Do temperature instruments in petrochemical enterprises require periodic calibration?
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Do temperature instruments in petrochemical enterprises need periodic calibration, and how should the calibration interval be determined? How to meet the calibration requirements for temperature instruments in various safety inspections?
Yes, it is generally one year, and it requires a qualified entity to conduct the inspection
Yes, it’s usually checked and inspected every six months
Theoretically, it is necessary – seemingly once a year – but that’s not practical either. Some thermometers are only removed and replaced after they break; in most cases, a set of thermometers is used for testing, which can be considered sampling inspection.
Sampling inspections are generally carried out during major shutdown overhauls of equipment. Reattach the label,