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Question:

What is the coefficient of error for the 2.5 grade pressure meter?

What is the coefficient of error for the 2.5 grade pressure meter?

Answer:

The calculation formula is that: the pressure of the table - pressure of the standard table / standard meter, the pressure *100% is less than or equal to 2.5% to be qualified.
Table 2.5% of the range is an inaccurate thermometer
According to the "JJG52-1999 general pressure gauge, vacuum pressure gauge, vacuum meter" verification regulation, the maximum allowable error of the pressure gauge is the upper limit of the measurement times the pressure gauge class percentage (i. e. the upper limit * 2.5%)

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