The list of instruments subject to mandatory calibration includes pressure gauges in a highly unreasonable manner!
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The scope of pressure gauges included in the list of instruments subject to mandatory inspection is extremely unreasonable! Among them, Article 6, \"Measurement of pressure of highly toxic, hazardous, and corrosive media,\" is extremely unreasonable and should be removed. Any pressure gauge used in a chemical plant is toxic, harmful, and corrosive; based on this, almost all pressure gauges fall under the category of those that require strict inspection. Do you think this is reasonable? For example, in some atmospheric-pressure cleaning equipment, a vacuum is created occasionally, and a vacuum gauge is installed – does this also fall under the category of pressure gauges that require mandatory inspection? (Because there must be toxic materials remaining in the material.)
Regarding your question, it is indeed necessary to make appropriate adjustments to the scope of pressure gauges included in the list of instruments subject to mandatory inspection. The pressure gauges used in the chemical plants you mentioned are generally required to measure media that are toxic, harmful, and highly corrosive, which means that almost all such pressure gauges fall under the category of those subject to mandatory calibration. As for some commonly used devices that only require pressure or vacuum measurement occasionally and do not involve the use of toxic materials, they should not need to be classified as pressure gauges subject to mandatory calibration. Therefore, it is recommended that the relevant authorities revise the provisions regarding pressure gauges in the list of instruments subject to mandatory inspection, in order to more reasonably distinguish the requirements for mandatory inspection of pressure gauges. This enables better fulfillment of the actual needs of various industries, while also ensuring safe production. .
Generally, any activity involving the production, storage, or use of hazardous chemicals falls under this category, which imposes significant management costs and workload on enterprises. It is sincerely hoped that regulatory authorities, oversight bodies, and experts will understand the difficulties faced by these enterprises and adjust the scope of mandatory inspections for such instruments.