Matters Needing Attention
The instrument has been calibrated before leaving the factory, and the instrument must be recalibrated in the following cases.
1.Unused for a Long Time
The instrument has been used or left for a long time after calibration.
2.Use Frequently
Electrodes are used particularly frequently and require regular calibration.
3.High Measurement Accuracy is Required
For users with high measurement accuracy requirements, please calibrate before use. In order to ensure that the measurement accuracy meets customer requirements, please measure three or more times in the same project.
4.Do not long press the calibration button when not in use
Do not press and hold the calibration button often when not in use, the salinity tester can be placed in the box for more secure protection.