2. Keypad Functions
■Short press------- < 2 seconds
■Long press-------- > 2 seconds
3. Complete Kit
Things needed in addition to what’s in the box
A clean cup, distilled water (8-16oz), and tissue papers for rinsing and drying the
probe.
4. Calibration
4.1 If it’s first time use or the tester hasn’t been used for a long time, pour some
pH 4.00 solution to the Fill line in the probe cap, soak probe for about 15 minutes
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.