Do newly purchased toxic and flammable probes in chemical enterprises need to be tested by a quality supervision agency?
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A new chemical plant is starting trial production; do the newly purchased toxic and flammable detectors need to be tested by a quality inspection agency (a third party)? Some say testing is required after one year of use, while others say it’s necessary right after installation ? Find the norm
Here, the products leave the factory with a certificate of conformity and can be used straight away; they are not subject to third-party testing.
This thing has no specific selectivity for gases either; many different gases can affect its output. It also lacks temporal stability – its accuracy drops significantly within just a month or so after calibration. So, no matter who calibrates it, it remains in the same poor condition, with its performance falling apart – that’s just its inherent nature
We first send it for testing and then return to install and use it
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We have to conduct inspections; otherwise, the safety supervision agency will trouble you