GfG Instrumentation offers the G450, a multi-gas detector, that is Exceptional Confined Space Performance Detector. It is Compact and robust 1-to-4 sensor design, and has a full 3-year warranty on all sensors, interchangeable battery packs for up to 25 hours continuous operation, and Motorized pump operable in diffusion or sample-draw mode.
GfG Instrumentation, Inc.
Ann Arbor, MI
Tel: (800) 959-0329 or (734) 769-0573