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XP26PC – Part 1O
pera
ting
Inst
ruct
ions Excellence Plus Micro Balances
Table of Contents
Introduction1 5
Symbols and presentations used1.1 6
Safety Information2 7
Definition of signal warnings and symbols2.1 7Product specific safety notes2.2 7
Overview of the XP26PC3 9
Installation and Putting into Operation4 11
Unpacking4.1 11Scope of delivery4.2 12Location4.3 13Assembling the balance4.4 14Installation of the terminal and setting the reading angle4.5 16Installation of the terminal4.5.1 16Setting the reading angle4.5.2 17Connecting the balance4.6 17Transporting the balance4.7 18Transporting over short distances4.7.1 18Transporting over long distances4.7.2 19
First Steps5 20
Switching on / off5.1 20Leveling the balance5.2 20
Applications for Pipette Calibration6 22
Operating philosopy and settings6.1 22Suitable applications for pipette calibration6.2 22Selecting the application6.3 22Setting for the light barrier6.4 22XP26PC and Calibry6.5 23Connection to the host computer6.5.1 23PC software6.5.2 24Communication settings6.5.3 24Settings for the automated trap door function6.5.4 24
Calibrating Pipettes7 25
Fill water container 7.1 25Perform the calibration7.2 25
Maintenance8 26
Cleaning8.1 26Cleaning after overflow8.1.1 26Emptying the pipetting container8.1.2 26Adjusting the balance8.2 27Verification of the balance adjustment8.2.1 27Routine tests8.2.2 27Disposal8.3 28
Table of Contents 3
Technical Data9 29
General data9.1 29Explanatory notes for the METTLER TOLEDO AC adapter9.2 29Model-specific data9.3 30Dimensions9.4 32Interfaces9.5 33Specifications of RS232C9.5.1 33Specifications of "Aux" connection9.5.2 33
Accessories and Spare Parts10 34
Accessories10.1 34Spare parts10.2 41
Appendix11 43
MT-SICS interface commands and functions11.1 43
Index 44
Table of Contents4
1 IntroductionThank you for choosing a METTLER TOLEDO balance.
The XP26PC allows the precise determination of the volume for the calibration of 1-channel pipettes. It alsoprovides you with a large part of the functionality of the firmware of the XP balances.
In this chapter you will be given basic information about your balance. Please read right through this chaptercarefully even if you already have experience with METTLER TOLEDO balances. Please pay special attention tothe safety warnings!
The XP26PC balance provides the following features:
Draft shield with motorized drive and light barrier.
Fully automatic adjustment "ProFACT" using internal weights.
Built-in level sensor, illuminated level indicator and Leveling Assistant for fast and easy leveling.
Integral RS232C interface.
Slot for second interface (optional).
Touch-sensitive graphics terminal ("Touch screen") with color display.
Two programmable sensors for hands-off operation ("SmartSens") to speed up frequently recurring tasks.
A brief word about standards, guidelines, and methods of quality assurance: The balances comply with usualstandards and guidelines. They support standard procedures, specifications, working methods, and reportsaccording to GLP (Good Laboratory Practice). The balances conform to the applicable standards and guidelines and possess a EC declaration of conformity. METTLER TOLEDO is certified as manufacturer according toISO 9001 and ISO 14001.
The operating instructions for the XP balances consist of 3 separate documents, whose contents are listedbelow.
Part 1, this documentContents
Introduction Safety Information Installation and Putting into Operation Leveling the Balance Specific Settings for Calibrating Pipettes The Procedure for Calibrating Pipettes Cleaning and Maintenance Accessories Spare Parts Technical Data Interface Commands and MT-SICS Functions
Part 2, separate documentContents: Terminal, System, and Applications
Basic Principles for Using the Terminal and the Firmware System Settings User-specific Settings Applications Firmware (Software) Updates Error and Status Messages
5Introduction
6 Introduction
Conversion Table for Weight Units Recommended Printer Settings
Part 3, separate documentContents: Adjustments, and Tests
Adjustments Tests
Finding more information
u www.mt.com/excellence
Firmware versionThe operating instructions are based on the initially installed terminal firmware (software) version V 4.00.
1.1 Symbols and presentations usedThe following conventions apply to the operating instructions: part 1, part 2 and part 3.
Key designations are indicated by a picture or text in double angular parentheses (e.g. « » or «On/Off»).
This symbol indicates press key briefly (less than 1.5 s).
This symbol indicates press and hold key down (longer than 1.5 s).
These symbols indicate an instruction:prerequisites
1
2 …
steps
results
2 Safety Information
2.1 Definition of signal warnings and symbolsSafety notes are indicated by signal words and warning symbols and contain warnings and information aboutsafety issues. Ignoring safety notes can lead to personal injury, damage to the instrument, malfunctions anderroneous results.
Signal words
WARNING for a hazardous situation with medium risk, possibly resulting in severeinjuries or death if not avoided.
CAUTION for a hazardous situation with low risk, resulting in damage to the device orthe property or in loss of data or minor or medium injuries if not avoided.
Attention (no symbol)for important information about the product.
Note (no symbol)for useful information about the product.
Warning symbols
General hazard Electrical shock
2.2 Product specific safety notes
Intended useYour balance is used for weighing. Use the balance exclusively for this purpose. Any other type of use andoperation beyond the limits of technical specifications without written consent from Mettler-Toledo AG, is considered as not intended.
It is not permitted to use the instrument in explosive atmosphere of gases, steam, fog, dustand flammable dust (hazardous environments).
