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4. Keypad Functions
■
Short
press------
< 2 seconds ,
Long press-------
> 2 seconds
5. Preparation before Use
Pull out the battery insulation slip, and take off the probe cap.
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.
Perform calibration. For pH calibration tutorial, refer to Section 6; for conductivity calibration,
refer to Section 8.
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.
6. pH Calibration
Short press
to turn on the meter; rinse the probe in distilled water, Shake off excess
water
1. When turned off, short press to turn on the tester; long
press to enter parameter setting.
2. In calibration mode or parameter setting, short press to
return to measurement mode.
3. In measurement mode, long press to turn off the tester,
short press to turn on/off backlight.
1.In measurement mode, long press to turn on/off
Bluetooth
®
receiver. When turned on, will be flashing;
when connected to smartphone, will stay on.
2.In parameter setting, short press to change parameter
(Uni-directional).
1. Long press to enter calibration mode.
2. In calibration mode, short press to confirm calibration.
3. In measurement mode, when automatic lock is turned off,
short press to manually lock or unlock readings.
Battery Cap
Buttons
Probe
Probe Cap
LCD
Display
