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10. Warranty 

We warrant this instrument to be free from defects in material and workmanship 

and agrees to repair or replace free of charge, at option of APERA INSTRUMENTS 

(Europe) GmbH, any malfunctioned or damaged product attributable to 

responsibility of APERA INSTRUMENTS (Europe) GmbH for a period of two years 

from the delivery (a six-month limited warranty applies to probes). This warranty 

does not apply to defects resulting from actions such as misuse (violation of the 

instructions in this manual or operations in the manner not specified in this manual), 

improper maintenance, and unauthorized repairs. Warranty period is the time limit 

to provide free service for the products purchased by customers, not the service life 

of the tester or probe. 

 

Apera Instruments reserves the right to update the information in this manual without giving notice in advance. 

 

 

 

 

 

 

 

 

 

APERA INSTRUMENTS (Europe) GmbH 

Address: Wilhelm-Muthmann-Str.15 

42329 Wuppertal Germany 

Email: [email protected] 

Website: www.aperainst.de 

Tel. +49 202 51988998 

Summary of Contents for TDS1

Page 1: ...TDS1 Pocket TDS Tester Instruction Manual APERA INSTRUMENTS Europe GmbH www aperainst de ...

Page 2: ...Keypad Functions Short press 2 seconds Long press 2 seconds 1 Short press to turn on long press to turn off 2 When turned off long press to enter setup 3 In mode setting short press to change parameter 1 When turned on long press to enter calibration mode 2 In calibration mode short press to confirm calibration 3 In mode setting short press to confirm parameter selection Diagram 1 ...

Page 3: ...am 3 short press to complete 1 point calibration The tester returns to measuring mode and calibration icon appears at the button left of LCD 4 4 Rinse probe in distilled water and dry it Follow the steps in 4 2 4 3 to complete 2nd point calibration in 12 88 mS calibration solution tester returns to measuring mode calibration icons display on bottom left of LCD 5 TDS Measurement 5 1 Short press to ...

Page 4: ...ration solution which exceeds the recognizable range of the meter 1 Check if calibration solution is correct 2 Check if probe is damaged is pushed before measurement is stable comes up Wait for the smile icon to stay and then short press 6 3 The tester has already been calibrated after manufacture Usually users can use the tester right away or test it in the calibration solutions to test its accur...

Page 5: ...TDS Factor 0 100 μS cm 0 60 100 1000 μS cm 0 71 1 10 mS cm 0 81 10 100 mS cm 0 94 b P2 Select temperature unit In P1 mode press to enter P2 press or flickering press to choose press to confirm parameter selection Long press to return to measurement mode c P3 Restore to factory default No Yes In P2 mode press to enter P3 press No flickering press to choose No Yes press to confirm parameter selectio...

Page 6: ...acy 0 5 C 9 Other Functions Parameters Indication of calibration points Auto Power off Power off in 8 minutes if no operation Indication of stable measurements Waterproof level IP67 floats on water Self Diagnosis information Er1 Er2 Power Supply AAA batteries 4 Low battery reminder Flashes to remind to replace batteries Battery Life 1000 hours Dimensions Weight Instrument 40 31 178mm 107g Carrying...

Page 7: ...to defects resulting from actions such as misuse violation of the instructions in this manual or operations in the manner not specified in this manual improper maintenance and unauthorized repairs Warranty period is the time limit to provide free service for the products purchased by customers not the service life of the tester or probe Apera Instruments reserves the right to update the informatio...

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