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2020-12-21Hydrogen vs. Helium Leak Detection. Helium sniffing was the preferred method of tracer gas leak detection for many years. However, increased equipment cost and helium availability has limited the applications in which tracer gas could be used. As a result, users have had to employ less sensitive technology methods.

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The HHAQ-107 VOC meter is ideal for making general measurements of mixed gas volatile organic compound (VOC) levels as part of an indoor air quality (IAQ) maintenance program. Much less expensive than photo-ionization meters designed to make ...

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2017-8-4ConspectusHydrogen gas (H2) is odorless and flammable at concentrations above 4% (v/v) in air. Sensors capable of detecting it rapidly at lower concentrations are needed to "sniff" for leaked H2 wherever it is used. Electrical H2 sensors are attractive because of their simplicity and low cost: Such sensors consist of a metal (usually palladium, Pd) resistor.

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The Midas Gas Detector uses reliable sensor technology to detect many key toxic, ambient and flammable gases in a plant. The device monitors points up to 100 feet (30 meters) away while using patented technology to regulate flow rates and ensure error-free gas detection.

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