the right and acquire the rst measure-

ment by pressing the START button. Proceed to measure back along the Y-axis (up) as indicatedby the direction arrow.When you come to the end o the measurement sur ace, (the X-axis) the cursor will automatically

jump to the next column and the direction arrow will change back to .Following each manual or automatic change in the direction arrow, the path measurement and

the automatic acquisition o the potential reading is halted.

These breaks in the measurement process can be used or example to re ll the water compart-ment. Automatic measurement begins again when the START button is pressed.During such breaks, the measured value is shown in the status row. (Field 3 in Fig 4.1)

The maximum speed o travel should not exceed a maximum o 1m/sec.

Measurements along the X-axis cannot be acquired. (Objects may be rotated later in ProVista)

i Note: The nozzle ( 1 mm) is it as standard. On dry sur aces, the elt hoop shouldleave a clearly visible trace as you measure. Depending on the character o theconcrete it may be necessary to increase to one o the larger nozzle diameters (2 or 3 mm).

i Note: On dry, vertical sur aces, measurements should be made downwards as thisensures an even moistening o the sur ace.

4.9.4 Re-opening an object An object can be re-opened and missing measurements can be entered or suspect measurementscan be overwritten. However the ollowing points should be observed.

Once an object has been closed and a new object has been opened, it is no longer possible to addpages to a previously opened object.

I you have worked out the size o the area assigned to an object (see 4.1), it is possible to reservethe number o pages you will require in the case that you are not able to complete the measurementin one go.

A page is reserved once it has appeared on the screen. In order to reserve the necessary pages,simply move the cursor to each page you will require. For a better orientation it may help to place anX (see Note in 4.9.2) somewhere on the page (but not in the top le t hand corner).

The last object that was opened can be re-opened and extended at any time.

4.9.5 Overwriting or deleting readingsExisting readings can be overwritten by moving the cursor to the appropriate point and making anew reading with the electrode. Once the reading has registered, the cursor will move to the nextmeasuring point along the axis indicated by the direction arrow.

To delete an existing reading, move the cursor to the point you wish to delete and press PRINT ortwo seconds. Once the reading has been deleted, the cursor will move to the next measuring pointalong the axis indicated by the direction arrow.


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4.10 Evaluation

Typically, two criteria must be considered or the evaluation. (This is merely a guideline. The actualevaluation should be carried out by a corrosion engineer.)

Active corrosion can be expected at locations where a negative potential is surrounded by1.increasingly positive potentials, i.e. locations with a positive potential gradient. Potential di -

erences with delta o around +100mV within a 1m measurement area, together with negativepotentials are a clear indication o active corrosion.

In order to plan corrective maintenance it is necessary to draw a border between areas o2.active corrosion (anodes) and passive areas (cathodes) within the sur aces showing potentialgradients. In order to do this it is necessary to set a threshold potential that de ines the inter-section between the two states. ProVista has unctionality which aids in this. (Read section 6

or details).

4.10.1 Example o a typical distributionI the sur ace under test has both actively corroding as well as passive rebars, then the two statesexhibit di ering statistical distributions o the potential. In the graphical representations providedby ProVista there are typically three characteristic sections (Fig. 4.2). A lattening out o the sectionshows that in these value ranges, there is less data available, i.e. the boundaries o the distributionare here.

Fig. 4.2 Example o a relative requency chart and cumulative requency chart.

The potential ranges o active corrosion and passivity overlap.

The red cursor (le tmost) = minimum o the passive distribution.

The yellow cursor (rightmost) = maximum o the active distribution.

Active corrosion is practically certain in the region o the le t hand (more negative) straight section.Once these cursor lines have been set, the sur aces in this potential range will be automaticallydisplayed in the corresponding colour in the CANIN ProVista Chipping Plot.

In the example the red cursor line marks this threshold. A typical Chipping Plot taken rom a practi-cal example is shown below.


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The right hand side straight section almost cer-tainly corresponds to passive rein orcement. Thisis displayed automatically in the Chipping Plotin green.

