Pressure calibrator measurement data does not change the solution pressure calibrator measurement data does not change, the analysis of possible problems and solutions are as follows:

1. First check the pressure generator (piston pressure gauge, pressure source, etc.) interface, pressurize to ensure that the pressure generator is normal.

2. Check if the seal is damaged or not installed at the pressure port. Improper seals can lead to pressure leaks and no or very little change in measured data.

3. Check whether the pressure calibrator and the inspected table are connected. The inspection table may be disassembled first, and the interface of the inspection table may be plugged with a plug to check whether the pressure calibrator is normal. If it is normal, the interface of the inspection table is not connected or the interface of the table being checked is leaked.

If it is abnormal, the pressure calibrator is faulty and needs to be returned to the factory for repair.

4. If it is a pressure source, check that the pressure source shutoff valve is open, and if it is open, it needs to be closed. Piston gauges do not have this type of problem.

5. The pressure calibrator parameters are disturbed and the data display is abnormal. For example, the intelligent pressure calibrator of Aripik source instrument can restore the manufacturer's data through the instructions of the manufacturer. This feature is for reference only, because many manufacturers do not have such features.

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