10 MEASUREMENT/CONTROL - Laboratory Glassware

1100 MEASUREMENT/CONTROL

L 310 e.1

NORMAG - LABORATORY GLASSWARENORMAG - LABORATORY GLASSWARE

1100 MEASUREMENT/CONTROL

L 310 e.1

NORMAG - LABORATORY GLASSWARENORMAG - LABORATORY GLASSWARE

NORMAG 200510.2

MEASUREMENT/CONTROL

The NORMAG LABOR- und PROZESSTECHNIK GmbH produces a number of devicesthat are suitable for measuring of process relevant data, for control of laboratory unitsand for automising of laboratory units.

The device system is modularly mounted. This allows to chose those appropriate devi-ces which are necessary for the application. Since all devices have information input andoutput all devices can be networked and connected with automising devices to a con-trolling system what can lead up to an automatical run of a unit.

Devices of the standard range are not equipped with processor technique to guaranteean easy and direct operating of these devices; process relavant theoretical data can bedirectly adjusted at the operating elements.

Besides the standard range devices of the Eco-tech line are offered, which are equip-ped with µ processor fitted modules.

Furthermore, the NORMAG LABOR- und PROZESSTECHNIK GmbH projects and pro-duces special devices taylored to customer's requirements and certain laboratory tasks.

PREFACE

10.3

MEASUREMENT/CONTROL

NORMAG 2005

EXAMPLES FOR APPLICATIONDiscontinuous laboratory rectification unit(e.g. for treatment of solvents; no EX -protection)

The schematic construction of the unit please see picture 1 on page 10.8.

Sensors attached at the unit

2 Pt 100-thermometer

Sensor for identification of the filling height

1 Flow meter for cooling water

Actuators attached at the unit

1 Electromagnet to move the swinging funnel in the column head

1 Magnet valve for locking the cooling water

Electronic devices for controlling the units

1 Low water alarm unit, name "Securat"

1 Device for identification of the filling height, name "Niveaumat"

1 Digital output regulator 2

1 Digital timer 2

Continuous laboratory rectification unit(e.g. for treatment of solvents; no EX -protection)

The schematic construction please see picture 2 on page 10.9.

The modularly construction can be seen:

In the first level work devices which have been developed for the distillation and occur in the application example of a "Discontinuouslaboratory rectification unit".

These devices are managed by PLC what ensures a fully automatical operation. Additional, the devices are equipped with a data cap-ture module (DEM) providing the facility of a continuous data capture of relevant process data and their analysis and storage with abelonging software.

The unit separates from a product which is in vessel 1 a component and pumps the sump product in vessel 2.

All devices are in series via the mains connection.

In case of failure of the cooling water, all consecutive devices and the bulb heating are switched off, the distillation will be interrup-ted.

In case of a low liquid level the heating will be switched off.

The temperature in the distillation liquid is controlled with the output regulator 2.

The digital timer 2 serves for control of the drain time and reflux time of the distillate; the swinging funnel is relevant moved.

NORMAG 200510.4

MEASUREMENT/CONTROL

DETECTORS/SENSORSPt 100-thermometerDesign in 4-core switch, with Lemosa connection socket S1

The installation length is the length from the upper end of the ground joint to the lowestpoint of the thermometer.

Grade of accuracy: B according to DIN EN 60 751

Case material: Borosilicate glass 3.3Quartz glassStainless steel PTFE

Pt 100-thermometer-standard design Type 1

Glass tube Installation length Catalogue No.d (mm) (mm)

8 50 ESR 12150 108 70 ESR 12150 118 100 ESR 12151 018 150 ESR 12151 028 200 ESR 12151 008 250 ESR 12152 008 300 ESR 12153 00

Pt 100 thermometer for flat flange reaction vessels Type 2

Conical ground joint Volume Catalogue No.cone, NS [ml]

14/23 100 ESR 12148 1114/23 150 ESR 12148 1214/23 250 ESR 12148 1314/23 500 ESR 12148 1414/23 1000 ESR 12148 1514/23 2000 ESR 12148 1614/23 3000 ESR 12148 1714/23 4000 ESR 12148 1814/23 5000 ESR 12148 19

Besides the standard sizes we manufacture Pt-100 thermometer of any required length

- with spherical ground joint, conical ground joint, flat flanges or for insert intoglass thread screwing

- with or without protection tube- with advanced measuring dynamic by special resistance- with grade of accuracy A according to DIN EN 60 751- with two resistance (double Pt 100-thermometer) in one case

Type 1 Type 2

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NORMAG 2005 10.5

MEASUREMENT/CONTROL

Pressure sensorsfor measuring of absolute and differential pressures in units

Absolute pressure sensors

are sensors, which have a measuring range from 1 mbar up to 1000 mbar and are sui-table for vacuum

Catalogue No. ESR 12118 12

Extern absolute pressure sensor with Honeywell sensor in one plastic case 120 x 80 x 55 mm, with 250 mm stand bar ø 15 mm for installation in a unit

Zero and measuring range limit comparable

Operating supply: ±12 up to ±15 V DC symmetric Measuring accuracy: ±2 % of the measuring range limit

Can be directly connected at the NORMAG Digital Vacuum Regulator 2 (Catalogue No.ESR 12118 02) with a sensor cable, length 4 m and Catalogue No. ESR 12169 02.

Extern absolute pressure sensor with case made of stainless steel and front flush pres-sure sensor membrane made of stainless steel.

Screw thread: G ½" - 19.5 mm long - SW 27

A suitable adapter for direct installation in the unit can be supplied on request.

Operating conditions and electric connecting values on request.Suitable for connection at NORMAG Digital Vacuum Regulator 2(Catalogue No. ESR 12118 02)

Differential pressure sensorsare sensors for measuring of differential pressures in units.The sensors are available in two measuring ranges: 70 mbar and 140 mbar.