In the overlapping range active corrosion andareas o passivity can be present with the samepotential values. Areas with potential values inthis area are displayed automatically in yellow inthe Chipping Plot. In this overlapping range it isassumed that a de inite statement on the corro-sion state is not possible and such sub-sectionsmay only be evaluated by more extensive inves-tigations.

4.11 Con rmation and re ning o hotspot positions

Once the potentials have been evaluated, it is recommended to make openings in the concrete toveri y the threshold potential. Prior to making the opening it is recommended to locate the exact posi-tion o the rein orcement bars by means o a rebar locator (e.g. Proceqs Pro ometer, Pro oscope).Moreover a ine measurement with the Rod Electrode using a small grid is recommended to deter-mine the actual Hotspot (local potential minimum).

5 General Settings

5.1 Backlight

The display has a back light which can be switched on or o by pressing the END button or morethan 2 seconds when the measurement screen is displayed. When the backlight is on, an asterisk isshown in the top right hand corner.

5.2 Navigating around the menus

The diagrams in Fig 5.1 and Fig 5.2 show the menu structure or con iguring the equipment orpotential measurement and electrical resisitivity measurement respectively. On start up, the measur-ing screen is shown. Press MENU to access the main menu or the mode selected.

For all the selected menus: Use the and buttons to select menu items and adjust settings.

I the option START is indicated at the bottom o the screen, pressing this will take you to the

selected menu item.Pressing MENU saves the settings and takes you back to the main menu.

Pressing END saves the settings and takes you to the measurement screen.

5.3 Selecting the operating mode

Wenner Probe This menu item switches between operating modes.

For potential measurement it is OFF.

For resistivity measurement it is ON.


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Fig 5.1 Menu Overview or Potential Measuring

M E N U

M E N

U

E N D

M E N U

S T A R T

M E N U E N D

O F F

O N

E N D

E N D

S T A R T

M a

i n m e n u

f o r r e s i s t

i v i t y m e a s u r i n g

P r e s s

i n g

M E N U s a v e s

t h e s e

t t i n g s a n

d t a k e s y o u

t o t h e n e x t

h i g h e r m e n u

P r e s s

i n g

E N D s a v e s

t h e s e

t t i n g s a n

d t a k e s y o u

t o t h e m e a s u r i n g s c r e e n

U s e

t h e a n

d

t o s e

l e c

t , n a v i g

a t e a n

d a

d j u s t s e

t t i n g s


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E N D

E N D

E N D

M E N U

M E N U

M E N U

S T A R T

S T A R T

M E

N U

E N D

O F F

O N

P r e s s

i n g

M E N U s a v e s

t h e s e

t t i n g s a n

d t a k e s

y o u

t o t h e n e x

t h i g h e r m e n u

P r e s s

i n g

E N D s a v e s

t h e s e

t t i n g

s a n

d t a k e s y o u

t o t h e m e a s u r i n g s c r e e n

U s e

t h e a n

d

t o s e

l e c

t , n a v i g a

t e a n

d

a d j u s t s e

t t i n g s

Fig. 5.2 Menu Overview or Resistivity Measuring

M a

i n m e n u

f o r p o

t e n t i a

l m e a s u r e m e n

t


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5.4 Con guring the instrument or potential measurement(See Fig 5.1)

Display The values determine the grey scale values that will be used on the screen. The total rangepossible is between +200 and -950 mV. An optimal base setting is between -0 and -350 mV.

This range can be adjusted at any time later to make the display easier to read. It does not a ect any

measurements made, only how they are displayed.Object No. Set the name or the ile where the current measurement data will be stored.

i Note: Object No. 1 is a Demo-Object consisting o 6 pages o data, which can beedited. However, when the instrument is switched o and on, the original values willbe restored.

Language The language is valid or both potential and resistivity modes.

Electrodes Set Way Encoder to Yes or the wheel electrode and No or the Rod Electrode.Select the number o electrodes, typically 1 or the Rod Electrode and 1 or 4 or the wheel elec-trode.