General safety informationYour instrument meets the state of the art technology and complies with all recognized safety rules, however,certain hazards may arise in extraneous circumstances. Do not open the housing of the instrument: It does notcontain any parts which can be maintained, repaired or replaced by the user. If you ever have problems withyour instrument, contact your authorized METTLER TOLEDO dealer or service representative.
Always operate and use your balance only in accordance with the operating instructions part 1, part 2 andpart 3.
The instructions for setting up your new balance must be strictly observed.
If the instrument is not used according to the manufacturer’s operating instructions (part 1, part 2 andpart 3), protection of the instrument may be impaired.
Staff safetyIn order to use the instrument, you must have read and understood the operating instructions. Keep the operating instructions for further reference.
Never make any modifications to the instrument and use only original spare parts and optional equipment fromMETTLER TOLEDO.
7Safety Information
8 Safety Information
Safety notes WARNING
Risk of electric shock
Use only the original universal AC adapter delivered with your balance, and check that thevoltage printed on it is the same as your local power supply voltage. Only plug the adapterinto a socket which is grounded.
CAUTION
Damage to the balance
a) Only use indoors in dry locations.
b) Do not use pointed objects to operate the keyboard!The balance is of a very sturdy design, but is still a precision instrument. It must be handled with care.
c) Do not open the balance:The balance contains no user-serviceable parts. In the event of problems, please contacta METTLER TOLEDO representative.
d) Only use METTLER TOLEDO original accessories and peripheral devices for the balance.These are specifically designed for the balance.
3 Overview of the XP26PC1 Terminal (details see Operating Instructions –
Part 2) 2 Draft shield3 Light barrier4 Automated trap door5 Weighing platform6 Type plate7 Handle for transport8 Level indicator / Level sensor9 Foot screw10 AC adapter with power cable for balance
11 Aux 1 connection (e.g. for light barrier)12 Aux 2 connection (e.g. for light barrier)13 RS232C serial interface14 Slot for second interface (optional)15 Socket for AC adapter
16 Suction pump17 AC adapter for suction pump
9Overview of the XP26PC
10 Overview of the XP26PC
18 Calibration kit (plastic case with 2 weighing pansfor external adjustment/test weights, cover withadapter for large weight, tweezers, instructionleaflet)
4 Installation and Putting into OperationThis chapter explains how to unpack your new balance, and how to set it up and prepare it for operation. Whenyou have carried out the steps described in this chapter, your balance is ready for operation.
4.1 Unpacking1 Open the outer packaging box.
2 Remove it from the packaging the Unpacking and packing instructions.
3 Lift the cardboard box (1) out of the packaging.
Overview
1 Cardboard box with 2 sets (see next picture)2 Top packing cushion3 Inner padding4 Balance5 Lifting strap6 Terminal
NoteThe terminal is connected to the balance by a cable!
7 Bottom packing cushion
1
2
3
45
6
7
– Take out the Operating Instructions and other documents (8) thatexplain the further procedure for unpacking and assembling yourbalance.The box also contains all accessories required for the balance.
8
Use the lifting strap to lift the balance out of the packaging carton.
1 Unfasten lifting strap (5).
2 Remove top packing cushion (2).5
2
11Installation and Putting into Operation
12 Installation and Putting into Operation
– Pull the inner padding (3) straight upward.
3
– Carefully pull the terminal out of the bottom packing cushion andremove the protective cover.
NoteThe terminal is connected to the balance by a cable, so only pull theterminal just far enough out of the packing cushion to remove the protective cover.
1 Place the terminal on the front of the balance.
2 Hold the balance by the guide or handle, hold the terminal firmlywith your other hand, and pull the balance and terminal togetherout of the bottom packing cushion.
1 Place the balance with the terminal in the place where the balance will be used for weighing.
2 Remove the cover from the balance.
NotePlease keep all parts of the packaging. This packaging guarantees best possible protection of your balance fortransportation.
See also
Transporting the balance (page 18)
4.2 Scope of deliveryThe standard scope of delivery contains the following items:
Balance with terminal• RS232C interface• Slot for second interface (optional)• Feedthrough for antitheft device
Protective cover for the terminal
AC adapter with country-specific power cable
Terminal support
Draft shield
Glass cover
Centering ring
Water container
Automated trap door
Hanger
Pipetting container
Drip tray
Light barrier with connecting cable
Knurled screw
Cable holder
Suction pump incl. AC adapter
Cleaning brush
Calibration kit (plastic case with 2 weighing pans for external adjustment/test weights, cover with adapterfor large weight, tweezers)
Production certificate
CE declaration of conformity
Operating instructions part 1 (this document), part 2 and part 3
4.3 LocationAn optimal location will ensure accurate and reliable operation of the balance. The surface must be able tosafely take the weight of the balance when fully loaded. The following local conditions must be observed:
NoteIf the balance is not horizontal at the outset, it must be leveled during commissioning.
The balance must only be used indoors and up to a maximum altitude of 4,000 m above sea level.
Before switching on the balance, wait until all parts are atroom temperature (+5 to 40°C).The humidity must be between 10% and 80% non-condensing.
The power plug must be accessible at all times. Firm, horizontal and vibration-free location. Avoid direct sunlight. No excessive temperature fluctuations. No strong drafts.
Further information can by found in Weighing the Right Way.
13Installation and Putting into Operation
14 Installation and Putting into Operation
4.4 Assembling the balance
– Insert the drip tray in the opening provided in the bottom plate.
