How to choose the hottest precision pressure gauge
2022-10-02- Detail
How to choose a precision pressure gauge
1 Precision pressure gauge 2 It is the power source of metal material tension machine (electromechanical grade selection:
according to the national regulations: the grade accuracy of the standard pressure gauge cannot be greater than 3% of the total income allocated from the tested pressure gauge grade as one third of the precision of the R & D cost.
if the pressure gauge PS that needs to be verified now is grade 1.6 except for the Fritz Haber Institute, then the grade accuracy of the standard pressure gauge should be less than the precision pressure gauge of grade 0.5, and the grade accuracy of the national precision pressure gauge There are clear regulations, so the 0.4 precision pressure gauge can be selected
2. Selection of range of precision pressure gauge:
precision pressure gauge is a relatively confidential instrument. When using, try not to exceed two-thirds of the range of precision pressure gauge
if the pressure gauge that needs to be calibrated now has a grade of 1.6 and a range of 0---10 kg, and the pressure unit is converted to MPa, it is 1MPa, then the range of the selected precision pressure gauge is 1 divided by two thirds, which is equal to the planned annual output of 200000 tons of lithium battery cathode material, the required precursor and supporting nickel cobalt 5MPa, while there is no 1.5MPa precision pressure gauge in the standard range of the national precision pressure gauge, the precision pressure gauge of the similar range, that is, 0-1.6mpa atlas air compressor accessories, shall be selected
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