The option Automatic Measuring is or the Rod Electrode only. The wheel electrode always measuresautomatically.

i Note: I automatic measuring is selected, then measured values o < -50mV will beacquired automatically once the value has stabilized. I automatic measuring is notselected then values have to be acquired by pressing the START button. In bothcases, values between +200 and -50mV have to be acquired by pressing the STARTbutton.

XY-Grid De ine the scale o the measurement grid.

i Note: The XY-Grid values can only be altered i a new Object has been de ined. Ian Object already contains measurements, then it is no longer possible to changethe grid.

i Note: X and Y must be equal i you wish to export the data to ProVista

Coarse Grid De ine how many times the coarse grid is larger than the XY-Grid already de ined.

Example: when distance between measurement points in the XY-Grid is set to 150 mm and thenumber o steps in the coarse grid is set to 5, the distance between measurement points in thecoarse grid is 5x 150 = 750mm. This is use ul or carrying out an initial sweep and switching to a ine

grid or detailed investigations. (See 4.2)

i Note: When the equipment is switched o , the coarse grid number o steps is resetto 1.

Data Output Used to clear the memory and re-open objects or display. Data trans er to a PC ishandled by CANIN ProVista (See 6.3).

Clear Memory erases all o the stored measurements or the active mode. It is not possible to deletesingle objects. Once this has been con irmed, it is not possible to undo the action. The objects orthe other mode are una ected.


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5.5 Con guring the instrument or electrical resisitivity measure-ment (See Fig 5.2)

Most o the screens are identical to the potential mode and have been explained there.

Device Constants Enter the 3-digit code engraved on the resistivity probe. (See 11.4)

Data Output Used to clear the memory and re-open objects or display as in 5.4. In this mode alsoused to export data to a PC. Select the Object you wish to export. Press the END button to openthe measuring screen where the main in ormation o this object will be displayed. Trans er the datato the PC using Hyperterminal as described in section 8.

6 CANIN ProVista So tware

The CANIN ProVista so tware enables the data trans er, the graphical presentation o the potentialields and a statistical analysis o the measurement data collected and stored on the Canin +. In addi-

tion, CANIN ProVista allows the automatic derivation o a chipping plot or concrete replacement.

These graphs can be inserted in an assessment report and serve the corrosion engineer together

with results o non-destructive and destructive tests like concrete cover depth, carbonation depth,chloride pro ile etc. as basis or interpretation o his results. The programme does not state the condition o the concrete structure, e.g. severity o corrosion othe rebars and it cannot propose the remedial actions. The engineer must be able to interpret allmeasured values in order to propose the necessary actions.

Additionally all graphics can be exported or editing in drawing programs and thereby inserted intoplans or the execution o repair measures.

6.1 Installing CANIN ProVista

Locate the ile CaninInstallerx.xx.zip ile on the USB provided. Unzip the ile and open the older

called Volume. Locate the ile setup.exe and click on it.Follow the instructions you see on the screen. This will install CANINProVista on your PC. It will also create a desktop icon or launching theprogram.

6.2 Starting CANIN ProVista

Either click on the desktop icon or click on the CaninProVista entry in theStart menu. Start Programs CaninProVista.


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The user can insert his owncompany logo by placing a bit-map ile with the name Logo.bmp in the Con iguration olderin the CaninProVista installationdirectory.

The size o the bitmap has to be210 x 50 pixels. From there itwill automatically be copied intothe graphs.

The Proceq logo is unchange-able.

Fig. 6.1: Canin ProVista Main Window

There are our sections. The top contains labelling in ormation including a user logo, the middle is thegraphical representation o the measurement, the bottom contains additional numerical in ormationregarding the measurement and the graph, and the right hand side contains the navigation pane.

6.3 Downloading and Saving Data

Connect the indicating device to your PC using the trans er cable (330 00 456) and the RS-232 USB adaptor (390 00 542). In order to download data, the Data Output submenu must be visible onthe indicating device. Select Menu Data Output (Fig 5.2) in the Canin + display device and pressSTART. Click on VistaTrans er button to start the download programme. A dialog box appears (see

Fig. 6.2).Select the respective COM port.

