Product Description pH Reset:
1. Shut off meter,press HOLO/TEMP and MODE/CAL simullaneously don't release
2. Press ON/OF and release all buttons reset is finish. Attention:
1. It has been calibrated by factory use it directly.
2. After finished clan the electrode with pure water and Keep it dry
3. Stir gently several items to ensure no air bubble around the electrode
4. Do no disassemble the mete without permission to avaid damage
5. Keep it dry
6. if pH calibration is wrong,please reset