Catalogue No. ESR 12116 12 for 70 mbarCatalogue No. ESR 12116 13 for 140 mbar

Extern differential pressure sensor with Honeywell sensor in one plastic case 120 x 80 x 55 mm, with 250 mm stand bar ø 15 mm for installation in a unit

Zero and measuring range limit comparable

Operating supply: ±12 up to ±15 V DC symmetric Measuring accuracy: ±2 % of the measuring range limitMeasuring range: 0 - 70 mbar resp. 0 - 140 mbar

Can be directly connected at the NORMAG Digital Differential Pressure Regulator 2 (Catalogue No. ESR 12116 02) with a sensor cable, length 4 m and Catalogue No. ESR 12169 02.

NORMAG 2005

Sensor for indication of the filling heightThe NORMAG light rod sensor serves for indication of the filling height in vessels.

Catalogue No. ESR 12130

The sensor consists of a light rod made of quartz glass with opto-electronic sender andreceiver, which operates in infra-red range (please indicate the immersion length into thevessel.

The sensor can indicate maximum and minimum filling height.

The light rod is attached with a laboratory screw thread at the vessel.

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Supply Voltage UB 10 - 30 V DC

Current consumption 25 mA at 24 V DC

Connection red = +UB

green = Switching output

blue = GND

connecting cable Length 5 m; without plug connector

Quartz rod D 8 mm; Length max. 500 mm

10.6

MEASUREMENT/CONTROL

Flow sensorThe NORMAG Flow sensor is suitable for measuring of cooling water flow rates in labo-ratory units.

The sensor is available for two flow ranges:

1 - 200 l/h and 2.5 - 400 l/h.

Catalogue No. ESR 12121 12 for 200 l/hCatalogue No. ESR 12121 13 for 400 l/h

The flow sensor is packed is a plastic case 160 x 80 x 80 mm with stand bar 250 mmlong and ø 15 mm for installation in a unit.The sensor works corresponding to the turbine method.

Operating supply: ±15 V DC symmetricOutput signal: 100 l/h corresponds to 1 VMeasuring accuracy: ±3 % of the measuring range limit

The sensor can be directly connected at the NORMAG Digital Low Water Alarm Unit"Securat" (Catalogue No. ESR 12121 01) with a cable, length 4 m and Catalogue No.ESR 12169 02.

10.7

MEASUREMENT/CONTROL

Flow watcherThe flow watcher works according to the suspended body - flow- measuring principle.The water flowing through the watcher lifts proportional to the flow rate the suspendedbody in a conical shaped tube. The suspended body contains a permanent magnet whichswitches an adjustable Reed contact at the case. The upper edge of the suspended bodyindicates the flow rate on an engraved glass.

Dimensions: L x W x D = 135 x 39 x 39 mm

Catalogue No. ESR 12125 01 Flow rate: 0.1-1.0 l/minCatalogue No. ESR 12125 02 Flow rate: 0.2-2.5 l/minCatalogue No. ESR 12125 03 Flow rate: 1.0-6.0 l/min

NORMAG 2005

NORMAG 2005

Picture 1: Discontinuous rectification unit

10.8

MEASUREMENT/CONTROL

NORMAG 2005 10.9

MEASUREMENT/CONTROL

Picture 2: Continuous laboratory rectification unit

NORMAG 200510.10

MEASUREMENT/CONTROL

We have developed reliable devices in common digital technique (no processor technique) by use of sophisticated electronic com-ponents.

Our electronic devices are:

easy to operate

flexible in use (modular principle)

robust in construction

free of maintenance

NORMAG STANDARD ELECTRONIC DEVICES

NORMAG 2005 10.11

MEASUREMENT/CONTROL

NORMAG Digital Output Regulator 1

The NORMAG Digital Output Regulator 1 serves for controlling of electric heating systems.

The heating volume can be adjusted from 1 % up to 99 %. The control is ensured by impulse group control.

The supply is switched in zero point of AC that no failure due to voltage or current peaks can arise. The cycle time is two seconds.

A contact thermometer, with glass break protection according to DIN 12 878, can be connected as excess temperature protection ora temperature limit can be preset via the NORMAG Digital Limit Thermometer. This input can also be switched by another automationdevice (e.g. PLC).

When the temperature limit has been reached the heating volume is switched off bipolarly to <Blockiert> (Blocked) (lockable tumblerswitch). A red blinking warning light indicates when a temperature limit has been breached.

When the switch is in position <Intermittierend> (Intermittent) (lockable tumbler switch) the heating volume is automatically switchedon again after falling of the temperature below the preset limit. The exceed of the temperature limit is indicated with a red blinking light-emitting diode.

A potential-free alternating contact for additional control is provided. The control relay is energised when the limit has been reached.

The NORMAG Digital Output Regulator 1 is installed in a bench case.


NORMAG 200510.12

MEASUREMENT/CONTROL

Technical Data:

Mains supply 230 V ± 10 %

50/60 Hz

Mains fuses 2 x 10 A high-speed

Circuit capacity max. 2.3 kW at 230 V

Heating capacity 1 % to 99 % of total capacity

Input temperature sensor contact thermometer according to DIN 12 878

resp. mechanical contacts (relay)

Output Limit value potential-free alternating contact

loaded max. 1 A at 24 V

Dimensions 200 x 110 x 250 mm

Weight approx. 2 kg

Illustrations are subject to change.

We reserve the right of change in construction or modification of technical data due to further improvements.

NORMAG 2005 10.13

MEASUREMENT/CONTROL

The NORMAG Digital Output Regulator 2 serves like the NORMAG Digital Output Regulator 1 for controlling of electrical heatingsystems. But it is additionally equipped with an integrated Digital Limit Value Thermometer for Pt 100-thermometer.

The temperature measuring range lies between 0 °C and +300 °C with a measuring accuracy of ±0.2 °C.The temperature range to be set lies between 0.0 °C and 299.9 °C.