All the objects stored in the dis-play unit are listed in the ield onthe le t. By de ault, all objectsare selected or downloading,i.e. all the check boxes containa cross.

Especially I you are using a USBto Serial converter make sure

that a COM port rom COM1 toCOM4 is assigned. All higherCOM ports are not supported.

Fig. 6.2: VistaTrans er Window

I the object list is empty, please check the ollowing:

Whether the correct COM port is selected.

Whether the cable is properly connected.

Whether the Data Output submenu is visible on the indicating device.

Click the check boxes to select and de-select the individual list entries.

Use Browse to select the location you wish to store the data. Click the Save selected button tostart the downloading procedure. The PC downloads all the selected objects and stores them as ilesin the selected older. The ile names are identical to the object numbers and the ile type is PVO.


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6.4 Renaming Files

You can use Windows Explorer to rename stored iles. Any ile names can be used. The ile typemust always be PVO.

6.5 Opening and Editing Files

Click on the button Open File in the navigation pane and select the desired ile in the Window thatappears.

Files o type pvo or bin are the only iles that Canin ProVista recognizes.

I the ile is valid, the window in Fig. 6.3 appears asking you or the desired rotation/mirroring.It may be that the objects rom acomplete site were not all meas-ured in the same direction. (See4.9.3). ProVista allows this to becorrected. Select the correct ori-entation and press OK again to

display the measurement ile as apotential map in the main window(see Fig. 6.4). I the selected ile isinvalid or any reason a warningdialog box will pop up.

To be valid, the grid that is set inthe Canin + display device mustbe equal in x-and y-direction,e.g. 150x150mm or 305x305mm(1x1 t).

The Canin+

display device acceptsthe unit length [mm] only. CANINProVista can convert and displaythe scale o length in t.

Fig. 6.3: Orientation selection window

Fig. 6.4: Potential Map


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A title, short comment, the name o the operator and the date can be entered at the top o thescreen.

The scale represents the dimensions in either meters or eet. (See 6.6) The legend to the right showsthe colour coding o the measurement values (in millivolts) and the number o measurement pointsin each range. The three ields Xmax, Xmin, Ymin allow the user to zoom in on a particular area inthe graph.

The bottom section o the window shows the positions or cursors A and B and the mV value o theircurrent position. The grid direction values indicate the resolution o the measurement.

6.6 Con guration

Click on Con iguration to alter the appearance and the language o the potential map.

Fig. 6.5: Con guration Window

The number range to which the colours are assigned can be changed through varying the base valueand delta. The base value may not be any smaller than -999 and the combination o the base valuedelta may not lead to any colour representing anything above 1000 mV. By pressing De ault, thebase value and delta are changed to -400mV and 50mV respectively.

Le t clicking on a colour allows the colour or that particular range to be selected.

Warnings or overwriting and deleting values in a graph can be set.

Set imperial or metric units or the display with the drop down menu Unit length.

Diagram Orientation allows the origin o the graph to be changed.

Set the language o the program with the drop down menu.


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6.7 Insert le

Separately measured objects with the same grid resolution can be merged to orm a complete poten-tial map. Place one o the two cursors at the position in which the new ile is to be added. Press theInsert File button and select the ile you wish to add. I the ile is valid, the next screen (Fig. 6.6) willallow the ile to be correctly positioned.

The new ile may be rotated ormirrored to match its orientationto the current ile. The insertionpoint is de ined as either cursor

A or B and inally the insertiondirection is selected.

Press OK to return to theupdated potential map.

Fig. 6.6: Insert Window

Fig. 6.7: Potential Map be ore and a ter Insertion


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6.8 Edit

Individual values and sections o the potential graph may be edited.

Fig. 6.7: Edit graph screen

Use the A and B cursors to select the values to be edited. Press Edit. Four actions are available.

Delete the values lying in the area between cursors A and B.

