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Operating Instruction
Sensortechnik Meinsberg GmbH
Quality System certified to DIN EN ISO 9001
Meinsberg, Kurt-Schwabe-Straße 6
D-04736 Waldheim/Germany
Draft
Manual
pH/Redox/ISE Meter
TM 40
Oxygen Meter
AM 40
Conductivity Meter
LF 40
Internet: www.meinsberg.de
Tel.:
Fax:
+49 (0) 34327 623 0
+49 (0) 34327 623 79
edition 13/11
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Table of Contents
Related Manuals for Sensortechnik Meinsberg TM 40
Summary of Contents for Sensortechnik Meinsberg TM 40
- Page 1 13/11 Draft Operating Instruction Manual pH/Redox/ISE Meter TM 40 Oxygen Meter AM 40 Conductivity Meter LF 40 Sensortechnik Meinsberg GmbH Quality System certified to DIN EN ISO 9001 Internet: www.meinsberg.de Meinsberg, Kurt-Schwabe-Straße 6 Tel.: +49 (0) 34327 623 0...
- Page 2 5. Info ..................................10 6. Interface HMG USB ............................. 10 7. Maintenance, Disposal ............................10 8. TM 40 ................................... 11 Application Fields TM 40 ........................... 11 Construction TM 40 ........................... 11 pH-Sensor EGA 142/TM 40 ........................11 Menu structure TM 40 ..........................11 Calibration pH ............................
- Page 3 9. AM 40 ................................... 17 Application Fields AM 40 ........................... 17 Construction AM 40 ........................... 17 Dissolved Oxygen Sensor MF 41-N/AM 40 ..................... 17 Menu structure AM 40 ..........................18 Calibration oxygen ............................. 19 9.5.1 Data input ............................. 19 9.5.2 Settings of the Temperature Offset ....................
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Page 4: Safety
Safety This Operating Instructions Manual contains fundamental information that should be observed in connection with the installation, start-up, operation and maintenance of the instrument in connection with the sensor. Therefore, it is absolutely vital for the user to read this manual prior to working with it. User qualification The meter has been designed for analytical measurements. -
Page 5: Sockets
Sockets 2 sockets for connecting the sensor and the” Interface HMG USB” are located on the front side of the instrument. Please use only the delivered original cable for the interface with the PC. For protecting the sockets against moisture and to avoid corrosion, the sensor should always be connected to the instrument and the “Interface HMG USB”... -
Page 6: Button, Display, Menu Structure, Password Protection
Button, Display, Menu structure, Password protection Operation elements The instrument features easy operation by means of 5 buttons only and a plain text menu structure. Graphic display Configuration Navigation <up> On/Off Calibration Enter Navigation <right> Information Data logger Navigation <left> Navigation <down>... -
Page 7: Configuration The Basic Settings "General
Display Battery bar Fix temperature active display only LF 40: Temperature compensation Main Measurement value Temperature Second Measurement value Min / Max Date / Time Main Measurement value Password protection The calibration menu (CAL) and the configuration menu (CONF) are password-protected. ... -
Page 8: Configuration Pass Word
Configuration pass word For configuration of the password do the following steps: 1. Open menu „general“ 2. Select „Pass word“ and enter your new pass word 3. Retry the new pass word Select the position you would like to change by using the buttons and change with Press the -button to accept and save the entry. -
Page 9: Data Logger
Data logger The device has an integrated data logger with real-time clock. So it is possible to save the last about 4.000 data sets (date, time, main measurement value, second measurement value, temperature). The saved data can be either displayed directly in the device display or transferred by the USB-interface. To configuration the data logger do the following steps: 1. -
Page 10: Info
/ electrodes. Please send us the old measuring instruments and sensors for disposal. Sensortechnik Meinsberg GmbH takes it back free of charge and recycles/disposes the electronic scrap in a competent way. Do not dispose your old measuring instruments in household refuse, this is illegal. -
Page 11: Application Fields Tm 40
(pH combination electrodes, redox combination electrodes or electrodes supplied from other manufacturers with BK plug) can be used in connection with TM 40. The isopotential point (25deg) of the used electrodes must be pH 7. Platinum combination electrodes with Ag/AgCl reference system with 3 mol/l KCl electrolyte are recommended for redox potential measurements.(i.e. - Page 12 Redox pass word Calibration input temp.offs. back Offset CAL INFORMATION pass word Calibration input temp.offs. two point back slope meas.val. input.val. back CAL INFORMATION 12/27...
