Pressure gauge use and maintenance

Pressure gauge use note:

1. The instrument must be vertical: it should be tightened with a 17mm wrench when installing, and should not be strongly twisted; avoid collision when transporting;

2, the instrument should be used in the ambient temperature of -25 ~ 55 ° C;

3, using the working environment vibration frequency <25HZ, the amplitude is not more than 1mm;

4. In use, because the ambient temperature is too high, the instrument indication value does not return to zero or the indication value is out of tolerance. The sealing rubber plug on the upper part of the case can be cut open to make the inner cavity of the instrument pass through the atmosphere;

5. The scope of use of the instrument should be between 1/3 and 2/3 of the upper limit;

6. In the measurement of corrosive medium, medium that may crystallize, medium with higher viscosity should be added with isolation device;

7. The instrument should be checked frequently (at least once every three months), and repaired if it is found to be faulty;

8. The instrument shall be repaired or replaced by the company if it is found to be ineffective or damaged due to poor manufacturing quality within half a year from the date of leaving the factory;

9. Instruments that measure corrosive media are required, and the requirements should be indicated when ordering.

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