Where can I find a place to have toxic gas (sulfur dioxide) sensors calibrated or verified?
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I’m looking for a quality supervision agency or similar organization in the vicinity of North China that can carry out calibration and testing for toxic gases. The calibration of my toxic gas alarm sensors has expired and needs to be renewed; the quality supervision agencies in Shanxi Province are unable to conduct tests for sulfur dioxide – they can only test for hydrogen sulfide. I would appreciate it if anyone could tell me where I can have my sulfur dioxide toxic gas alarm sensors calibrated, along with the contact information of such agencies. Thank you very much.
Use what kind of toxic gas sensor? Change it to one for flammable gases! It’s much more convenient!
Flammable and toxic are not the same thing