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Get PriceCarbon MonoxideChlorineEthylene OxideFormaldehydeHydrogen ChlorideHydrogen PeroxideHydrogen SulfidePeracetic Acid [aka Peroxyacetic acid]Sulfur DioxideOSHA specifies an 8-hour TWA of 50 ppm. Setting the system alarm at 50 is not recommended, unless the workplace concentration is always teetering just below this level, and compliance with the 50 ppm standard is truly an issue.Although OSHA does not define a STEL or ceiling value for CO, NIOSH does, and it is 200 ppm. Absent the condition of meeting the 50 ppm standard, a more prudent course would be to set alarm-1 (the warning alarm level) at 100 ppm and alarm-2 (the danger alarm level) at 2...See more on gasdetection.com[PDF]STANDARD SPECIFICATION EM-02-04 gas sensor of the detector shall be of modular "plug-in" type without requiring any wiring work to facilitate easy replacement. It shall be of electrochemical type. Its service life in air shall be at least two years. It shall be suitable for exposure to concentrated chlorine gas of 20 ppm for at least two hours. The 90% pick up response time shall not exceed 150 seconds. It shall be suitable for monitoring …
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Get PriceThe Model 9130T NH3 analyzer measures ambient ammonia in selectable ranges from 0-50 ppb to 0-20,000 ppb using the chemiluminescence principle and an external ammonia converter and sampling system. Ranges are user selectable in 1 ppb increments and auto ranging is available.
Get PriceThe Series GSTA Carbon Monoxide/Nitrogen Dioxide Transmitters monitor the gas concentration in underground parking garages and loading docks. Carbon monoxide is commonly used to measure the exhaust of gasoline engines, while nitrogen dioxide is used for diesel engines. Field selectable current and voltage outputs allow the transmitter to be used with almost any building management controller.
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Get PriceThe remote laser detector measures methane concentration in the air. The laser beam (having the wavelength, which corresponds to methane absorption line) reflects from a topographic object (the ground, a wall, etc.), which is 150 m away from the device …
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Get PriceTotal Ammonia. Dissolved ammonia gas converts into the ammonium ion form in a reaction dependent upon pH and temperature. The sensor can only measure free ammonium ions (NH + 4) . But given the pH and temperature relationship, the total ammonia (NH3 + NH + 4) can be calculated using an ammonia gas resistant pH sensor and pH compensation module FX-300-TOT. ...
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