A Pt 100-thermometer made of corrosion resistant Borosilicate glass 3.3 in 4-core switch serves as measuring sensor.

The value of the measured temperature is digitally displayed.

The heating volume can be digitally set between 1 % and 99 %. The regulation is made by impulse group control.

The supply is switched in zero point of AC that no failure due to voltage or current peaks can arise. The cycle time is two seconds.

The boiling limit is monitored by the limit temperature which is pre-set at a potentiometer. When the limit temperature has been rea-ched the heating volume is switched off bipolarly to <Blockiert> (Blocked) (lockable tumbler switch). A red blinking warning light indicates when a temperature limit has been breached.

When the switch is in position <Intermittierend> (Intermittent) (lockable tumbler switch) the heating volume is automatically switchedon again after falling of the temperature below the pre-set limit. A red blinking warning light indicates when a temperature limit hasbeen breached.

A potential-free alternating contact for additional control is provided. The control relay is energised when the limit has been reached.A control input for mechanical contacts e.g. PLC for switching off can be provided at an additional socket.

The device is equipped with a recorder output (10 mV/°K), that allows simultaneous registration of the measured temperature.

The NORMAG Digital Output Regulator 2 is installed in a bench case.


NORMAG Digital Output Regulator 2

NORMAG 200510.14

MEASUREMENT/CONTROL

Technical Data:

Mains supply 230 V ± 10 %50/60 Hz

Mains fuses 2 x 10 A high-speed

Circuit capacity max. 2.3 kW at 230 V

Heating capacity 1 % to 99 % of total capacity

Input temperature sensor Pt 100-thermometer according in 4-core switching

Temperature display °C, 4 digits

Temperature measuring range 0.0 °C to +300 °C

Temperature setting range 0.0 °C to +299.9 °C

Recorder output 10 mV/°K

Limit output potential-free alternating contactloaded max. 1 A at 24 V


Weight approx. 2,5 kg

An additional output 4 - 20 mA ca be provided.

Illustrations are subject to change.We reserve the right of change in construction or modification of technical data due to further improvements.

NORMAG 2005 10.15

MEASUREMENT/CONTROL

The NORMAG Digital Timer 1 is an electronic impulse generator for adjustment of the reflux and drain ratio.

The reflux time and drain time can be selected from 0.1 sec to 99.9 sec independent from each other.

With a lockable tumbler switch is determined whether the electromagnet of a liquid divider or of a vapour divider is in control.

In liquid dividers, the sealed-in permanent magnet of the swinging funnel is attracted during the drain time and is repelled during thereflux time by changing of the polarity.

In vapour dividers, the sealed soft iron core in the tappet is attracted by switching on the magnet field in the magnet during the drain.The magnet field is reset by switching on "Reflux", the tappet falls down due to the gravity and closes the distillate drain.

Two light-emitting diodes serve for control. The green LED indicates the drain time and the yellow LED indicates the reflux time.

The boiling limit is monitored with a contact thermometer with glass and cable breakage protection according to DIN 12 878 resp.with a limit temperature pre-set at a NORMAG Digital Limit Thermometer. A red blinking warning light indicates when a temperaturelimit has been breached.

When the limit has been reached, the NORMAG Digital timer 1 switches automatically to reflux. A red light-emitting diode indicatesoptically the reaching of the pre-set boiling limit.

The function will be re-established when the temperature at the contact thermometer resp. the NORMAG Digital Limit Thermometerhas dropped below the pre-set temperature or the limit temperature has been set higher. The red light-emitting diode goes out.

An additional input for switching to total reflux can be installed. A programmable controller (e.g. PLC) can be connected at this input.

A limit output (potential free alternating contact) for other controlling devices can be retrofitted.

The NORMAG Digital Timer 1 is installed in a bench case.


NORMAG Digital Timer 1

NORMAG 200510.16

MEASUREMENT/CONTROL

Technical Data:

Mains supply 230 V ±10 %; 50 Hz(60 Hz variant possible)

Mains fuses 2 x 0.8 A medium speed

Electromagnet 24 V DC, w = 48 %loaded max 1.6 A(in liquid dividers the voltage reverses the polarity)

Electromagnet fuse 1.6 A medium speed

Setting range for reflux time 0.1 to 99.9 sec

Setting range for drain time 0.1 to 99.9 sec

Time constancy ±1 %

Input measuring sensor Contact thermometer according to DIN 12 878resp. mechanical contacts (relay)

Output limit potential-free alternating contactretrofitted loaded max. 1 A at 24 V


Weight approx. 3.5 kg


10.17

MEASUREMENT/CONTROL

The NORMAG Digital Timer 2 is an electronic impulse generator for adjustment of the reflux and drain ratio with integrated Digital LimitThermometer for Pt 100-thermometer.

The reflux time and drain time can be selected from 0.1 sec. to 99.9 sec independent from each other.

With a lockable tumbler switch is determined whether the electromagnet of a liquid divider or of a vapour divider is in control.

In liquid dividers, the sealed-in permanent magnet of the swinging funnel is attracted during the drain time and is repelled during thereflux time by changing of the polarity.

In vapour dividers, the sealed soft iron core in the tappet is attracted by switching on the magnet field in the magnet during the drain.The magnet field is reset by switching on "Reflux", the tappet falls down due to the gravity and closes the distillate drain.

Two light-emitting diodes serve for control. The green LED indicates the drain time and the yellow LED indicates the reflux time.

The temperature range lies between 0 °C and +300 °C. The temperature setting range lies between 0 °C and 299.9 °C.

A Pt 100-thermometer made of corrosion resistant Borosilicate glass 3.3 in 4-core switch serves as measuring sensor. (see also 2.1)


The boiling limit is monitored by the limit temperature which pre-set at a potentiometer. A red blinking warning light indicates when atemperature limit has been breached.

