USER MANUAL AD203 & AD204 EC Testers USER MANUAL
Contents
1. readings better resolution Automatic temperature compensation e Easy to read display www adwainstruments com Dear Customer Thank you for choosing an ADWA product Please read carefully this manual before starting operations For additional technical information please e mail us at sales adwainstruments com WARNING The enclosed product is intended for use by persons know ledgeable in safe laboratory practices Failure can result from surface damage improper pressure or temperature or use with improper chemicals Information concerning limitations of ADWA products can be obtained from ADWA Kft OPERATION 1 Remove the protective cap from the bottom of the tester 2 Press ON OFF button to turn the tester on 3 Place the tip of the tester into the sample to be measured 4 Record the conductivity value The tester will automatically compensate temperature variations 5 Press ON OFF button to turn the tester off CALIBRATION 1 Switch the tester on by pressing ON OFF button 2 Place the tip of the probe into the calibration solution and wait for reading to stabilize For AD203 use the 1413 uS cm conductivity solution For AD204 use the 12 88 mS cm conductivity solution 3 Using the screwdriver supplied adjust the calibration trimmer on the back of the tester to match the calibration standard value ForAD203 1413 uS cm ForAD204 12 88 mS cm 4 The tester is now ready to use2. ALWAYS USE A FRESH SOLUTION FOR CALIBRATION MAINTENANCE If readings became unstable clean the probe by rinsing it in alcohol for ten minutes If the readings fades or disappears batteries should be replaced BATTERY REPLACEMENT Open the battery compartment at the top of the tester Place the batteries noting the polarity listed in the battery compartment ACCESSORIES AD70030P 12 88 mS cm EC standard solution 25 x 20 ml 1413 uS cm EC standard solution 25 x 20 ml AD70031P OPERATION 1 Remove the protective cap from the bottom of the tester 2 Press ON OFF button to turn the tester on 3 Place the tip of the tester into the sample to be measured 4 Record the conductivity value The tester will automatically compensate temperature variations 5 Press ON OFF button to turn the tester off CALIBRATION 1 Switch the tester on by pressing ON OFF button 2 Place the tip of the probe into the calibration solution and wait for reading to stabilize For AD203 use the 1413 uS cm conductivity solution For AD204 use the 12 88 mS cm conductivity solution 3 Using the screwdriver supplied adjust the calibration trimmer on the back of the tester to match the calibration standard value ForAD203 1413 uS cm ForAD204 12 88 mS cm 4 The tester is now ready to use ALWAYS USE A FRESH SOLUTION FOR CALIBRATION MAINTENANCE If readings became unstable clean the probe by rinsing it in alc
3. SPECIFICATIONS AD203 0 to 1999 uS cm 1 uS cm 2 full scale Automatic 0 to 50 C 95 Relative Humidity 150 Hrs 4x1 5 V 173 x41 x22 mm 0 00 to 19 00 mS cm 0 01 mS cm 2 full scale Automatic 0 to 50 C 95 Relative Humidity 150 Hrs 4x1 5 V 173 x41 x22 mm ISTRAD203 09 14 USER MANUAL AD203 amp AD204 EC Testers e Direct readings better resolution e Automatic temperature compensation e Easy to read display www adwainstruments com Dear Customer Thank you for choosing an ADWA product Please read carefully this manual before starting operations For additional technical information please e mail us at sales adwainstruments com WARNING The enclosed product is intended for use by persons know ledgeable in safe laboratory practices Failure can result from surface damage improper pressure or temperature or use with improper chemicals Information concerning limitations of ADWA products can be obtained from ADWA Kft SPECIFICATIONS AD203 0 to 1999 uS cm 1 uS cm 2 full scale Automatic 0 to 50 C 95 Relative Humidity 150 Hrs 4x1 5 V 173 x 41 x 22mm 0 00 to 19 00 mS cm 0 01 mS cm 2 full scale Automatic 0 to 50 C 95 Relative Humidity 150 Hrs 4x1 5 V ISTRAD203 09 14 173 x 41 x 22mm USER MANUAL AD203 amp AD204 EC Testers e Direct
4. ohol for ten minutes If the readings fades or disappears batteries should be replaced BATTERY REPLACEMENT Open the battery compartment at the top of the tester Place the batteries noting the polarity listed in the battery compartment ACCESSORIES AD70030P 12 88 mS cm EC standard solution 25 x 20 ml 1413 uS cm EC standard solution 25 x 20 ml AD70031P
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