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3. Calibration
3.1 Rinse the probe in distilled water and dry it with a clean
tissue. Short press
to turn on the tester.
3.2 Long press
to enter calibration mode; Short press
to exit.
Diagram - 3
3.3 Dip the probe into 1413 µS/cm calibration solution. Stir gently, leave it to
stand, LCD displays
(Diagram 3), short press
to complete 1-point
calibration. The tester returns to measuring mode, and calibration icon
appears at the bottom left of LCD.
3.4 Rinse probe in distilled water and dry it. Follow the steps in 4.2-4.3 to
nd
complete 2
point calibration in 12.88 mS/cm calibration solution, tester returns
to measurement mode, calibration icons
display on bottom left of LCD.
4. Conductivity Measurement
4.1 Short press
to turn on tester. Rinse probe in distilled water and dry it
with a clean tissue to remove excess water.
4.2 Stir the probe in the sample solution gently, leave it to stand. Get readings
after the smile icon comes up and stays.
4.3 Rinse off the tester thoroughly in distilled water after each test.
5. Notes
5.1 If it's first time use or the tester hasn't been used for a long time, we
recommend soaking the probe in 12.88 mS/cm solution for 15-30 minutes to
restore its sensitivity and speed up the response time.
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