– Turn the holding plate 90° to the left or right into the open position.
– Insert the hanger.
– Turn the holding plate 90° to the left or right into the closed position.
The holding plate prevents the hanger from becomingunhooked.
– Place the pipetting container on the hanger.
– Place the draft shield on the column of the balance and press itfirmly down onto the positioning pin.
– Insert the water container into the draft shield.
– Place the centering ring into position.
– Place the glass cover into position.
– Hang the automated trap door on the rods.
15Installation and Putting into Operation
16 Installation and Putting into Operation
1 Lay the cover plate of the light barrier cable against the side wall ofthe balance.
2 Push it toward the front into the openings provided in the balancehousing.NoteThe light barrier can optionally be installed on the left or right sideof the balance.
3 Insert the connecting cable of the light barrier into the back of thecover plate and plug into the "Aux 1" or "Aux 2" connector on theback of the balance.
4 The selected connector must subsequently be specially configuredfor the light barrier. See Setting for the light barrier (page 22).
– Place the light barrier on the draft shield and fasten it with theknurled screw.
– Insert the cable holder into the balance housing.
4.5 Installation of the terminal and setting the reading angle
4.5.1 Installation of the terminal
1 Insert the terminal support.
2 First lay the cable in the guide by the terminal support.
3 Insert the terminal support into the balance.
The terminal support must engage with a click.
1 Mount the terminal.
2 Place the terminal in the center of the support.
3 Push it against the balance until it swivels slightly down at the frontby the terminal support.
You can push the cable into the balance.
AttentionThe balance and the terminal are not fastened together by the terminal support! When transporting by hand,always hold the balance and the terminal firmly.
See Transporting the balance (page 18).
NoteYou can also place the terminal free of the terminal support anywhere around the balance where the length ofthe cable allows.
4.5.2 Setting the reading angle
1 Press in the two buttons (1) on the back of the terminal.
The top of the terminal can then be pulled up or pushed downuntil it engages in the desired position. A total of 3 setting positions are available.
2 Move it in an appropriate position. 1 1
4.6 Connecting the balance
WARNING
Risk of electric shock
a) To connect the balance, only use the supplied three-core power cord with equipmentgrounding conductor.
b) Only connect the balance to a three-pin power socket with earthing contact.
c) Only standardized extension cable with equipment grounding conductor must be used foroperation of the balance.
d) Intentional disconnection of the equipment grounding conductor is forbidden.
The balance is supplied with an AC adapter and country-specific power cable. The AC adapter is suitable foruse with the following voltage range:
100 – 240 V AC, 50/60 Hz.
Attention Check whether your local power supply falls within this range. If this is not the case, under no circum
stances connect the AC adapter to the power supply, but contact a METTLER TOLEDO representative. The power plug must be accessible at all times. Prior to use, check the power cord for damage. Route the cable in such a way that it cannot be damaged or cause a hindrance when working. Ensure that no liquid comes into contact with the AC adapter.
17Installation and Putting into Operation
18 Installation and Putting into Operation
Balance and terminal are at the final location.
1 Connect the AC adapter (1) to the connection socket (2) at the rearof the balance.
2 Connect the AC adapter (1) to the power supply.
The balance performs a self-test after connection to the power supply and is then ready to use.
NoteIf the display field remains dark, even though the power supply connection functions.
1 First disconnect the balance from the power supply.
2 Open the terminal.
3 Press both buttons (3) on the back of the terminal and open theupper part of the terminal.
4 Check that the plug for the terminal cable (4) is connected correctlyinside the terminal.
33
4
4.7 Transporting the balance1 Switch off the balance.
2 The balance must be disconnected from the power supply.
3 Remove any interface cable from the balance.
4.7.1 Transporting over short distances
If you wish to move your balance over a short distance to a new location, proceed as follows.
CAUTION
Damage of device
Never lift the balance by the cooling element, as this can cause damage!
1 With one hand, hold the balance by the guide for the top door ofthe draft shield.
2 With your other hand, hold the terminal. The terminal is not rigidlyfastened to the balance, so you must always hold the balance withone hand and the terminal with the other.
3 Carefully lift the balance and carry it to its new location. See Location (page 13).
METTLER TOLEDO
F
F
4.7.2 Transporting over long distances
If you want to transport or ship your balance over long distances, or if it is not certain that the balance will betransported upright, use the complete original packaging.
1 Remove all parts in reverse order to installation.See Assembling the balance (page 14).
2 Package the parts in their original packaging.
19Installation and Putting into Operation
20 Installation and Putting into Operation
5 First Steps
5.1 Switching on / off
Switching on
– Press «On/Off».
The display appears.
OnOff
NoteIf the balance has not been set up exactly horizontally, a warning text will appear shortly after the balance isturned on, prompting you to level the balance.
Switching off
– Press «On/Off» until "Off" appears in the display.
NoteDo not disconnect the balance from the power supply except if you willnot be using the balance for an extended period.
OnOff
5.2 Leveling the balance
Your balance has a built-in levelcontrol, that constantly checks the correct horizontal alignment.
When the levelcontrol detects that the level is incorrect, a warning willappear and a warning beep will sound. A status icon will also appearin the upper right-hand corner of the display.
1 To start the Leveling Assistent, tap «Info».
The Leveling Assistant will guide you step by step through theleveling process.
2 Watch the levelcontrol located of your balance and press theappropriate button of the current position.
The Leveling Assistant will show you with red arrows in whichdirection you need to turn the two footscrews on the back of thebalance.