Set the values lying in the area between A and B to a speci c value.

Delete the value to the bottom right o cursor A.

Set the value to the bottom right o cursor A to a speci c value.

6.9 Additional Functions

Save File to save your changes.

Print View prints the currently visible section o the potential map respectively chipping graph.

Print File prints the entire measurement le, even areas that are not visible in the current view

o the potential map/chipping graph, using as many pages as necessary.Get BMP creates a BMP image le o the current view o the potential map or chipping graph

which can be exported to third party so tware or reporting.General View resets the range o the potential map and chipping graph so that the entire graph

is visible again.Undo allows the last 10 edits and insertions to be undone.


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6.10 Relative requency With the relative requency unc-tion, a bar graph (as show in Fig.6.8) o the measurement data iscreated. The width o the barsrepresents the measurementrange while the height o thebar represents the relative re-quency o measurements pointswithin that range. The range othe graph can be changed byentering the desired minimumand maximum values in therespective ields on the x-axis.The limits are -1000 to +1000mV. The class width can also be

changed.

Fig. 6.8: Relative requency diagram

6.11 Cumulative requency

Fig. 6.9: Cumulative requency diagram

Following an evaluation (See 4.10), the corrosion engineer can place the 3 cursors in such a way thatthey represent areas o di erent corrosion degrees.

They determine the colour distribution in the chipping graph.

It is possible to overlay two or even all three cursors and thereby decrease the number o divisions.

The cumulative requency needs to be activated at least once or a newly opened ile in order to beable to view the chipping graph.

The range o the cumulative requency graph can be changed by entering the desired minimum andmaximum values in the respective ields on the x-axis. The limits are -1000 to +1000 mV. The classwidth can also be changed.


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6.12 Chipping graph

A ter having accessed the cumulative requency graph, the Potential Map button becomes active.By clicking on it, the visualization switches to the chipping graph (see Fig. 6.10).

The our colour regions o the chipping graph are based upon the three cursor positions in thecumulative requency graph.

These positions represent potential limits identi ied by the engineer as areas o equal condition wherethe concrete has to be chipped to a certain depth or repair purposes.

Fig. 6.10: Chipping graph

6.13 Annotations

In ormation about the concrete structure like measured chloride content, cracks or other de ectscan be placed directly in the potential map or the chipping graph. The in ormation will be printedand shown in bitmaps.

By de ault they are created with an arrow that can be moved to point at a speci ic spot in the graph. Annotations can be added by right clicking on the potential map or chipping graph and selecting

Create Annotation.

Fig. 6.11: Annotation window Fig. 6.12: Annotation Attributes

Right click on an annotation to select its attributes. I the Lock Name attribute is not selected, the

entire annotation (point, label and arrow) can be moved by le t clicking on the annotation and drag-ging it around. I the Lock Name attribute is selected, the name will stay ixed and only the annotationpoint with the arrow can be moved.


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iNote: Always deselect the Lock Name attribute once an attribute is placed at theproper position and be ore any print, BMP, or display change unctions are used(see Fig. 9.16).

iNote: A ter having added annotations (see section Annotations) to a graph, chang-ing the units length will cause the annotations to be misplaced. There ore, be oreadding annotations, ensure that the graph has the desired units.

Once you have added annotations, it is recommended that the ile is saved. The dimensions o thegraph or the colour scale can then be changed. When changes to the dimensions o the graph arerelatively large, it can occur that label location o the annotation will move. To restore the annotationscorrectly, the ile can be re-opened.

It is also not recommended that annotations within one ile be added at di erent dimension levels,i.e. zoom levels.

7 Measuring the electrical resistivity

Fig 7.1 Wenner our-point probe with cable and control plate

The our oam pads o the probe should be moistened with water. Connect the resistivity probe tothe INTERFACE RS 232 C o the indicating device and assure that the device is in resistivity mode.(See 5.3)

Check the con iguration o the instrument. (See 5.5)

i Note: The Wenner Probe constantly draws current. There ore it should only be con-nected to the Indicating Device when measurements are being carried out.

