Table of Contents
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Table of Contents
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Summary of Contents for Lovibond SensoDirect Con200
- Page 1 SensoDirect Con200 Conductivity/TDS/Salinity Meter Operating instructions...
- Page 2 Schleefstraße 8 a 44287 Dortmund Deutschland declares that this product Product name: SensoDirect Con200 with all optional items conforms to the following regulations: EN 55 022 : 6 / 1993 class B EN 50 082-1 (EN 61000-4-6, EN 61000-4-4, EN 61000-4-3,...
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Page 3: Table Of Contents
Table of Contents Page Scope of delivery ...............4 System description .............4 Connections ...............6 Display ................6 Keypad ................7 Startup ................7 Measurement ..............9 Configuration of the unit ..........1 0 ‘Unit’ ................1 0 ‘Auto Range’ - Automatic range selection ......1 0 Selection of temperature compensation ......1 0 ‘t.Lin’... -
Page 4: Scope Of Delivery
1. Scope of delivery Standard: • Lovibond SensoDirect Con200 ® • Batteries, 4*AA 1,5 V cells • Operating instructions Set: • Lovibond ® • Batteries, 4*AA 1,5 V cells • 4 pole measuring sensor • Carrying case • Operating instructions 2. - Page 5 EN 27888 or in linear mode. The system is cali- brated using Lovibond standard solutions. An internal memory for 20 results is integrated in the unit as standard. The memory stores location, result and temperature.
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Page 6: Connections
3. Connections Conductivity measuring cell 4. Display Main display: Result or user prompt [SAL] Salinity, g/kg [mg/l] Total Dissolved Solids [kOhm] Specific Resistance (1/conductivity) kOhm · cm [mS] Conductivity ms/cm [µS] Conductivity µS/cm Secondary display: Result - temperature or user prompt [°C/°F] Temperature unit ∆... -
Page 7: Startup
5. Operation [Meas] Continuous measurement, (standard setting) [Hold] Retain of current result [On/Off] On/Off Leaf through menu or [ ] [ ] memory or show maximum or minimum value [Cal] Calibration mode [Rcl] Display of stored results [Store] Storage of current result or acceptance of unit configuration [Menu] Unit configuration... - Page 8 If „bAt“ appears in the upper section of the display, this means that the batteries are completely empty. Only use the matching Lovibond conductivity elec- trodes! Other electrodes may cause serious damage to the meter and the electrode.
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Page 9: Measurement
7. Measurement Measuring mode MEAS After the unit is switched on, it is automatically in the standard measuring mode MEAS. You can “freeze” the result shown in the display by pressing the [Hold] key. If you press the [Hold] key once again, the meter swit- ches back to the continuous measuring mode. -
Page 10: Configuration Of The Unit
8. Configuration of the unit To configure the unit, press the [Menu] key. The first menu item appears. If you press the [Menu] key again, the display jumps to the next menu item. You can set the various parameters using the [ ] [ ] keys. -
Page 11: Selection Of Temperature Compensation
8.3 ‘Temperature Compensation’: Selection of temperature compensation off: no temperature compensation nLF: non-linear temperature compensation for na- tural water in acc. with EN27888 (DIN 38404). (for analysis of groundwater or surface, drin- king or ultrapure water) Lin: linear temperature compensation (for other aqueous solutions) Non-linear temperature compensation 25°C for natural water is always used for measurement of total dissolved... - Page 12 8.6 Input of TDS factor 0.40 ... 1.00: Conversion factor for TDS measure- ment. The conversion factor depends on the composition of the medium and needs to be determined separately for each type of water. 8.7 Cell Constant 1/cm The cell constant may change due to soiling, deposits or other mechanical influences on the measuring cell.
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Page 13: Calibration Of Conductivity Measurement
If, however, you establish deviations during tests, you can improve measuring accuracy by performing calibration. Lovibond standard conductivity solutions serve as a reference. These solutions have a defined conductivity of 1413 µS/cm. Standard solutions with other conductivity levels may also be used to calibrate the system. - Page 14 Performing calibration Prepare electrode and calibration solution. Clean the electrode using deionised water and dry carefully. Insert the electrode in the vessel containing the cali- bration solution and stir well. Starting calibration: Press [Cal] key. ‘CAL’ appears momentarily in the display, then the previous cell constant is shown briefly: You can terminate calibration at any time by pressing the [Meas] key or [Hold] key.
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Page 15: Restoring The Factory Calibration Setting
shown and the original calibration value is retained. • User calibration cELL • Manufacturing calibration CELL Restoring the factory calibration setting You can set the conductivity meter back to the factory setting by simultaneously pressing the [On/Off] and [Cal] keys when you switch the system on. 10. -
Page 16: Deleting Stored Results
As soon as you press the [Store], [Meas] or [Hold] key, the unit reverts to the corresponding measuring mode. 10.3 Delete stored results If you press the [Store] key for longer than 2 seconds, the unit switches to the delete menu [CLR]. You can use the [ ] [ ] keys to select the desired action and press the [Store] key to execute it. -
Page 17: Error Messages And Troubleshooting
11. Error messages and troubleshooting Display Cause Remedy Weak battery vol- Insert new batteries tage, the unit will only continue to function for a short time Batteries empty Insert new batteries Memory full Delete memory No display or Batteries empty Insert new batteries strange symbols Batteries incorrectly... - Page 18 Err.2 Below Check: can value be measuring range below admissible measuring range? -> Result too low! Sensor/ Electrode Send in for repair defective Display Cause Remedy Err.7 System error Send in for repair Err.11 Value could not be Temperature outside calculated the admissible temperature...
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Page 19: Technical Data
12. Technical data Parameter Indicating ranges Resolution Conductivity 0.0 ... 200.0 µS/cm 0.1 µS/cm 0 ... 2000 µS/cm 1 µS/cm 0.00 ... 20.00 mS/cm 0.01 mS/cm 0.0 ... 200.0 mS/cm 0.1mS/cm Specific Resistivity 0.005 ... 100.0 kOhm 0.001 kOhm · cm, 0.01 kOhm ·... - Page 20 • Calibration: 1-point calibration with conductivity solution in the range from 1000...2000µS/cm • Nominal temperature: 25°C • Operating temperature: unit: 0 to +50°C measuring cell: -5 to 80°C (short-term to 100°C) • Memory: Measured values are stored for the ranges „conductivity“, „resistivity“, „TDS“...
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Page 21: Accessories
120 mm long • CE: EN 55022: 6/1993 class B EN 50082-1 (EN 61000-4-6, EN 61000-4-4, EN 61000-4-3, EN 61000-4-2) 13. Accessories 722200 Lovibond SensoDirect Con200 basic instrument ® 722220 Lovibond SensoDirect Con200 Set ® 722225 Conductivity Sensor 4-Pole Technology 722250 Conductivity Standard 1413µS/cm... - Page 24 Tintometer GmbH The Tintometer Limited Lovibond Water Testing Lovibond House / Solar Way ® Schleefstraße 8-12 Solstice Park / Amesbury, SP4 7SZ 44287 Dortmund Tel.: +44 (0) 1980 664800 Tel.: +49 (0)231/94510-0 Fax: +44 (0) 1980 625412 Fax: +49 (0)231/94510-20 water.sales@tintometer.com...
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