Operating instructions Contact gauge KL 010 TCM
Contents
1. press the W T button select the next number press the button set the next number press the W button set the other numbers as described above Select menu point back press the amp button several times Enable menu point back press the lt button Exit the Basic settings menu repeat both previous steps Switch off the device press the button TC factor J without TC lt nat water w factor 0 30 back TDS factor remove TDS lt display TDS factor 0 65 back calibration Std 1 413 mS cm lt manual 2 0 000 mS cm execute back language German lt English back factory setting dl i yes back sensitivity kd level 1 lt level 2 back TC factor without TC The contact gauge displays the conductivity values measured without a tempe rature compensation In this way the conductivity values are referenced to the temperature measured at the same time in each case nat natural water The contact gauge automatically references the conductivity values measured in accordance with the DIN EN 27888 standard to a reference temperature of 25 C You can use this setting for measured values up to approx 1 100 mS cm at 25 C factor If you would like to measure a special solution contaminated or strongly saline water you have to individuall2. on Switch off the device press the button le dle sl E Screw cap 8 Cleaning the contact gauge Clean the measuring tape at regular intervals depending on how dirty it is by simply wiping with water or soap solution Where necessary you can also use a soft brush Carefully clean the measuring probe with a brush and soapy water In doing so do not damage the conductivity measuring cell with sharp or metallic objects You can likewise clean the frame and drum with water or soap solution Howe ver the frame must not under any circumstances be immersed in water After using the contact gauge in heavily contaminated or saline water e g che cking for seepage near a household waste site Thoroughly rinse the measuring tape and the measuring probe with clear water 9 Calibrating the conductivity measuring cell The conductivity measuring cell of the KL 010 TCM is calibrated at the factory Where necessary you can calibrate the conductivity measuring cell with an indivi dual any conductivity value or standard calibration solution 1 413 mS cm Calibrate the conductivity measuring cell as follows Switch on the device press the button Put the calibration solution into the calibration container accessory filling height approx 3 4 The calibration solution should be at the surrounding temperature Place the measuring probe
3. 9 5 24 322 250 9 5 24 322 500 9 5 24 110 040 4 5 24 110 041 4 5 55 445 025 9 2 55 495 352 9 5 96 800 003 9 5 Fig 1 The KL 010 TCM contact gauge is available in two designs design 1 up to 100 m measuring tape length design 2 from 150 m measuring tape length 3 Introduction The KL 010 TCM contact gauge is used for fast and accurate determination of the water level in groundwater measurement stations Furthermore it also determines the temperature and the specific conductivity of the water body lt is useful for example both for control measurements in observation wells or wellhead shafts depth measurement as well as for the continuous monitoring of pump tests In the same way it is possible to record temperature and conductivity profiles The contact gauge is equipped with a backlit LCD display a signal LED and an acoustic signal generator The electrical conductivity is dependent on the temperature of the water To make measurements comparable the measured conductivity must be referred to a refe rence temperature via a temperature compensation The KL 010 TCM offers vario us setting possibilities for this Furthermore it is in the position to calculate a TDS value from the electrical con ductivity and to show it on the LCD display TDS Total Dissolved Solids concen tration of all the ions dissolved in the water unit ppm parts per million Design 1 4 Starting up OTT suppl
4. M contact gauge 6 Carrying out the measurement Safety information Only use the contact gauge for measurements in water or aqueous liquids hydrometry Never use the contact gauge in combustible liquids Avoid contaminating the groundwater when using a contact gauge Do not kink the measuring tape Danger of breakage Carry out a measurement as follows Switch on the device press the button Unscrew the star grip bolt transport retainer Lower the measuring tape with the measuring probe by operating the hand crank for example into the observation well when the measuring probe tou ches the water surface an acoustic signal sounds for approx 10 seconds the signal LED lights and the LCD display shows the temperature and conductivity values Lowering the measuring probe further allows the temperature and con ductivity profiles to be determined Moving the measuring tape up and down a few centimeters allows the exact water level to be detected The distance bet ween reference level e g upper edge of top cap and the water surface is read off the measuring tape in meter and centimeter Pull the measuring tape with measuring probe out of the observation well by operating the hand crank Clean the measuring tape and probe as necessary See Cleaning the contact gauge Place the measuring probe into the holder for storage Tighten the star grip bolt Switch off the device press the button Fig 4 Ch