3 Screw the footscrew until the air bubble is in the inner circle.
4 Tap «Exit».
A message appears that advises you to adjust the balance.
5 Confirm with «OK».
Status icon will no longer appear and balance returns to normaloperation.
21First Steps
22 First Steps
6 Applications for Pipette Calibration
6.1 Operating philosopy and settingsBefore you start work with your XP26PC, you should therefore familiarize yourself with the operating philosophyand settings of this balance. You will find this information in the Operating Instructions – Part 2 and Part 3.
6.2 Suitable applications for pipette calibrationThe XP26PC offers all the applications of the XP balances. However, of those applications, only the followingapplications are suitable for calibrating pipettes:
Weighing Statistics Percent weighing (in exceptional cases)
You will find information about these applications in the Operating Instructions – Part 2. Please read therespective chapter and familiarize yourself with the settings and how to work with the applications.
6.3 Selecting the application
1 Press « ».
2 To select the symbol for the desired application.
NoteFor greater clarity, you can switch off the applications you don’t need.See Operating Instructions – Part 2.
6.4 Setting for the light barrierThe light barrier of your XP26PC automatically opens and closes the automated trap door of the draft shieldwhen you pass the pipette through the light barrier. This saves you having to close the trap door manually withthe « » key. From the point of view of the XP26PC, the light barrier is an "ErgoSens" and must therfore be configured as follows:
1 Press « ».
Window Setup opens.
2 Localize the settings for Smart & ErgoSens.At the factory settings, both SmartSens sensors are configured fordoor opening.
3 Switch both SmartSens off (or assign to them any function exceptdoor opening).At the factory, both ErgoSens are switched off.
4 On the ErgoSens to which the light barrier is connected ("Aux 1" or"Aux 2"), activate the function for opening the door.ExampleErgoSens 1 (Aux1) > «Door»
The light barrier is now active.
NoteIf you are working with the METTLER TOLEDO Calibry PC software, adifferent setting must be used.See Settings for the automated trap door function (page 24).
6.5 XP26PC and CalibryMETTLER TOLEDO Calibry is a PC software for calibrating single- and multi-channel pipettes. When Calibry isstarted, it recognizes your XP26PC balance and automatically makes the required settings.ExceptSetting for the door function described in Settings for the automated trap door function (page 24).
Calibry controls and records all calibration operations, calculates statistical values, and generates calibrationrecords. Calibry contains a database with a large number of pipette types available on the market and allowsthe definition of various methods of calibration for them. Calibry also monitors the dates for subsequent calibrations.
Please request Calibry documentation from METTLER TOLEDO.
6.5.1 Connection to the host computer
The XP26PC is connected via the built-in RS232C interface to the host computer. If the host computer has anRS232C interface, an RS interface cable (RS9 – RS9 cable) can be used. Alternatively, the XP26PC can also beconnected via a USB-RS232 adapter cable (USB serial converter) to a USB interface of the host computer. Bothcables are available as options. If several balances are connected to one host computer, each balance is connected with a USB-RS232 adapter cable to a USB hub. The various different ways of connecting with USB areexplained.See Accessories (page 34).
System comprising one single XP26PC balance
1 Connect the 9-pin plug of the USB–RS232 adapter cableto the RS232C socket on the back of the XP26PC.
2 Connect the USB plug of the adapter cable to a free USBinterface on your PC.
XP26PC PC
USB/Serial
Converter
USB Cable
RS232C 9-pUSB
23Applications for Pipette Calibration
24 Applications for Pipette Calibration
System comprising multiple balances
1 Connect the RS232C socket on the back of each balance to the 9-pin plug of a USB–RS232 adapter cable.
2 Connect the USB plug of each adapter cable to the USBhub.
3 Connect the hub to a free USB interface of your PC.
XP26PC 1 PC
US
B C
ab
le
RS232C 9-pUSB
USB Hub USB Cable
USB/Serial
Converter
Balance n
RS232C 9-p
USB/Serial
Converter
USB Cable
6.5.2 PC software
The Calibry software that is optionally available from METTLER TOLEDO can be used on your PC. Alternatively,the XP26PC balance can also be integrated into an in-house application that already exists or that will be specially created.See Accessories (page 34).
The main functions of the PC software are as follows:
Configuration of the XP26PC balances that are connected. Differentiating between data and control commands. Assigning COM ports to individual measurement operations and canceling the assignment when the mea
surement is complete. Monitoring the number of completed and still ongoing pipettings. Saving and analyzing measurement data.
6.5.3 Communication settings
1 For fault-free communication with the PC software, the RS232C interface of the XP26PC must be set toHost.
2 The interface parameters of the balance and PC must be identical (baud rate, bits/parity, etc.).See Operating Instructions – Part 2.NoteThe factory settings for the interface parameters of the XP26PC balance and the Calibry software are identical.
If the XP26PC and Calibry are operated with the factory settings for the interface, there is no need to makeany settings.
6.5.4 Settings for the automated trap door function
Calibry controls the automated trap door of the XP26PC balance depending on the measurement values that itreceives. For it to function, a special setting must be made both on the balance and in Calibry.
For more details refer to the Calibry Operating Instructions.
7 Calibrating PipettesIt is assumed that the balance is switched on and that you have already made the settings according tochapter Selecting the application (page 22) and Setting for the light barrier (page 22).
– After you have switched on the balance, wait at least 2 hours before you start work.
This allows the balance to adapt to the ambient conditions.
