Lake Forest, Calif.— TS400 Toxic Gas Detector finds ozone, hydrogen cyanide, and eight other gases. It features a modular gas sensing element and adjustment-free calibration in one of the industry's smallest packages. An optional loop-powered display enables local visual readings. It continuously monitors and displays fault conditions and calibration and data memory errors. Other gases detected include ammonia, carbon monoxide, chlorine, nitric oxide, nitrogen dioxide, sulfur dioxide, chlorine dioxide, and hydrogen chloride. The 8-oz detector measures 1.75-in diameter and 4.5-in. length. General Monitoring