5. Operating instructions Contact gauge KL 010 TCM SZ D D Q y NS se 4 D Win Se oo Ee WAN Ze Ss a a a Ze ee Je Table of contents 1 Scope of supply 2 Order numbers 3 Introduction 4 Starting up 5 Making basic settings 6 Carrying out the measurement 7 Changing batteries 8 Cleaning the contact gauge 9 Calibrating the conductivity measuring cell 10 Troubleshooting 11 Technical data 10 1 Scope of supply KL 010 TCM 1 contact gauge for measuring the water level the water temperature and the electrical conductivity 41 5 V batteries type LR 14 C AM 2 1 set of operating instructions 2 Order numbers KL 010 TCM Accessories Consumable materials Contact gauge 30m measuring range design 1 50m measuring range design 1 100 m measuring range design 1 150 m measuring range design 2 200 m measuring range design 2 250 m measuring range design 2 500 m measuring range design 2 Protective carrier small for design 1 up to 100 m measuring tape length in coated nylon Protective carrier large for design 2 from 150 m measuring tape length in coated nylon Calibration container for calibration of the conductivity measuring cell Conductivity calibration solution 1 412 mS cm 1000 ml Alkaline battery LR14 C AM2 4 pieces required 24 322 030 9 5 24 322 050 9 5 24 322 100 9 5 24 322 150 9 5 24 322 200
6. anging batteries design 2 Please note Always measure the conductivity in the area of the observation well filter An exchange of water with the surrounding aquifer is only ensured in this area and changes in the conductivity can be detected in good time 7 Changing batteries Please note Dispose of used batteries properly Never place batteries in the normal household waste How to check the battery capacity Switch on the device press the button gt the LCD display shows the remai ning battery capacity available in bar graph display Recommendation Replace the batteries when the battery capacity is lt 10 For environmental temperatures below 0 C replace earlier How to replace the batteries Design 1 Switch off the device press the button Unscrew both screw caps Remove empty batteries Ensure correct battery polarity Insert two new 1 5 V batteries type LR 14 C AM 2 into the battery compart ments Each plus terminal must point towards the screw cap Screw both screw caps back in the device switches itself on Switch off the device press the button Design 2 see Fig 4 Switch off the device press the button Unscrew the screw cap Remove empty batteries Ensure correct battery polarity Insert four new 1 5 V batteries type LR 14 C AM 2 into the battery compart ment Each plus terminal must point towards the screw cap Screw the screw cap back in the device switches itself
7. ap water when trouble shooting LCD display shows no values No signal tone Batteries are completely discharged replace the batteries The LCD display does not show the TDS value The TDS value is hidden gt call the Basic settings menu and display the TDS value The contact gauge does not recognize the water surface The sensitivity setting has been incorrectly selected call the Basic settings menu and select the sensitivity appropriate to the local conditions Conductivity value is not plausible Conductivity measuring cell is dirty clean the complete measuring probe and then carry out a test measurement e g in calibration solution If deviations continue gt re calibrate the conductivity measuring cell For all other faults or damage to the contact gauge gt have the contact gauge checked and repaired by the OTT Service Department 11 Technical data Measuring tape Type Material Markings Measurement accuracy Drum material Frame material Design 1 Design 2 Power supply Operating temperature range Recommended storage temperature Measuring range measuring tape length Signaling Temperature sensor Measuring range Measuring accuracy Conductivity measuring cell Measuring range Measuring accuracy Measuring probe Material Diameter Length Protection class for measuring tape drum Weight 2 strand conductor in high strength rust and acid resistant stainless steel wires White polyethy