7.1 Fill water container The draft shield with glass cover and the water container serve as an evaporation trap. Inside the evaporationtrap, there is a virtually saturated atmosphere that prevents evaporation of water from the pipetting containerand consequent distortion of the measurement results.
1 Remove the automated trap door and the glass cover.
2 Check the level of liquid in the water container.The container should be at least half full.
3 If the water level is too low, add distilled water.AttentionDo not overfill the container!
4 Replace the glass cover and mount the automated trap door.
ImportantWait at least 2 hours before the next calibration, so that the temperature and humidity in the measuring chamber are correct.
7.2 Perform the calibration
1 Press the «G» key to set the balance to zero.For pipettes with variable volume:
2 On the pipette, set the volume for the first measurement operation(e.g. 10% of the nominal volume).Comply with any additional instructions for preparing the pipette(e.g. according to ISO 8655).
3 With the pipette, suck the set volume out of the water bath.
4 Pass the tip of the pipette through the light barrier to open the automated trap door.
5 Empty the pipette into the pipetting container.Comply with all rules for correct pipetting (e.g. ISO 8655).
6 Pass the pipette back through the light barrier to close the automated trap door.
When the measurement result becomes stable (the circle of thestability detector left of the results disappears) you can read theresult.
If a PC is connected, you can transmit the result to the hostcomputer by pressing the « » key or the [Transfer Key] function key.See Operating Instructions – Part 2.
If you are working with the METTLER TOLEDO Calibry software,the result is automatically transmitted to the host computer.See XP26PC and Calibry (page 23).
7 Before you perform the next pipetting, press the «G» key againto reset the display to zero.
25Calibrating Pipettes
26 Calibrating Pipettes
8 Maintenance
8.1 CleaningPeriodically clean the weighing chamber, the housing, and the terminal of your balance using the brush supplied with it. The maintenance interval depends on your standard operating procedure (SOP).
Please observe the following notes
WARNING
Risk of electric shock
a) Disconnect the balance from the power supply prior to cleaning and maintenance.
b) Only use METTLER TOLEDO power cable, if these need to be replaced.
c) Ensure that no liquid comes into contact with the balance, terminal or AC adapter.
d) Do not open the balance, terminal or AC adapter.These contain no user-serviceable parts.
CAUTION
Damage of balance
On no account use cleaning agents which contain solvents or abrasive ingredients, as thiscan result in damage to the terminal overlay.
Cleaning
Your balance is made from high quality, resistant materials and can therefore be cleaned with a commerciallyavailable, mild cleaning agent.
NotePlease contact your METTLER TOLEDO dealer for details of the available service options. Regular servicing byan authorized service engineer ensures constant accuracy for years to come and prolongs the service life ofyour balance.
8.1.1 Cleaning after overflow
If you overfill the pipetting container, or if water runs out next to the filling hole, a water film forms between theglass tube and the centering ring. This water film has a suction effect that can cause the liquid not to go into thepipetting container but instead to be sucked outside. Because of this, the measurement result may neverbecome stable. Therefore, if such a water film forms, it must be removed immediately.
1 Close and remove the automated trap door.
2 Remove the glass cover.
3 Remove the centering ring and dry it.
4 Use an absorbent cloth to remove the water from the top part of thepipetting container.
5 If the water film was formed because the pipetting container is full,the container must be emptied.See Emptying the pipetting container (page 26).
8.1.2 Emptying the pipetting container
If the pipetting container is full, the container must be emptied with the suction pump that was delivered with thebalance.
CAUTION
Damage of pump
Do not run the pump for too long after it is empty; it may damage the pump!
1 Open or remove the automated trap door.
2 Connect the suction pump to the power supply via the AC adapter.
3 Connect the suction tube (with the probe) to the input side ("IN") ofthe pump.
4 Connect the second pipe to the output side ("OUT") of the pumpand place the free end of the pipe in a suitable drainage container.
5 Carefully introduce the suction probe into the pipetting container.
6 Switch the pump on by pressing the button and drain the pipettingcontainer.
This should only take a few seconds.
8.2 Adjusting the balanceTo ensure precise measurement results, the balance must be regularly adjusted. The XP26PC provides variouspossibilities for performing the adjustment either automatically or manually. You will find corresponding information in the Operating Instructions – Part 3.
The supplied calibration kit contains all parts required for adjusting the balance and checking this adjustmentwith an external weight, with the exception of adjustment and test weights, which are available as accessories"CarePac".See Accessories (page 34).
Different parts must be installed depending on whether you are working with the small (1 g) or large (20 g)weight. Please observe the instructions included in the calibration kit.
How to perform the adjustment is described in the Operating Instructions – Part 3.
8.2.1 Verification of the balance adjustment
After a certain period of time (depending to customer’s particular requirements) the internal adjustment of thebalance should be verified with an external weight using the calibration kit. The verification interval to bedefined by the customer is meant to limit possible information campaigns or recall actions that may be mandatory in case of measurement errors.
Maximum admissible adjustment tolerances of the XP26PC for pipette calibration according to ISO 8655:
Application tolerances measured with 1g E2Tolerance for 0.03 % (alert limit) 0.500 mgTolerance for 0.10 % (action limit) 1.500 mg
The adjustment tolerance values mentioned above ensure that all pipette calibrations meet the ISO 8655requirements even in case the tolerances specified by the pipette manufacturer are up to five times more restrictive.
How to perform the verification is described in the Operating Instructions – Part 3.
