Should a pressure transducer using gauge pressure or absolute pressure be chosen when the operating pressure is slightly negative?
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Should a pressure transducer using gauge pressure or absolute pressure be chosen when the operating pressure is slightly negative?
When selecting instruments, we generally use gauge pressure meters when the operating pressure is consistently below -50 KPa; otherwise, gauge pressure meters are used
Could you please tell me how this approach was considered? Thank you
Personally, it is more reliable to use an absolute pressure transmitter for measurement.