7.1 Preparing the concrete sur ace or measurement

The concrete sur ace must not be coated with any electrically insulating coating and it should be

clean. The rebar grid beneath the sur ace should be marked out with the help o a rebar locator(e.g. Pro ometer, Pro oscope). The desired measurement grid should be suitably marked out on thesur ace and mapped to objects.


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7.2 Reading the display screen

Object number

Mean value / measured values.

Minimum value / maximum value.

Table position: Value stored at that position.

Actual resistivity measurement: Proportion o current lowthrough the concrete relative to the nominal current.

The position in which a measured value can be stored in thetable can be selected with the cursor keys.

Fig 7.2 Resistivity measurement screen

7.3 Measuring with the Wenner Probe

In order to obtain a reliable reading, it is necessary to have a good electrical contact between theoam pads o the resistivity probe and the concrete sur ace.

As ar as possible, rein orcement bars should not be directly beneath the probe and should not runparallel to the probe. The recommended procedure is to measure diagonally to the rebars. (e.g RILEMTC154-EMC: ELECTROCHEMICAL TECHNIQUES FOR MEASURING METALLIC CORROSION rec-ommends making 5 readings rom the same location moving the probe a ew mm between eachmeasurement and taking a median rom the 5 values.).

The well-moistened probe should be pressed lightly against the sur ace o the concrete until thereading is stable.

The Current ield (See Fig 7.2) monitors the current low through the concrete. I there is a bad con-tact between the electrodes and the concrete or i the conductivity o the concrete is small, the lowo the current will be reduced. This gives an indication as to the reliability o the reading obtained.

50% to 100% The reading is reliable.

20% to 50% Value not exact will be displayed on the screen.

0% to 20% The resistance is >99k cm or the contact is very poor.

Once the reading is stable it can be saved by pressing the STORE button. It will be saved in a tablein the position indicated on the display (e.g G7 in Fig 7.2). The table has a maximum size o 16x16cells. The position in the table where the measurement is stored must be selected manually on thescreen (Fig 7.2).

Use the buttons to select a letter rom A to P.Use the buttons to select a number rom 1 to 16.

Fig 7.3 Table or resistivity measurements.


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Each time a new reading is stored, the statistical values (mean value, max and min values) are re-calculated and displayed.

An existing reading can be deleted by pressing the STORE button or two seconds.

An existing reading can be overwritten by selecting the corresponding position in the table andper orming a new measurement.

The table structure is maintained when the data is trans erred to the PC so that the user can generatea graphical representation in EXCEL.

i Note: As a general rule o thumb rom literature on this topic:When 12 k cm Corrosion is unlikely

When = 8 to 12 k cm Corrosion is possible

When 8 k cm Corrosion is airly certain

8. Trans er o Electrical Resisitivity Data to a PC (Win-

dows 2000 / XP / Vista)Windows HyperTerminal is used to trans er the resistivity data to a PC via the INTERFACE RS232Cport.

Preparing the Hardware

Connect the serial port o the PC with the trans er cable (part no. 330 00 456) to the RS232 port

o the indicating device. In case your PC hardware doesnt support serial ports you can use theUSB converter (part no. 390 00 542).

Preparing the PC for the Data Transfer

Create directory C:\PROCEQ

Windows 2000 / XP Start HyperTerminal via Menu:Start/Programs/Accessories/Communications/HyperTerminalI two items HyperTerminal are installed, start PC/phone Icon and choose Hypertrm.Go to SettingsWindows Vista Install HyperTerminal rom Internet:In case your operating system doesnt include a HyperTerminal application, you can downloadit rom www.hilgraeve.com and install it.Go to Settings

Settings

Do not install a Modem Cancel with No Enter PROCEQ and choose an Icon Con rm with OK Select line Connect using e.g. Com1 Con rm with OK Change the de ault data to:

Baud rate : 9600Data Bits : 8Parity : noneStop Bits : 1Flow control : Xon/Xo Con rm with OK

Check i you can not get line eeds:Open le/properties/settings/ASCII-setup und activate the checkboxAppend line eeds to incoming line ends. Con rm twice with OK

- Choose trans er/capture text in the menu and enter the complete path o the new lee.g. C:\PROCEQ\Data.txt in the dialog box. Con rm with Start


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Start of Transfer

Switch on the Indicating Device.