8.2.2 Routine tests
In order to test the balance in accordance with GWP® (Good Weighing Practice™) routine tests must also beperformed periodically to check repeatability and sensitivity. Standardized work instructions (SOP – StandardOperating Procedure), which can be downloaded from the METTLER TOLEDO website, are available for bothtests.
27Maintenance
28 Maintenance
8.3 Disposal
In conformance with the European Directive 2002/96/EC on Waste Electrical and ElectronicEquipment (WEEE) this device may not be disposed of in domestic waste. This also appliesto countries outside the EU, per their specific requirements.
Please dispose of this product in accordance with local regulations at the collecting pointspecified for electrical and electronic equipment. If you have any questions, please contactthe responsible authority or the distributor from which you purchased this device. Should thisdevice be passed on to other parties (for private or professional use), the content of this regulation must also be related.
Thank you for your contribution to environmental protection.
9 Technical Data
9.1 General data
CAUTION
Use only with a tested AC Adapter with SELV output current.Ensure correct polarity
Power supplyAC adapter: Primary: 100 – 240 V AC, -15%/+10%, 50/60 Hz
Secondary: 12 V DC ±3%, 2.5 A (with electronic overload protection)
Cable for AC adapter: 3-core, with country-specific plugBalance power supply: 12 V DC ±3%, 2.25 A, maximum ripple: 80 mVpp
Protection and standardsOvervoltage category: IIDegree of pollution: 2Standards for safety and EMC: See Declaration of ConformityRange of application: For use only in closed interior rooms
Environmental conditionsHeight above mean sea level: Up to 4000 mAmbient temperature: 5–40 °CRelative air humidity: Max. 80% up to 31 °C, linearly decreasing to 50% at 40 °C,
noncondensingWarm-up time: At least 180 minutes after connecting the balance to the power
supply; when switched on from standby-mode, the balance isready for operation immediately
MaterialsHousing: Die-cast aluminum, plastic, chrome steel and glassTerminal: Die-cast zinc, chromed and plastics
9.2 Explanatory notes for the METTLER TOLEDO AC adapterThe certified external power supply which conforms to the requirements for Class II double insulated equipmentis not provided with a protective earth connection but with a functional earth connection for EMC purposes. Thisearth connection IS NOT a safety feature. Further information about conformance of our products can be foundin the brochure "Declaration of Conformity" which is coming with each product.
In case of testing with regard to the European Directive 2001/95/EC the power supply and the balance have tobe handled as Class II double insulated equipment.
Consequently an earth bonding test is not required. Similarly it is not necessary to carry out an earth bondingtest between the supply earth conductor and any exposed metalwork on the balance.
Because the balance are sensitive to static charges a leakage resistor, typically 10 kΩ, is connected betweenthe earth connector and the power supply output terminals. The arrangement is shown in the equivalent circuitdiagram. This resistor is not part of the electrical safety arrangement and does not require testing at regularintervals.
29Technical Data
30 Technical Data
10 kΩ coupling resistor for
electrostatic discharge
Input 100…240 VAC Output 12 VDC
Double Insulation
Plastic Housing
P
N
E
AC
DC
Equivalent circuit diagram
9.3 Model-specific dataXP26PC
Limit valuesMaximum capacity 22 gReadability 0.001 mgTare range (from…to) 0 … 22 gRepeatability (at nominal load) sd 0.0025 mg (20 g)Repeatability (at low load) sd 0.0015 mg (1 g)Linearity deviation 0.01 mgEccentricity deviation (test load) 1) 0.025 mg (10 g)Sensitivity offset (test weight) 0.08 mg (20 g)Sensitivity temperature drift 2) 0.0001%/°CSensitivity stability 0.0001%/aTypical valuesRepeatability (at low load) sd 0.0007 mgLinearity deviation 0.0048 mgEccentric deviation (test load) 1) 0.008 mg (10 g)Sensitivity offset (test weight) 0.04 mg (20 g)Minimum weight (according to USP) 1.4 mgMinimum weight (U=1%, k=2) 0.14 mgSettling time 3.5 sDimensionsBalance dimensions (W × D × H) 263 × 487 × 322 mmTypical uncertainties and supplementary dataRepeatability sd 0.0007 mg + 0.000004%·RgrDifferential linearity deviation sd √(0.3pg·Rnt)Differential eccentric load deviation sd 0.00004%·RntSensitivity offset sd 0.0001%·RntMinimum weight (according to USP) 1.4 mg + 0.008%·RgrMinimum weight (U=1%, k=2) 0.14mg + 0.0008%·RgrWeighing time 18 sInterface update rate 23 /sWeight of balance 11.5 kgNumber of built-in reference weights 2Weights for routine testingOIML CarePac
Weights
20 g F1, 1 g E2
#11123006
ASTM CarePac
Weights
20 g 1, 1 g 1
#11123106
sd = Standard deviation Rnt = Net weight (sample weight)
Rgr = Gross weight a = Year (annum)
