Compulsory inspection certificate

2021-02-07View Original

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On the mandatory inspection certificates for some measuring instruments, what kind of stamps are used? A few days ago, the reviewer mentioned the red stamp on calibration certificates and the steel stamp on inspection certificates; I’m not sure if there are any relevant regulatory guidelines regarding this

Reply #22021-02-08

Is it from the voltage transformer category? The inspections carried out by the Special Inspection Institute follow established procedures. There is a list of items subject to mandatory inspection

Reply #32021-02-09

The certificate for combustible gas alarms issued by the Quality and Technical Supervision Bureau is stamped with a steel stamp.

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Compulsory inspection certificate

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