Gauge pressure meters fall under the category of devices subject to mandatory inspection, but is there a defined range for such inspections?
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**There is a list of mandatory tests, but there are prerequisites for conducting these tests, which are relevant to trade settlement, safety protection, healthcare, and environmental monitoring； The question is: if the pressure gauge is installed on the water pipeline, or near a liquid pump, or on a hot water boiler, is forced testing still required? Is there any evidence?
Gauges installed on pipes and boilers, which are considered special equipment, are subject to mandatory inspection. Pressure gauges used to monitor pump operation are not subject to mandatory calibration.