An additional input for switching to total reflux can be installed if required.

A potential-free alternating contact is provided for other controlling devices at the limit output.

When the limit has been reached, the NORMAG Digital Timer 2 switches automatically to reflux. A red light-emitting diode indicatesoptically the reaching of the pre-set boiling limit.

The function will be re-established when the temperature has dropped below the pre-set temperature or the limit temperature has beenset higher. The red light-emitting diode <Siedegrenze> (boiling limit) goes out.

The device is equipped with a recorder output (10 mV/°K) that allows simultaneous registration of the measured temperature.

The NORMAG Digital Timer 2 is installed in a bench case.


NORMAG 2005

NORMAG Digital Timer 2

NORMAG 200510.18

MEASUREMENT/CONTROL

Technical Data:

Mains supply 230 V ±10 %; 50 Hz(60Hz variant possible)


Electromagnet 24 V DC, w = 48 %loaded max 1.6 A(in liquid dividers the voltage reverses the polarity)

Electromagnet fuse 1.6 A medium speed


Temperature measuring range 0.0 °C to +300 °C


Setting range for reflux time 0.1 to 99.9 sec

Setting range for drain time 0.1 to 99.9 sec

Time constancy ±1 %


Recorder output 1 V DC during the drain timeretrofitted 0 V during the reflux time

Input limit can be retrofitted

Output limit potential-free alternating contact, loaded max 1 A/24 V


Weight approx. 4 kg

An additional output with 4 - 20 mA is possible.

Following functions can be additionally realised at the device:a switch at the front for switching on of total refluxan output signal of 1 V at total reflux for registration at the recorder socket

A device combining the Digital Output Regulator 2 and the options mentioned above is available as NORMAG Digital Output Regula-tor 3.



10.19

MEASUREMENT/CONTROL

The NORMAG Digital Limit Value Thermometer 1 serves for temperature measuring and for adjustment and control of a temperatu-re limit.

The NORMAG Digital Limit Value Thermometer 1 has one measuring point and one digital limit value impulse setter.

The temperature measuring range lies between 0 °C and +300 °C with a measuring accuracy of better than ±0.2 °C.

The temperature setting range for the capture of the limit value reaches from 0.0 °C to +299.9 °C.

A Pt 100-thermometer in 4-core switch made of Borosilicate glass 3.3 serves as measuring sensor.


A red blinking warning light indicates when a temperature limit has been breached.

A potential-free alternating contact for additional control instruments is provided at the limit value output. This control relay will be attrac-ted when the limit has been reached.

Additionally, the NORMAG Digital Limit Value Thermometer 1 is equipped with a recorder output (10 mV/°K) allowing the simultaneousdocumentation of the measured temperature.

The NORMAG Digital Limit Value Thermometer 1 is installed in a bench case.


NORMAG 2005

NORMAG Digital Limit Value Thermometer 1

NORMAG 200510.20

MEASUREMENT/CONTROL

Technical Data:



Measuring sensor input Pt 100-thermometer in 4-core switch


Temperature measuring range 0 °C to +300 °C


Output Limit value potential-free alternating contact, loaded max. 1 A at 24 V



Weight approx. 2 kg


Illustrations are subject to change. We reserve the right of change in construction or modification of technical data due to further improvements.

10.21

MEASUREMENT/CONTROL

The NORMAG Digital Thermometer 1 serves for temperature measuring.

The NORMAG Digital Thermometer 1 has one measuring point.

The temperature range lies between 0 °C and +300 °C with a measuring accuracy of ± 0.2 °C.

A Pt 100-thermometer in 4-core switch made of corrosion resistant Borosilicate glass 3.3 serves as measuring sensor.


Additionally, the NORMAG Digital Thermometer 1 is equipped with a recorder output (10 mV/°K) allowing the simultaneous docu-mentation of the measured temperature.

The NORMAG Digital Thermometer 1 is installed in a bench case.


NORMAG 2005

NORMAG Digital Thermometer 1

NORMAG 200510.22

MEASUREMENT/CONTROL

Technical Data:








Weight approx. 2 kg



10.23

MEASUREMENT/CONTROL

The NORMAG Digital Thermometer 3 serves for temperature measuring.

The NORMAG Digital Thermometer 3 has three measuring points.

The temperature range lies between 0 °C and +400 °C with a measuring accuracy of ± 0.2 °C.

A Pt 100-thermometer in 4-core switching serves as measuring sensor made of Borosilicate glass 3.3.


Additionally, the NORMAG Digital Thermometer 3 is equipped with three recorder outputs (10 mV/°K) and three current outputs4 - 20 mA allowing the simultaneous documentation of the measured temperature.

The NORMAG Digital Thermometer 3 is installed in a bench case.


NORMAG 2005

NORMAG Digital Thermometer 3

NORMAG 200510.24

MEASUREMENT/CONTROL

Technical Data:








Weight approx. 2 kg


10.25

MEASUREMENT/CONTROL

The NORMAG Digital Vacuum Regulator 1 keeps the vacuum at a constant level.

An absolute pressure sensor and an electromagnet valve are integrated in the device.

The integrated piezo-resistive absolute pressure sensor grants a long-time stable accurate measuring of pressure which is sufficientfor the process-technical use in the range between 1 mbar and 1200 mbar with an accuracy of ±2 % of the measuring range.

The pressure setting range lies between 1.0 mbar and 999.9 mbar.

The measuring are digitally displayed in 4 ½ digits. The required value is pre-set by 4 digits.

Via a lockable tumbler switch can be chosen the positions "Normal" or "Secondary air" (partial leakage control).

A green light -emitting diode indicates the opened electromagnet valve.

Additionally, the NORMAG Digital Vacuum Regulator 1 is equipped with a recorder output (10 mV/mbar) allowing the simultaneousdocumentation of the measured pressure.

