Analysis and Troubleshooting of PH Meter Malfunctions

1. Controller without display?

Answer: Check if the power cord is connected correctly and if the power is supplied.

2. Display numbers jumping up and down?

Answer: Check if there are any interference devices such as frequency converters around, and be careful to stay away from these interference devices Or take appropriate shielding measures.

3. PH instrument cannot be calibrated?

Answer: The standard solution is not prepared correctly or the electrode is damaged.

4. After calibration with standard solutions PH4.00, PH6.86, and PH9.18, is the test inaccurate?

Answer: Is the standard solution contaminated? Replace the standard solution and recalibrate.

5. Slow response to numbers?

Answer: If the electrode bubble is covered by dirt, the reaction will slow down. Please classify according to the type of pollutant Cleaning should be done in a proper manner, and being slow in winter is a normal phenomenon.