Testing Oxygen Levels Under A Mask With An OSHA Air Quality Monitor (Video)

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https://www.youtube.com/watch?v=sMrOxPTpbC4

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1 thought on “Testing Oxygen Levels Under A Mask With An OSHA Air Quality Monitor (Video)”

  1. What brand meter is this? I can’t find anything even close. Amazon is so lame that when I do a search for an oxygen concentration meter I receive pages of pulse oximeters, Klein electronic ohm meters, etc. I would like to purchase one…

    Thanks,

    Reply

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