Gas Monitoring

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Industrial Monitoring of Toxic Gases

There are many different types of gas analyzers in industrial settings, and most are designed for personnel protection or for environmental reporting. The gas monitors come in portable and stationary styles, single or multi-sensor versions. The major families of gas analyzers are covered in the selected categories of this section. They include:

Combustion Analyzers: Burning a fuel to produce energy, usually in oxygen, industrial applications of combustion include furnaces, ovens, kilns, boiler, and engines. The combustion of fuels is the basis of industry, and monitoring this process is a must in any organization. Combustion analyzers monitor efficiency of fuel usage, optimizing performance and saving money, as well as report on emmissions due to the differences in fuel types and incompete or imperfect burn.

Confined Space Monitors: A type of multi-sensor portable instrument designed to protect personnel while they are working in confined areas. These areas include, but are not limited to underground vaults, tanks, storage bins, manholes, pits, silos, process vessels, and pipelines. OSHA uses the term "permit-required confined space" (permit space) to describe a confined space that has one or more of the following characteristics: contains or has the potential to contain a hazardous atmosphere; contains a material that has the potential to engulf an entrant; has walls that converge inward or floors that slope downward and taper into a smaller area which could trap or asphyxiate an entrant; or contains any other recognized safety or health hazard, such as unguarded machinery, exposed live wires, or heat stress. A four-gas monitor typically senses oxygen levels, carbon monoxide, hydrocarbons (combustibles), and hydrogen sulfide--but most have the ability to switch out sensors and measure nitrogen oxides, sulfur dioxide, chlorine, ammonia and more.

Gas Leak Detectors: A type of portable gas detector that is designed to direct the user directly to the source of leak. Rather than a gas analyzer which reports the gas concentration on a digital display, the gas leak detector "points" the user toward a leak source by displaying the relative concentration of the gas as the detector is moved throughout the facility. Through a series of LCD concentration bars and/or a series of beeps, the user is gradually led to the source of even the smallest leak.