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Page 13: Calibration Ph
Menu structure Configuration pass word Configuration data logg. temperature general back sensortype Intervall fixed temp. backlight automatic temp.-value password Redox back back clock language off time back Calibration pH Open with + password the calibration menu. All kinds of calibration method will be displayed. Choose now your method. Take note of temperature compensation for all calibration methods. -
Page 14: Settings Of The Temperature Offset
The automatic calibration of the pH measurement is a two-point type and requires knowledge of what buffer solution group you want to use. The TM 40 offers the following buffer solution groups for calibration: NBS standard buffer solution as per DIN 19266: pH value at 25 °C 1.68 / 4.01 / 6.86 / 9.18 / 12.45 Technical buffer solution as per DIN 19267: pH value at 25 °C 1.09 / 3.06 / 4.65 / 6.79 / 9.23... -
Page 15: Calibration Error
8.5.5 Calibration error In the TM 40 predefined ranges for the calibration values are stored. If the determined calibration value is out of the range the message !Out of limit! appears in the calibration information CAL INFORMATION. The determined calibration value will be stored nevertheless, so that the measuring and controlling is secured. -
Page 16: Two-Point Calibration „Two Point
As a result, you will now be given the new calibration values that will be save in the device. To cancel the input dialogue without saving the value press Configuration TM 40 Open with + password the configuration menu. -
Page 17: Configuration Of The Sensor Type
8.8.2 Configuration of the sensor type The TM 40 can be connected with pH, ORP or ISE electrodes. The used sensor type has to be configured in the device. For configuration of a sensor type do the following steps: 1. open menu „sensortype“... -
Page 18: Menu Structure Am 40
Basic body Shaft Fix cable with plug Membrane head Menu structure AM 40 Menu structure Calibration Password Calibration input automatic temp.Offs. one point back slope B<20°C B>20°C back CAL INFORMATION 18/27... -
Page 19: Calibration Oxygen
Menu structure Configuration pass word Configuration data logg. temperature Main value general intervall fixed temp. backlight automatic temp.-value password mg/l back back clock language off time back Calibration oxygen Open with + password the calibration menu. All kinds of calibration method will be displayed. Choose now your method. Please take note for all calibration method the temperature compensation. -
Page 20: Settings Of The Temperature Offset
9.5.2 Settings of the Temperature Offset This menu item enables you to set a temperature value offset. For this purpose open the menu item “temp.offs”. Now, an input dialogue will be displayed which facilitates the setting. The offset can be positive or negative. Select the position you would like to change by using the buttons and change with Press the... -
Page 21: Configuration Am 40
Configuration AM 40 Open with + password the configuration menu. Select the menu item you would like to configuration. data logg temperature main value general back 9.6.1 Configuration of the fix temperature For calculating the analysis parameter O a temperature compensation is always necessary. For that the temperature of the measuring and of the calibration fluid must be measured or a fix temperature must be configured. -
Page 22: Application Fields Lf 40
10. LF 40 Application Fields LF 40 10.1 The LF 40 measures the electrical conductivity, the salinity and the temperature in accordance with the German standard methods for the examination of water, waste water and sludge and combines the features for mobile application in the field with the precision and comfort of a laboratory meter. -
Page 23: Calibration Conductivity
Menu structure Configuration pass word Configuration data logg. temperature general meas.range interval fixed temp. backlight 200 µS automatic temp.-value pass word 2000 µS 20 mS Reset back clock 500 mS back language Auto Off time back Calibration conductivity 10.5 Open with + password the calibration menu. -
Page 24: Settings Of The Temperature Offset
Settings for temperature compensation: Lin : Linear temperature compensation with adjustable temperature coefficient nLF: non-linear temperature compensation for natural water according to DIN EN 27888. off: For measuring without temperature compensation the temperature coefficient in Lin must be set at „0 %/K“. ... -
Page 25: Automatic Calibration „Automatic
10.5.4 Automatic calibration „Automatic“ The automatic calibration of the conductivity measurement is a single-point calibration. The temperature-correction-curves for the following conductivity standard solutions are stored in the LF 40: Conductivity Standard Solution 0,01 N KCl: 1,41 mS/cm (25 °C) Conductivity Standard Solution 0,1 N KCl: 12,9 mS/cm (25 °C) At first, you will be prompted to dip the sensor into the corresponding calibration medium. -
Page 26: Specifications
Dimensions 200 x 95 x 40 mm (B x H x T) Weight 290 g incl. batteries Measuring range TM 40 pH 0 … 14, -1999 … 1999 mV Temperature: -10 … 100 °C Measuring range AM 40 0 … 200 %, 0 … 20 mg/l Temperature: -10 …... -
Page 27: Delivery Volume
12. Delivery volume TM 40/Set - pH- / Redox- / ISE- / temperature- pocket meter TM 40, incl. batteries - pH- / temperature- sensor EGA 142/TM 40 - case with accessories (buffer solution, KCl-solution) - Manual TM 40 - pH- / Redox- / ISE- / temperature- pocket meter TM 40, incl. batteries...
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