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5 Conductivity Measurement

1) Short press to turn on tester. Rinse probe in distilled water and dry it.

2) Stir probe in the sample solution gently, leave it to stand. Get readings after the smile icon

comes up and stays.

3) Press to switch from Conductivity to TDS or salinity.

6 Notes

1) The tester adopts 84 µS (sold separately), 1413 µS and 12.88 mS standard calibration

solutions. Users can use 1-3 point calibrations as needed. For most circumstances,

calibrating in 1413 µS to complete 1st point calibration will meet testing requirements.

Calibration Icons

Calibration Solution

Measuring Range

84 µS/cm

0 to 200 µS/cm

1413 µS/cm

200 to 2000 µS/cm

12.88 mS/cm

2 to 20 mS/cm

2) 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 accuracy. When error is

large, calibrate it before using.

3) The factory default temperature compensation coefficient is 2.0%/˚C. Users can adjust it

in P3 parameter setting according to the following table or laboratory data.

Solution

Temp. Compensation Coefficient

NaCl

2.12%/˚C

5% NaOH

1.72%/˚C

Diluted Ammonia

1.88%/˚C

10% Hydrochloric Acid

1.32%/˚C

5% Sulfuric Acid

0.96%/˚C

Apera Instruments EC60 Manual

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