1) Valid for compact objects 2) After adjustment with built-in reference weight
31Technical Data
32 Technical Data
9.4 DimensionsDimensions in mm.
19
55
8
11
8
15
3
15
0
252181
487 27
29
5
26
3
18
0
ø4.4
133
154
156
ø4.4
9.6
53
30
81
9.5 Interfaces
9.5.1 Specifications of RS232CInterface type: Voltage interface according to EIA RS-232C/DIN 66020 (CCITT V24/V.28)Max. cable length: 15 mSignal level: Outputs:
+5 V ... +15 V (RL = 3 – 7 kΩ)
–5 V ... –15 V (RL = 3 – 7 kΩ)
Inputs:
+3 V ... 25 V
–3 V ... 25 V
Connector: Sub-D, 9-pole, femaleOperating mode: Full duplexTransmission mode: Bit-serial, asynchronousTransmission code: ASCIIBaud rates: 600, 1200, 2400, 4800, 9600, 19200, 384001) (firmware selectable)Bits/parity: 7-bit/even, 7-bit/odd, 7-bit/none, 8-bit/none (firmware selectable)Stop bits: 1 stop bitHandshake: None, XON/XOFF, RTS/CTS (firmware selectable)End-of-line: <CR><LF>, <CR>, <LF> (firmware selectable)
6
15
9
DataGND
Handshake
Pin 2: Balance transmit line (TxD)
Pin 3: Balance receive line (RxD)
Pin 5: Ground signal (GND)
Pin 7: Clear to send (hardware handshake) (CTS)
Pin 8: Request to send (hardware handshake) (RTS)
1) 38400 baud is only possible in special cases, such as:• Weighing platform without terminal, or• Weighing platform with terminal, only via the optional RS232C interface.
9.5.2 Specifications of "Aux" connection
You can connect the METTLER TOLEDO "ErgoSens" or an external switch to sockets "Aux 1" and "Aux 2". Thisallows you to start functions such as taring, zeroing, printing and others.
External connection Connector: 3.5 mm stereo jack connectorElectrical data: Max. voltage 12 V
Max. current 150 mA
∅ 3
.5 m
m
GND
Do not connect!
Connection contact
33Technical Data
34 Technical Data
10 Accessories and Spare Parts
10.1 AccessoriesYou can increase the functionality of your balance with accessories from the METTLER TOLEDO range. The following options are available:
Description Part No.
Printers
BT-P42 printer with Bluetooth connection to instrument 11132540Paper roll, set of 5 pcs 00072456Paper roll, self-adhesive, set of 3 pcs 11600388
Printer
17.375 g
19.319 g
8.003 g
7.773 g
6.554 g
10.506 g
8.097 g
5.876 g
3.205 g
1.098 g
METTLER TOLEDO
Ribbon cartridge, black, set of 2 pcs 00065975
RS-P42 printer with RS232C connection to instrument 00229265Paper roll, set of 5 pcs 00072456Paper roll, self-adhesive, set of 3 pcs 11600388
Printer
17.375 g
19.319 g
8.003 g
7.773 g
6.554 g
10.506 g
8.097 g
5.876 g
3.205 g
1.098 g
METTLER TOLEDO
Ribbon cartridge, black, set of 2 pcs 00065975
RS-P25 printer with RS232C connection to instrument 11124300Paper roll, set of 5 pcs 00072456Paper roll, self-adhesive, set of 3 pcs 11600388Ribbon cartridge, black, set of 2 pcs 00065975
RS-P26 printer with RS232C connection to instrument (withdate and time)
11124303
Paper roll, set of 5 pcs 00072456Paper roll, self-adhesive, set of 3 pcs 11600388Ribbon cartridge, black, set of 2 pcs 00065975
LC-P45 application printer with additional functions 00229119Paper roll, set of 5 pcs 00072456Paper roll, self-adhesive, set of 3 pcs 11600388Menu
Def
Menu
Clear
ID
Code
Result
F
3
2
1
4
5
6
7
8
9
0
LC-P45 Printer
31
1 2 3
METTLER TOLEDO
Ribbon cartridge, black, set of 2 pcs 00065975
Optional interfaces
Second RS232C Interface 11132500
Ethernet Interface for connection to an Ethernet network 11132515
BT option: Bluetooth Interface for multipoint connection for upto 6 Bluetooth devices
11132530
BTS option: Bluetooth Interface, single-point connection 11132535
PS/2 option: Interface for connecting commercial keyboardsand barcode readers
11132520
LocalCAN option: Interface for connection of up to 5 LC(LocalCAN) instruments
11132505
MiniMettler option: Interface MiniMettler, for connection to older(legacy) METTLER TOLEDO systems
11132510
RS232 - USB converter cable – Cable with converter to connecta balance (RS232) to a USB port
64088427
Cables for RS232C interface
RS9 – RS9 (m/f): connection cable for PC, length = 1 m 11101051
35Accessories and Spare Parts
36 Accessories and Spare Parts
RS9 – RS25 (m/f): connection cable for PC, length = 2 m 11101052
Cables for LocalCAN interface
LC – RS9: Cable for connecting a PC with RS232C, 9-pin (f),lenght = 2 m
00229065
LC – RS25: Cable for connecting a printer or PC with RS232C,25-pin (m/f), lenght = 2 m
00229050
LC – CL: Cable for connecting a device with METTLER TOLEDOCL interface (5-pin), length = 2 m
00229130
LC – LC2: Extension cable for LocalCAN, length = 2 m 00229115
LC – LC5: Extension cable for LocalCAN, length = 5 m 00229116
LC – LCT: Cable branch (T-connector) for LocalCAN 00229118
Cables for MiniMettler interface
MM – RS9f: RS232C connection cable to MiniMettler interface,length = 1.5 m
00229029
Cables for terminal
Terminal extension cable, length = 4.5 m 11600517
Cable, one-sided open (2-pin)
Cable between balance and AC adapter, length = 4 m 11132037
Auxiliary displays
BT-BLD Bluetooth auxiliary display for table mounting,168 mm, LCD display with backlighting
11132555
LC/RS-BLD auxiliary display on bench stand, backlit (incl. RScable and separate AC adapter)
00224200
