The G450 multi-gas detector is designed to provide exceptional confined space performance. Its features include a compact and robust 1-to-4 sensor design, interchangeable battery packs for up to 25 hours continuous operation, a motorized pump operable in diffusion or sample-draw mode, and a full three-year warranty on all sensors.

GfG Instrumentation Inc., 1194 Oak Valley Drive, Suite 20, Ann Arbor, MI 48108; 734-761-5168, 734-769-1888 (fax);;