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MEASUREMENT AND ANALYSIS OF ADSISTOR AND FIGARO GAS SENSORS USED FOR UNDERGROUND STORAGE TANK LEAK DETECTION
Citation:
Portnoff, M., R. Grace, A. Guzman, AND J. Hibner. MEASUREMENT AND ANALYSIS OF ADSISTOR AND FIGARO GAS SENSORS USED FOR UNDERGROUND STORAGE TANK LEAK DETECTION. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/R-92/219.
Description:
Two different sensor technologies and their properties were analyzed. he nalysis simulated a leak which occurs from an underground storage tank. igaro gas sensors and the Adsistor gas sensor were tested in simulated underground storage tank nvironments using the Carnegie Mellon Research Institute (CMRI) automated gas testing acilities. his automated system monitored the sensors' responses while dynamically xposing them to various mixtures ot methane, butane, and xylene. he sensors were also tested to determine the effects of humidity on their responses. Sensor responses were characterized by sensitivity, selectivity, and speed of response and recovery to select test concentrations of methane, butane, and xylene. he test results are presented as a list of sensor specifications to allow the potential end user a irect comparison of these two different types of sensors.