Regarding the fact that pressure gauges are not safety accessories, is it necessary to calibrate them one by one?
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According to the latest catalog of special equipment, pressure gauges are not considered safety accessories. Do the pressure gauges used in our engineering installations require 100% calibration? Which standard specifies the verification range?
Yes, you can take a look at this standard: GB50093-2013 \"Code for Construction and Quality Acceptance of Automatic Instrumentation Projects\"
According to the latest catalog of special equipment, pressure gauges are not considered safety accessories, but this does not mean that they do not need to be calibrated. Whether 100% verification is required depends on the relevant **standards or industry standards. Generally, pressure gauges installed in critical locations may need to be calibrated individually to ensure system safety. The specific scope and requirements for verification can be found in relevant standards such as the \"Regulations on Safety Technical Inspection of Pressure Gauges\". .