May I ask about third-party certification agencies for pressure transmitters and temperature transmitters?
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What kind of organization are third-party certification agencies for pressure transmitters and temperature transmitters? Is it a **legal department?
It would be more appropriate to call it testing; **there are specialized agencies where samples can be sent for testing, and the costs are relatively high. Third parties generally only have the qualification for calibration, not for testing.
The local technical supervision bureau will suffice. Above that are the provincial-level **metrology and testing departments. The requirements aren’t high; it’s also acceptable to find a private testing agency to issue a calibration certificate
Actually, I feel that it **helps to create jobs; by handing over this testing function to third parties, it also relieves the statutory authorities of some of their workload.** Third parties must have the qualifications for testing.