Press MENU and select Data Output

Select Data to PC as described in the operation instructions o the instrument.

Start by pressing the button START.

Data Storage in the PC

Choose in the menu Trans er/capture text/stop.

The data are stored in the ile Data.txt and are ready or urther processing.

Saving the HyperTerminal Settings

Choose File/Exit in the menu.

Answer the question You are currently connected, you want to disconnect now? with Yes.

Answer the question Do you want to save the connection named PROCEQ ? with Yes.

Display and Processing the Data

The text ile Data.txt in the older C:\PROCEQ can be displayed with any text editor or wordprocessing program. For editing and urther processing o the data we recommend MS Excel.

9 Technical Specifcations

GeneralTemperature range: 0 to 60CDisplay: 128 x 128 pixel graphic LCD with backlightImpedance: 10 M Memory: Non-volatile memory or simultaneous storage o up to 235000

potential measurements (980 pages @ 240 measurements eachorganised in up to 71 objects) and 5800 resistivity measurements (24object iles / tables @ 256 measurements each)

Data Output: RS 232 inter ace, with USB adapterBattery Operation: Six LR 6 batteries, 1.5V or up to:

- 60 hours (or 30 hours with activated backlight) during potentialmeasurement- 40 hours (or 20 hours with activated backlight) during resistivitymeasurement

Case Dimensions: 580x480x210 mm (22.8x18.9x8.3)Weight: Net. 10.6 kg (23.5 lbs); Shipping 14kg (31.1 lbs)

(with rod and 1-Wheel Electrodes as well as Wenner Probe)Potential MeasurementMeasurement range: 999 mVResolution: 1mVElectrodes: Rod Electrode (copper/copper sulphate)

1- and 4-Wheel electrode systems (copper/copper sulphate) withtelescopic handle, integrated path measurement and water reservoir

Data Trans er: CANIN ProVista so tware or downloading data and evaluation onPC

Resistivity MeasurementMeasurement range: 0 to 99 k cmResolution: 1 k cmResistivity probe: Resistivity probe with integrated electronics or measuring the spe-

ci ic resistivity using the our-point method.

Nominal current: 180A Frequency: 72 HzData Trans er: by Windows Hyperterminal or analysis with third party so tware (e.g.

EXCEL)


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9.1 Technical In ormation CANIN ProVista so tware

System requirements: Windows 2000, Windows XP, Windows Vista

9.2 Standards and Regulations Applied

BS 1881, Part 201 UK

UNI 10174 Italy

DGZ P B3 Germany

SIA 2006 Switzerland

RILEM TC 154-EMC International

ASTM C876-91 USA

10 Part Numbers and Accessories

10.1 Complete Units

Part No. Description330 00 201 Canin + Configuration with Rod Electrode

Basic equipment

Indicating device Canin +, carrying strap, protection sleeve or indicatingdevice, trans er cable, USB-serial adapter, operating instructions, carryingcase Canin +

Rod Electrode accessories

Rod Electrode with spare parts, electrode cable 1.5m (4.9 t.), cable coil 25m(82 t.), CANIN ProVista PC so tware on memory stick, bottle with copper sul-phate 250g,

330 00 205 Canin + Configuration with Rod and Wheel ElectrodesBasic equipment (see item 330 00 201)

Rod Electrode accessories (see item 330 00 201)

Wheel Electrode accessories

1-Wheel Electrode system, tool kit to wheel electrode system, bottle with citricacid 250g

330 00 203 Canin + with Wenner Probe Basic equipment (see item 330 00 201)

Wenner Probe accessories

Wenner resistance probe with spare rubber oam pads, cable to WennerProbe, control plate to Wenner Probe

