We are often asked why a portable gas monitor sensor fails--especially when the instrument has hardly been used. This issue seems to be a source of endless frustration for those who aren't intimately familiar with gas detection technology. The first thing we need to understand is how gas sensors work.

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When asked what are the differences between the popular Honeywell BW Max XT II, Quattro and MicroClip XL gas detectors, we usually answer with differences in features. In this post, however, we want to take you under the hood of the three gas monitors.

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Two common questions we get are: What are the differences between the various gas sniffers that are available? Which gas sniffer should I use for my confined space entry application? There are two differences that are most relevant for the average application. The two differences are (1) Power Source, and (2) Sampling Method.

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What does it mean to calibrate a gas monitor? Why is calibration even necessary? How often is it to be performed? We answer all your questions about the calibration of your gas detector or confined space meter. Calibration saves lives. Don't neglect this crucial piece of gas detection safety.

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Do I need to bump test my gas detector? How often? How do I do it? In this post we finally answer all these questions, and show you the easiest, most inexpensive way to bump test your gas detectors.

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