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Deciding which type of gas monitor is right for you depends on what you need it to specifically detect. For use in confined spaces there is an excellent new portable gas detector that can detect combustibles (LEL), oxygen, and toxics. It’s the ALTAIR 4XR, a new multi-gas monitor designed and engineered by MSA for detection of LEL, O2, H2S, CO, with multiple toxic gas sensing options available. The most common applications of this monitor include fire services, industrial, oil and gas refin …

The Occupational Safety and Health Administration (OSHA) would like your gas detectors calibrated before each use. A full calibration for a 4-gas monitor requires about $6.60 worth of calibration gas, and takes about 5 minutes. This should be all the answer anyone needs, but in practice if your company has 500 monitors, it isn’t always practical and OSHA and ANSI know it. In text attempting to clarify the issue, the two regulatory agencies submit that it is best to follow the manufactur …