The NORMAG Digital Vacuum Regulator 1 is installed in a bench case.


NORMAG 2005

NORMAG Digital Vacuum Regulator 1

NORMAG 200510.26

MEASUREMENT/CONTROL

Technical Data:



Pressure display mbar, 4 ½ digits

Pressure measuring range 1 mbar to approx. 1200 mbar

Pressure setting range 1 mbar to 999.9 mbar

Pressure measuring accuracy ±2 % of the measuring range

Recorder output 10 mV/mbar

Electromagnet valve 24 V DC; 0.5 A


Weight approx. 3 kg


10.27

MEASUREMENT/CONTROL

The NORMAG Digital Vacuum Regulator 2 keeps the vacuum at a constant level.

An absolute pressure sensor and an electromagnet valve are separately installed in the unit.

The devices described on page 10.5 are suitable as absolute pressure sensors.

The pressure setting range lies between 1.0 mbar and 999.9 mbar.

The measuring from the separate absolute pressure sensor are digitally displayed in 4 ½ digits. The required value is pre-set by 4 digits.

Via a lockable tumbler switch can be chosen the positions "Normal" or "Secondary air" (partial leakage control).

A green light -emitting diode indicates the opened electromagnet valve.

The extern magnet valve is mounted at a stand bar ø 15 mm.

The NORMAG Digital Vacuum Regulator 2 is equipped with a recorder output (10 mV/mbar) allowing the simultaneous documenta-tion of the measured pressure.

The NORMAG Digital Vacuum Regulator 2 is installed in a bench case.


NORMAG 2005

NORMAG Digital Vacuum Regulator 2

NORMAG 200510.28

MEASUREMENT/CONTROL

Technical Data:





Pressure setting range 1 mbar to 999.9 mbar



Electromagnet valve 24 V DC; 0.5 A


Weight approx. 2 kg


10.29

MEASUREMENT/CONTROL

The Normag Digital Vacuum Meter 2 is a reliable vacuum measuring device.

The absolute pressure sensor is separately installed in the unit.

The devices described on page 10.5 are suitable as absolute pressure sensor.

The measuring of the separate absolute pressure sensor are digitally displayed in 4 ½ digits.

The NORMAG Digital Vacuum Meter 2 is equipped with a recorder output (10 mV/mbar) allowing the simultaneous documentation ofthe measured pressure.

The NORMAG Digital Vacuum Meter is installed in a bench case.


NORMAG 2005

NORMAG Digital Vacuum Meter 2

NORMAG 200510.30

MEASUREMENT/CONTROL

Technical Data:








Weight approx. 2 kg


10.31

MEASUREMENT/CONTROL

The NORMAG Digital Differential Pressure Regulator 2 enables the measuring of the differential pressure and the control of the bulbheating in an easy and reliable way.

Naturally, the differential pressure is "0" between the sump and head when starting the column apparatus and so a regulation of thebulb heating via the differential pressure is not possible.

Therefore, an output regulator* is integrated in the NORMAG Digital Differential Pressure Regulator 2 as starting help which takes overthe regulation of the sump heating by impulse group control until the differential pressure, pre-set at a value setter, has been reached.

During the starting period the heating capacity can be digitally adjusted between 1 % and 99 % of the total heating capacity. Whenthe pre-set differential pressure has been reached, the regulation of the capacity is taken over automatically from the integrated dif-ferential pressure regulator.

The differential pressure sensor is separately installed in the unit.

The device described on page 10.5 is suitable as differential pressure sensor.

The measuring are digitally displayed in 4 ½ digits. The required value is pre-set by 4 digits.

Although the NORMAG Digital Differential Pressure Regulator 2 has a two-point regulating behaviour, a good capacity control is rea-ched due to the irregular and fast changing boiling process and the herewith connected slight differential pressure changes.

A contact thermometer with glass and cable protection according to DIN 12 878 can be connected as excess temperature protec-tion as well as a NORMAG Digital Limit Value Thermometer where the temperature limit value can be pre-adjusted. When the limittemperature has been reached, the heating capacity will be totally switched off bipolarly.

The exceed of the limit is indicated by a red blinking light-emitting diode.

When the pre-set level is re-established again the limit value level can be quitted with the switch "Rückstellen" (Reset).

A potential-free alternating contact for additional control instruments is provided at the control contact output.

Additionally, the NORMAG Digital Differential Pressure Regulator 2 is equipped with a recorder output (100 mV/mbar) allowing thedocumentation of the measured temperature.

The NORMAG Digital Differential Pressure Regulator 2 is installed in a bench case.


*NORMAG Digital Output Regulator please see pages 10.11 and 10.13

NORMAG 2005

NORMAG Digital Differential Pressure Regulator 2

NORMAG 200510.32

MEASUREMENT/CONTROL

Technical Data:


Mains fuses 2 x 10 A high speed


Differential pressure measuring range subject to the sensor 70 mbar resp.140 mbar

Differential pressure setting range in stages to 0.1mbar

Capacity output max 2.3 kW

Control contact input Contact thermometer according to DIN 12 878resp. mechanical contacts (relay)

Control contact output potential free alternating contact, loaded max. 1 A at 24 V





10.33

MEASUREMENT/CONTROL

The NORMAG Digital Differential Pressure Meter 2 is a reliable differential pressure measuring device.

The differential pressure sensor is separately installed in the unit.

The device described on page 10.5 are suitable as differential pressure sensor.

The values of the separate differential pressure sensor are digitally displayed in 4 ½ digits.

Additionally, the NORMAG Digital Differential Pressure Meter 2 is equipped with a recorder output (100 mV/mbar) allowing the docu-mentation of the measured temperature.

The NORMAG Digital Differential Pressure Meter 2 is installed in a bench case.