8. ies the KL 010 TCM contact gauge ready to use with batteries inserted Before initial startup various basic settings must be checked and adapted to the individual circumstances on location as necessary Type of temperature compensation for the conductivity measurement Display remove the TDS value Language of the LCD display Sensitivity when recognizing the water surface You can leave the batteries in the unit between measurements However you must switch off the contact gauge after use by pressing the button no automatic switching off For extended storage we recommend that the batteries are removed from the device there is a danger of leakage even with high quality batteries Fig 2 Structure of the Basic settings menu Enabling of a function identified with a ends the Basic settings menu 5 Making basic settings How to make the basic settings for the contact gauge Switch on the device Press the button Call the Basic settings menu Press the lt button Select the required menu point Press the W button several times return to top press the button Enable menu point press the button Select the required function Press the amp button several times return to top press the button Enable function press the button Select the individual factor as required and set TC TDS Enable menu point factor press the 4 button gt the first number blinks set the first number
9. into the calibration container Call the Basic settings menu press the button Select menu point calibration press the button twice Enable menu point calibration press the lt button With standard calibration solution Check whether menu point Std 1 413 mS cm is selected marked lt Select menu point execute press the X button four times Enable menu point execute press the button the conductivity measuring cell is re calibrated and the Basic settings menu closed With individual calibration solution Select menu point manual press the 4 button twice Enable menu point manual press the button marked lt Select the line with the calibration value press the W button Start entering the calibration value press the button the first number blinks Set the first number press the amp T buttons Select the next number press the lt button Set the next number press the 4 T buttons Set the other numbers as described above Select menu point execute press the W button Enable menu point execute press the button gt the conductivity measuring cell is re calibrated and the Basic settings menu closed Take the measuring probe out of the calibration container rinse with clear water and dry Switch off the device press the button Dispose of the used calibration solution 10 Troubleshooting Test the contact gauge in a suitable container with clear t
10. lene Meter scale red cm divisions 1 cm narrow line 5 cm wide line and dm numbers 10 cm black 0 1 of measured value Special plastic high strength resistant to cold Cast aluminum steel Special plastic high strength resistant to cold 6 V DC 4 batteries 1 5 V type LR 14 C AM 2 alkaline mangane se operating life approx 180 hours 20 C 75 C 5 C 30 C best for the batteries 25 m 500 m 8 levels LCD display 3 line bar graph display for battery state LED acoustic signal generator 1 C 70 C 0 1 C O 200 mS cm lt 0 5 of measured value at least 2 mS cm Stainless steel 20 mm 238 mm incl kinking protection 272 mm IP 64 approx 3 7 kg 30 m approx 14 5 kg 500 m 11 We reserve the right to make technical changes and improvements without notice Document number 24 322 000 B E 01 0511 OTT Hydromet GmbH Ludwigstrasse 16 87437 Kempten Germany Tel 49 831 5617 0 Fax 49 831 5617 209 info ott com www ott com
11. y determine the temperature coefficient To do this measure the conductivity of a solution at two different temperatures for example at 15 C and 25 C and determine the temperature coefficient using the deviation of the conductivity value in C Factory setting 0 30 TDS factor remove TDS The contact gauge does not show the TDS value in the LCD display display TDS The electric contact gauge calculates the TDS value from the conductivity mea sured and shows it in the LCD display The calculation is made using the equa tion TDS ppm 0 65 x electrical conductivity mS cm This equation is valid for an influence on the measurement medium by sea water factor For special applications you can change the factor in the equation Factory setting 0 65 Calibration See individual Chapter Language Enabling a language immediately changes all texts in the LCD display to the selected language German English Factory setting Enabling this function calls the factory setting for the TC and TDS factors and res tores the factory calibration yes Sensitivity The contact gauge recognizes the water surface by a change in conductivity For this it is necessary to adapt the recognition sensitivity of the contact gauge to the conductivity of the measuring medium level 1 0 to approx 6 mS cm level 2 2 mS cm to approx 200 mS cm Fig 3 Application example of a depth measurement with the KL 010 TC
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