I would like to ask the forum members: For fixed toxic gas detectors, is it necessary to have them inspected by a third party once a year, and must such a third party possess CMA certification?

2020-06-20View Original

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I would like to ask the forum members: For fixed toxic gas detectors, which are required to be inspected by a third party once a year, does that third party need to have CMA certification, or is CNAS certification sufficient? Are there any relevant specifications? I’m confused why there’s such a big difference in the costs of CMA and CNAS certifications?

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I would like to ask the forum members: For fixed toxic gas detectors, is it necessary to have them inspected by a third party once a year, and must such a third party possess CMA certification?

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