NORMAG 2005

NORMAG Digital Differential Pressure Meter 2

NORMAG 200510.34

MEASUREMENT/CONTROL

Technical Data:



Differential pressure display mbar, 4 ½ digits

Differential pressure measuring range 0.1 mbar to 140.0 mbar subject to the sensor



Weight approx. 2 kg


10.35

MEASUREMENT/CONTROL

The NORMAG Niveaumat level controller serves for monitoring of the liquid level in vessels.

It can monitor a minimum or a maximum liquid level.

As sensors serve either light rods made of quartz with opto-electronic sender and receiver which work in the infra-red range orphotoelectric barriers working in the infra-red range or magnet swimmer with Reed-contact. Light rod sensors are described onpage 10.6.

During the monitoring of the maximum (lockable tumbler switch) the via the capacity output connected unit will be switched offbipolarly when the liquid level exceeds the adjusted level.

The green light-emitting diode <Heizung> (heating) goes out; the red blinking light-emitting diode <Alarm> (alarm) goes on.

A potential-free alternating contact for additional control instruments is provided at the control contact output.

During the monitoring of the minimum (lockable tumbler switch) the alarm is set when the liquid level falls under the adjustedlevel.

When the lockable tumbler switch "Intermittierend/Blockiert" (Intermittent/Blocked) is in position <Blockiert> (blocked), the userwill not be automatically switched on again, even when the pre-set level has been already reached again. The alarm will be onlyquitted by pressing the button <Rücksteller> (Reset) and the user will be switched on.

In position <Intermittierend> (Intermittent) the user switches automatically on when the liquid level has been increased (mini-mum watching) or fallen (maximum watching) again.

The NORMAG Niveaumat Level controller is installed in a bench case.


NORMAG 2005

NORMAG Niveaumat Level Watching

NORMAG 200510.36

MEASUREMENT/CONTROL

Technical Data:



Capacity max. 2.3 kW

Sensors 1. Light rod made of quartz2. Photoelectric barrier3. Magnet swimmer (Reed-contact)



Weight approx. 2 kg


10.37

MEASUREMENT/CONTROL

The NORMAG Digital Securat is a water shortage protection for switching off of heating capacities up to 2.3 kW and simultaneousinterruption of the cooling water flow.

The flow sensor with a flow range from 1 to 200 l/h resp. 2.5 to 400 l/h is separately installed in the cooling water drain.

Suitable flow sensors are described on page 10.6.

The cooling water magnet valve is directly assembled at the water inlet in the cooling water pipe.

The flow sensors only react to flow and not to the pressure circumstances in the cooling water.

Limit values can be pre-adjusted, depending on the sensor type, up to 999 l/h with a 3 digit digital switch.

After pressing the button <Start> the device will be switched on for approx. 30 seconds. At the same time the cooling water magnetvalve gives the water flow free.

The water flow and the switched on heating are indicated by a green light-emitting diode.

The NORMAG Digital Securat Low Water Alarm Unit switches off the capacity output bipolarly when the adjusted limit is fallen below.At the same time the cooling water magnet valve closes.

The limit flallen below is indicated with a red blinking light-emitting diode. An acoustic signal sounds.

A potential-free alternating contact for additional control instruments is provided at the control contact output. This limit relay isattracted in the standard state and repels when the limit has been reached.

The limit position <Alarm> can only be stopped with the button <Rückstellen> (Reset).

The NORMAG Digital Securat Low Water Alarm Unit is installed in a bench case.


NORMAG 2005

NORMAG Digital Securat Low Water Alarm Unit

NORMAG 200510.38

MEASUREMENT/CONTROL

Technical Data:


50/60 Hz


Capacity max. 2.3 kW

Cooling water magnet 24 V DC, w = 48 %, loaded max. 1.6 A

Valve output

Flow measuring display digitally, 3 digits, 999 l/h

Limit value setting 1 to 999 l/h






NORMAG 2005 10.39

MEASUREMENT/CONTROL

The NORMAG Relay 1 serves for switching off of electrical users as heating, pumps etc. in a safety chain. The maximum capacityis 2.3 kW at 230 V and is distributed on 3 capacity outputs.

Potential-free alternating contacts are provided for additional devices at the control outputs of the NORMAG standard electronicdevices.

These contact outputs can be connected with the control inputs of the NORMAG Relay 1.

Thereby must be considered whether the relay will be attracted (e.g. NORMAG Digital Limit Value Thermometers) or will be repel-led when the limit has been reached (e.g. NORMAG Digital Securat).

The NORMAG Relay 1 has four electronic control inputs, one main input and three connectable inputs which are lockable with atumbler switch.

In switch position <Intermittierend> (intermitted), the connected electrical users are switched off when the limit has been reached.When the level has fallen under the pre-set limit again the users are automatically switched on again.

The capacity outputs are indicated with a yellow light-emitting diode.

The switched off capacity outputs are indicated with red light-emitting diodes <Alarm>.

The equal rights of the four control inputs cause that every reached limit value leads to the switching off of the three capacity out-puts both in intermitted and blocked adjustment.

The limit position <Alarm> can only be stopped with the button <Rückstellen> (Reset) at blocked switching off.

A potential-free alternating contact for additional control instruments is provided at the control contact output. This limit value relayis attracted in the standard state and repels when the limit has been reached.

The NORMAG Relay 1 is installed in a bench case.


NORMAG Relay 1

NORMAG 200510.40

MEASUREMENT/CONTROL

Technical Data:


50/60 Hz

Mains fuses 2 x 10 A delay action

Capacity max. 2.3 kW at 230 V 50 Hz

distributed on 3 capacity outputs

Control contact input potential free mechanical control contacts






NORMAG 2005 10.41

MEASUREMENT/CONTROL

The NORMAG Relay 2 serves for switching off of electrical users as heating, pumps etc. in a safety chain. The maximum capacity are10 kW at 400 V three-phase current.

