- 5 -
5. Battery Replacement
Please install batteries according to the following steps. *Please note the correct direction of battery
installation: The Positive Side (“+”) OF EVERY SINGLE Battery MUST FACE UP.
(WRONG INSTALLATION OF BATTERIES WILL CAUSE DAMAGE TO THE TESTER& BATTERY LEAK!)
4. Preparation before Use
5.1 Pull out the battery insulation slip, and take off the probe cap.
5.2 Rinse off the probe in pure water (preferably distilled or deionized water. RO water or tap water is
the alternative) , then shake off excess water.
5.3 Perform calibration. For pH calibration tutorial, refer to Section 6; for conductivity calibration,
refer to Section 8.
5.4 If the tester hasn’t been used for a long time (over 1 month), please soak the probe in the 3M KCL
soaking solution for 15 minutes, then calibrate it before test.
①
Loosen the battery cap lock
②
Pull off the battery cap
③
Slide and unlock battery compartment
④
Open the battery compartment
⑤
Insert the batteries (all POSITIVE sides FACE UP)
⑥
Press down the battery compartment
⑦
Slide and lock the battery compartment
⑧
Close on the battery cap
