This Device is Tailored for Ethanol Monitoring

This firm’s new gas detector (photo) registers asphyxiating or explosive concentrations of ethanol, making it useful for biofuel refineries, processing plants, pipelines, pumping stations, and fuel dumps. The detector calibrates itself given an initial ethanol sample, triggering an immediate warning anytime it is exposed to significant concentrations thereafter. The simple device uses no mirrors or beam-splitters, thus avoiding interference from extremes of temperature, pressure, and humidity as well as false positives from other gases. The stainless-steel housing of each cylindrical unit measures 2.5-in dia. and 8-in high. — Sensor Electronics, Minneapolis, Minn.