Potential-free alternating contacts are provided for additional devices at the control outputs of the NORMAG standard electronic devi-ces.

These contact outputs can be connected with the control inputs of the NORMAG Relay 2.

Thereby must be considered whether the relay will be attracted (e.g. NORMAG Digital Limit Value Thermometers) or will be repelledwhen the limit has been reached (e.g. NORMAG Digital Securat).

The NORMAG Relay 2 has four electronic control inputs, one main input and three connectable inputs which are lockable with a tum-bler switch.

In switch position <Intermittierend> (intermitted), the connected electrical users are switched off when the limit has been reached.When the level has fallen under the pre-set limit again the users are automatically switched on again.

The capacity outputs are indicated with a yellow light-emitting diode <Ausgänge> (outputs).

The switched off capacity outputs are indicated with red light-emitting diodes <Alarm>.

The equal rights of the four control inputs cause that every reached limit value leads to the switching off of the three capacity outputsboth in intermitted and blocked adjustment.

The limit position <Alarm> can only be stopped with the button <Rückstellen> (Reset) when working with blocked switching off.

A potential-free alternating contact for additional control instruments is provided at the control contact output. This limit relay is attrac-ted in the standard state and repels when the limit has been reached.

The NORMAG Relay 2 is installed in a bench case.


NORMAG Relay 2

NORMAG 200510.42

MEASUREMENT/CONTROL

Technical Data:

Mains supply 3 x 400 V ± 10 %

50/60 Hz

Mains fuses for load 3 x 16 A delay action (D01 NEOZED)

Mains fuses for electronic 0.3 A delay action

Capacity max. 10 kW at 3 x 400 V

three phase current user

Capacity 3 x 3.5 kW at 230 V

AC user (provided symmetrical load and cos ϕ =1)

Control contact input potential free mechanical contacts






NORMAG 2005 10.43

MEASUREMENT/CONTROL

The NORMAG Distillation Control Unit 2 serves for control of distillation units.

It contains a Digital Timer 2 (description see page 10.17) for control of the reflux- and drain time of the distillate at the column headand a Digital Output Regulator 2 (description see page 10.13) for control of the heating capacity of the bulb.

Digital Timer 2 and Digital Output Regulator 2 are equipped with limit value switches. When the boiling limits have been reached, theDigital Timer 2 switches to total reflux and Digital Output Regulator 2 switches off the bulb heating. At the same time alarms are activa-ted which are optically indicated at the device and are ready for further treatment at the potential free contacts.

By the function <Endabschaltung> (final switch off) the Digital Output Regulator 2 will be also switched off when the boiling limit hasbeen reached at the Digital Timer 2.

Intermitted and blocked operation are possible.

The NORMAG Distillation Control Unit 2 is installed in a bench case.

Catalogue No. ESR DESTG 2

NORMAG Distillation Control Unit 2

NORMAG 200510.44

MEASUREMENT/CONTROL

Technical Data:

NORMAG Digital Output

Regulator 2 see page 10.13


NORMAG Digital Timer 2 see page 10.17


10.45

MEASUREMENT/CONTROL

NORMAG 2005

NORMAG Universal Control Device USG

The Universal Control Device USG permits an automatic operation of distillation units and can be universally used. Due to its highfunctionality and easy handling, the USG provides a high degree of efficiency for almost all applications.

The modular construction of the USG allows the customisation to the requirements of the measurement and control technique.

The USG combines well-known measurement and control technology in one device and can be used as:

- Impulses generator for vapour and liquid dividers- Phase separator- Regulator for evaporator heating- Securat - low water alarm unit- Niveaumat - level watching- Limit value thermometer- Flow watcher and control of dosing pumps or magnet valves- Vacuum controller to measure and control absolute and differential pressure

The USG is fitted with outputs for the connection of data logger or data writer.Data can be captured with data logger and the software WinControl and can be visualised shown in an project figure.

Catalogue No. ESR 12140

Legend:

1 Siemens PLC with 4-digitally display and buttons for parameter input2 Expansion module for PLC3 Expansion module for PLC4 LED alarm display and button for buzzer5 Start-Stop button to start/stop the PLC programme6 Supply switch7 Mains fuse 10 A high speed for safety socket with earthing8 Mains fuse 10 A high speed for safety socket with earthing9 Cable 1.5 m with safety plug10 Bushing 1 25 poles Sub-D bushing for PLC inputs and outputs11 Bushing 2 9 poles Sub-D bushing optional for analogue outputs, alarm display12 Safety socket with earthing for the connection of evaporator heating

10.46

MEASUREMENT/CONTROL

NORMAG 2005

Technical Data:

Mains supply 120 …230 V ACPermissible range 85 …264 V AC

Supply frequency 50 …60 Hz

Mains fuse 2 x 10 A high speed1 x 2 A slow

Braking capacity optional max. 2.3 kW at 230 V

Heating capacity optional 2 …99% of total capacity

Optional inputs analogue max. 8 inputs:0 …10 V0 …20 mA resp. 4 …20 mAPt 100-thermometer in three-phase curcuit

Optional inputs digital max. 8 inputs:Signal 0 < 5 V DC current <1.0 mASignal 1 > 8 V DC current >1.5 mA

Optional outputs analogue 2 outputs :0 …10 V for data logger and data writer

Optional outputs digital max. 8 transistor outputsPositively -switching (24 V max. 0.3 A)max. 8 relay outputsfloating normally-open contact 10 A

LCD display up to 10 information with 4 lines each 12 symbolsanalogue display e.g. temperature 4-digitallystatus, alarm, and fault indication in cleartext

Parameter input at LOGO! module




NORMAG 2005 10.47

MEASUREMENT/CONTROL

Attention!Electromagnets, connecting cable and suspending devices for the electromagnet must

be ordered separately.