RS/LC-BLDS auxiliary display for table or balance mounting,480 mm, LCD display with backlighting
11132630
Sensors
ErgoSens, optical sensor for hands-free operation 11132601
Footswitches
Footswitch with selectable function for balances (Aux 1, Aux 2) 11106741
37Accessories and Spare Parts
38 Accessories and Spare Parts
LC-FS foot switch with selectable function for balances withLocalCAN interface
00229060
Pipette calibration
1-channel suction pump complete 11138268Hose 2 m for suction pump 11138132
Reagent reservoirs, 5 pcs. 11600616
Barometer 11600086
Precision thermometer with clip, not certified 00238767
Calibry PC SoftwareCalibry Light; for single channel pipettes 11138423
Update 30007342Calibry Single workstation; for calibration with onesystem MPC
11138419
Update 30007340Calibry Network; Installation on several PC of thenetwork accessing the same database
11138420
Update 30007341
Calibry
Calibry Validation manual 11780959
Light barrier
Light barrier complete for XP26PC 11140029
Calibration kit
Calibration Kit XP26PC (without adjustment/test weights) 11140044
CarePacs
CarePac XP26 OIML 11123006
CarePac XP26 ASTM 11123106
Barcode reader
USB Barcode Reader 21901297Please order with barcodereader:
USB cable 412 21901309
Anti-theft devices
Steel cable 11600361
Transport cases
Transport case 11106997
Protective covers
Protective cover for XP terminal 11132570
39Accessories and Spare Parts
40 Accessories and Spare Parts
Various
Terminal and printer stand, mounting on balance 11106730
Wall fixture for terminal 11132665
AC/DC adapter (without power cable) 100–240 V AC, 0.8 A,50/60 Hz, 12 V DC 2.5 A
11107909
Country-specific 3-Pin power cable with grounding conductor.Power cable AU 00088751Power cable BR 30015268Power cable CH 00087920Power cable CN 30047293Power cable DK 00087452Power cable EU 00087925Power cable GB 00089405Power cable IL 00225297Power cable IN 11600569Power cable IT 00087457Power cable JP 11107881Power cable TH, PE 11107880Power cable US 00088668Power cable ZA 00089728
IP54 protective housing for AC adapter 11132550
Level bubble mirror 11140150
Weighing table 11138041
10.2 Spare partsPos Description Part No.
1 Hanger for pipetting container 111075712 Pipetting container (including glass
tube)11107917
3 Glass tube 111076054 Water container 111075915 Glass cover 111076066 Trap door 111076147 Connecting cable AUX 111400358 Clip 111065119 Foot screw 11106323
10 Light barrier 1160063911 Knurled screw 1160064012 Terminal support 11106540F
F
1
2
3
4
5
6
7
8
910
11
12
13
13 Terminal XP 11130692Suction pump 11138255Hose 2 m for suction pump 11138132Suction probe 11600621
41Accessories and Spare Parts
42 Accessories and Spare Parts
Pos Description Part No.Packaging complete on request
Export box 11106657
11 Appendix
11.1 MT-SICS interface commands and functionsMany of the instruments and balances used have to be capable of integration in a complex computer or dataacquisition system.
To enable you to integrate balances in your system in a simple manner and utilize their capabilities to the full,most balance functions are also available as appropriate commands via the data interface.
All new METTLER TOLEDO balances launched on the market support the standardized command set "METTLERTOLEDO Standard Interface Command Set" (MT-SICS). The commands available depending on the functionalityof the balance.
For further information please refer to the Reference Manual MT-SICS downloadable from the Internet under
u http://www.mt.com/xp26pc
43Appendix
Index
AAC adapter 18, 29, 29Accessories 34Adjusting the balance 27Application 22Assembling the balance 14Automated trap door 15, 24, 25Aux connections 33
CCable holder 16Calibration kit 27Calibry 23, 24CarePac 27Cleaning 26Connecting the balance 18Connecting to power supply 18Conventions 6
DDimensions 32Display field remains dark 18Disposal 28Draft shield 15Drip tray 14
EEnvironmental conditions 29ErgoSens 23, 33Evaporation trap 25
GGeneral safety information 7Glass cover 15GLP 5Good Laboratory Practice 5Good Weighing Practice 27GWP 27
HHanger 14Host computer 23
IInterface
MT-SICS 43ISO 14001 5ISO 9001 5
LLevel sensor 20Levelcontrol 20Leveling Assistent 21Light barrier 16, 22, 25Local conditions 13Location 13
MMaterials 29MT-SICS 43
OOverview 9
PPipetting container 14Power cable 17Power supply 29Power supply voltage 17Protection and standards 29
RRS232C interface 23, 33
SSafety information 7, 7
Staff safety 7Scope of delivery 12Self-test 18Setting the reading angle 17Setting up 11SmartSens 23SOP 27Spare parts 42Staff safety 7Standard Operating Procedure 27Switching off 20Switching on 20
TTechnical data 29Transporting over long distances 19Transporting over short distances
18
Transporting the balance 18
UUnpacking the balance 11, 11USB hub 23USB interface 23
VVerification of the balanceadjustment
27
WWater container 15, 25
Index44
Mettler-Toledo AG, Laboratory WeighingCH-8606 Greifensee, SwitzerlandTel. +41 (0)44 944 22 11Fax +41 (0)44 944 30 60www.mt.com
Subject to technical changes.© Mettler-Toledo AG 11/201311780879D en
www.mt.com/excellenceFor more information
*11780879*