330 00 206 Canin + Combined Configuration with Rod and Wheel Electrodes andWenner ProbeBasic equipment (see item 330 00 201)

Rod Electrode accessories (see item 330 00 201)

Wheel Electrode accessories (see item 330 00 205)

Wenner Probe accessories (see item 330 00 203)


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10.2 Accessories

330 00 259 Canin + Rod Electrode copper/copper sulphate330 00 322 Telescopic extension or Rod Electrode, with 3 m cable330 01 001 Canin + 1-Wheel Electrode330 01 004 Canin + 4-Wheel Electrode330 00 286 Cable coil, l=25 m (82 t), with clamp (Required or potential measurements)330 00 320 Felt hoop or Wheel Electrode Canin +380 02 520 Canin + Wenner Probe with cable380 04 250 Test block or resistance-probe330 01 224 O-Ring 120 X 5 mm330 00 285 Copper sulphate 250g330 00 290 Citric acid 250g330 00 470 Protective sleeve or display instrument330 01 225 Cable clip or telescopic extension380 02 508 S Foam pad to resistance probe, set o 4 pcs.

11 Maintenance and Support

11.1 Functional check o the electrodes

Correct unction can be checked by use o a re erence electrode.

Reference Electrode

Electrode cable

Display instrument

Wooden Plug

Cable roll

GND

Input A

Fig 11.1 Functional control set-up

Fig 11.1 shows a wheel electrode under control. The Rod Electrode is used as re erence electrodeand the potential o the two electrodes cancel each other out. For correct operation, the tolerancevalues indicated below should be observed.

Tolerance values:

Re erence electrode with Rod Electrode 0 5 mV

Re erence electrode with wheel electrode 0 + 20 mV

I the electrode is out o tolerance, clean it as described below and redo the unctional test.


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11.2 Maintenance o the Rod Electrode

Unscrew the two red caps, wash with water and care ully clean the inner side o the tube.

Clean the copper rod using emery cloth.

Re ll the electrode with copper sulphate (See section 3.1)

Caution! When handling copper sulphate be care ul to take note o the sa etyinstructions on the packaging.

11.3 Maintenance o the Wheel Electrode

Remove the elt hoops and wash in lukewarm water.

Remove the plastic lling screw and pour the copper sulphate solution into a container. (This can

be reused.)Flush out several times with water.

Dissolve 1 part citric acid in 10 parts hot water and hal ll the wheel. Replace the lling screw.

Leave or 6 hours, shaking occasionally.

Pour out the citric acid solution (no special disposal procedure is required) and fush out several

times with water.Re ll the electrode with copper sulphate solution. (See 3.1)

Replace the elt hoops. The elt hoop connector must be in place between the dampening nozzle

and the wooden plug o the wheel electrode.When not in use, store the wheel electrode with the wooden plug acing upwards.

11.4 Functional check o the resistivity probe

See section 5.5. Assure that the Device Constant shown on the Indicating Device corresponds tothe code engraved on the probe.

Moisten the 4 oam rubber pads with water.

Connect the probe with the RS232 inter ace o the indicating device.Power on. I necessary switch to Wenner mode. (See 5.3).

Place the 4 oam pads on the 4 spots o the test plate.

In the actual window the reading (e.g. = 12 1 k cm.) appears. The value should be accord-ing to the one mentioned on the test plate.

I the value is outside o the tolerance, the instrument should be returned to Proceq or re-calibra-tion.

11.5 Support Concept

Proceq is committed to providing a complete support service or this instrument by means o our

global service and support acilities. It is recommended that the user register the product on www.proceq.com to obtain the latest on available updates and other valuable in ormation.

11.6 Standard Warranty and Extended Warranty

The standard warranty covers the electronic portion o the instrument or 24 months and themechanical portion o the instrument or 6 months.

An extended warranty or one, two or three years or the electronic portion o the instrument may bepurchased up to 90 days o date o purchase.


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Documents

CANIN+ User Manual E 200901 l