Compulsory inspection of pressure gauges
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May I ask which pressure gauges are subject to mandatory calibration?
Gauges on pressure vessels and pressure pipelines
Gauge pressure meters used in safety protection, environmental monitoring, healthcare, and trade settlement are measuring instruments subject to mandatory calibration.
However, it seems that these four types are no longer available in the plant area these days. I’m not sure if there are any systems for trade settlement in the tank areas or at the docks; the ordinary 1.5 type requires a precision level of over 1.0, I’ve never worked with such systems so I’m not sure
There are also standard pressure gauges that belong to measurement standards
Trade settlement is like a flow meter; it’s not done using pressure gauges, right?
There is a category of pressure gauges designed for safety protection that are used for measuring toxic, harmful, and highly corrosive media. But what exactly does it mean to be toxic, harmful, and highly corrosive?
For example, on special equipment, or those that serve such equipment – things like safety valve blast discs and pressure gauges, boiler drum pressure gauges, as well as the pressure gauges that your company has identified as being related to major hazard factors that require monitoring.
Is it the company itself that decides to classify a factor as a major hazard, or is there some basis for such determination?
Some major risk factors are assessed by the company itself, while others are **specified**