Electromagnetfor liquid divider

24 V DC


ACCESSORY FOR THE NORMAG STANDARD ELECTRONIC DEVICES

Suspension devicefor electromagnets, made of stainless steel with felt inlay, easy to mount

Catalogue No. for liquid divider (column heads)with catalogue No.

SAA 09092 30 SAA 09092 21 and SAA 09092 23SAA 09092 31 SAA 09092 24 and SAA 09092 26SAA 09092 33 SAA 09086 01 and SAA 09086 11

Connecting cablefor electromagnets

catalogue No. length in m

ESR 12166 01 2ESR 12166 02 4ESR 12166 03 6ESR 12166 04 8ESR 12166 05 10

Other lengths on request.

NORMAG 200510.48

MEASUREMENT/CONTROL

Connecting cable with Lemosa connections

for Pt 100-thermometer

Catalogue No. Length in m

ESR 12168 01 2ESR 12168 02 4ESR 12168 03 6ESR 12168 04 8ESR 12168 05 10


Control cableFor connection of control inputs and outputs of the NORMAG standard devices or witha PLC device

Catalogue No. Length in m

ESR 12127 01 0.5ESR 12127 02 1.0ESR 12127 03 2.0

Please indicate the devices to connect in your order.


NORMAG 2005 10.49

MEASUREMENT/CONTROL

DEVICES FOR THE CAPTURE OF MEASURINGS,THE "ALMEMO" SYSTEMThe ALMEMO systemALMEMO measuring devices are devices which are produced by the company "Ahlborn Mess- und Regeltechnik GmbH". Thesedevices are used by NORMAG LABOR- und PROZESSTECHNIK GmbH in its process-technical laboratory units for process wat-ching, control, data capture and recording.

The ALMEMO system is there used when measurements are taken, analysed and administrated in the frame of laboratory auto-mation.

What is the special of the ALMEMO system?

For the connecting of the sensors the therefore developed and patented intelligent ALMEMO plugs are used. They contain aprogrammable data carrier <EEPROM> in which the parameters of the connected sensor are stored.

All measuring instruments are recognised automatically and the function will be accordingly suited, so this sensor provides ahigh flexibility and convenience in use.

All sensors, once programmed, are interchangeable without further adjustment. Connected at a measuring device not only themeasuring range is transferred but also all measuring corrections, scales, dimensions and even the sensor type.

The power supply of the sensor and the cold-junction compensation are also taken over by the plug.

ALMEMO plug with EEPROM and 6 screw type terminals

Special sensors are not necessary, utmost every sensor can be connected with 6 screw type terminals. Programmed plugs are avai-lable but the customer can programme all parameter either via the measuring device manually or via a serial interface per PC. A sel-ective locking is provided to avoid not wanted changes.

The interface electronic for analogue and digital interfaces at the outputs is not integrated in the measuring device but in the plug ofthe connecting cable. The type and the parameters are also red by a data carrier in the ALMEMO plug and the device accordinglyconfigured. Analogue or digital interfaces can be changed also with different parameters and without any programming.

The ALMEMO measuring device is fully programmed by the intelligent ALMEMO plug when connecting the sensors and interfacecables, excepted the time control of the process.

On the other hand all parameters can be changed if necessary; all data carriers inside the plug can be overwritten.

NORMAG 200510.50

MEASUREMENT/CONTROL

On the basis of the intelligent ALMEMO plugs all ALMEMO measuring devices have remarkable common properties:

There is a wide range of sensors, detectors and signals which can be connected at every input of every measuring device per thepatented ALMEMO plug system. No programming is necessary since all sensor data is stored in the plug and the measuring devi-ce will be automatically configured.

All devices have the same input switch for 60 measuring ranges, guaranteeing always the same measuring results.

All sensors can be calibrated, scaled and clearly named by the help of the sensor data store. Highest precision is reached withlowest costs and measuring faults are excluded.

The switching of the measuring points is done galvanic separated with absolute wear-free semiconductor relays. A continuousmeasuring point scanning with 10 measuring/second is possible without problems over a longer period of time.

Analogue and digital interfaces are not installed in the devices but in the plugs resp. connecting cables. The user can choose accor-ding to the requirements, between analogue outputs, different interfaces (RS 232, RS 422, RS 485; LWL, Current-Loop, Centro-nics, wireless), alarm signals or trigger inputs. It will be only use what is required and it can be used with all other ALMEMO devi-ces.

All measuring devices can be addressed via an interface and can be networked. An integrated distributor allows an easy assem-bling of up to 100 devices with network cables and the measuring capture over only one computer interface. For greater distancesare provided RS 422/485 driver and distributor. This system minimises the costs for devices and cables, and EMV problems. Itresponds quickly to every new task and can be extended.

The software protocol and the command scale are also the same for all devices. One terminal is sufficient to programme all para-meters and to scan the measuring data. Suitable output formats for printer or spread sheet analysis can be provided.

The ALMEMO devices differ in the case (manual device, bench case, 19''-unit, switch panel device, transmitter), the number ofinputs (1 to 250), display elements, output elements and operating elements and the power supply.

ALMEMO Data logger with 9 measuring inputs

ALMEMO 3290-8

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A wide range of software is available for further treatment of measuring on the PC.

The program AMR WinControl has been developed especially for data capture and further treatment with ALMEMO devices and per-mits the comfortable programming and operation of these devices. The captured data can be shown in diagrams, mathematical trea-ted, stored, printed and exported to other programs.

NORMAG 2005 10.51

MEASUREMENT/CONTROL

Main window of AMR WinControl

Do not hesitate to contact us if you have problems with measuring or a chemical process in the laboratory to be automated. Wewill be pleased to help you to find a solution.

The 32-byte version allows the optimal use of the features of WINDOWS 95/98 and WINDOWS NT.

The windows surface and the Online help guarantee a quick training and a safe working with the program.

Documents

10 MEASUREMENT/CONTROL - Laboratory Glassware