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| How to choose a pressure gauge |
| 2011-6-30 17:11:08 |
The selection of the pressure gauge should reasonably select the type, model, range and accuracy level of the pressure gauge according to the requirements of the production process. The main considerations when choosing are:
(1) Differentiate according to whether the pressure of the measured medium is stable. The maximum pressure value of the medium when measuring stable pressure should not exceed 2/3 of the full scale of the pressure gauge . In order to ensure the measurement accuracy of the pressure gauge , the pressure value of the measured medium should not be less than 1/3 of the full scale of the pressure gauge.
(2) Determine the accuracy of the pressure gauge according to the maximum measurement error allowed by the production process index. On the premise of meeting production requirements, do not choose instruments with high accuracy.
(3) When selecting, it is necessary to consider the nature of the medium to be measured and choose a general-purpose pressure gauge and a special-purpose pressure gauge.