Question about Industrial Scientific Mx4 Iquad Portable Gas Detector Lel H2s And O2

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Gas badge pro error 4198 (H2S Detector) HELP !

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I can only offer a user manual to the device. The next to last page of the manual lists contact information by country. You might see if you can get the answer from a listed source.
A prior Fixya answer offers the following:

A reading of 221 ppm carbon monoxide gas is a dangerous level that should be taken seriously. You could try a new battery and reset the detector.

Posted on Jun 19, 2019


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Posted on Jan 02, 2017


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1 Answer

My Kidde Nighthawk Carbon Monoxide detector was beeping shrilly and read gas. When pressed the reset button it read 221. Problem was it was sitting facedown in a box (i'd just taken it from my old...

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A new carbon monoxide detector is a small investment that may prevent carbon monoxide poisoning or death.

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1 Answer

Error code keeps coming up on nighthawk carbon monoxide detector

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If the error code keeps coming, it may mean that you have a defective unit. If the unit is new, you should be able to get a replacement where you boutht it. A unit that is more than 5 to 7 years old should be replaced, see manufacturer recommendations.

Browse my website for more information or for buying a replacement for a new Carbon Mononxide Detector.

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