G450 gas monitor
	Technical Data Gases / warranty Combustible gases (CH4) Oxygen (O2) Carbon monoxide (CO) Hydrogen sulfide (H2S) COSH (dual channel CO and H2S sensor) Alarms Audible - 103 dB at 30 cm (restrictable to 95 dB) Visual - Bright, rotating 360° LED's, plus heterochromatic backlit display Vibrating alarm Detection range and resolution CH4 0-100% LEL 0.5% CH4 0-5% volume 0.05% O2 0-25% volume 0.1% CO 0-300 ppm 1 ppm H2S 0-100 ppm 1 ppm COSH CO (0-300 ppm) and H2S (0-100 ppm) 1 ppm Casing IP 67 (dust and highly water resistant) Accessories Datalogging kit Self powered detachable sample pump (run-time up to 25 hours) Spare battery cartridges (alkaline or rechargeable) Rechargeable (NiMh) battery cartridge with optional LED flashlight Expected sensor lifetime CH4 3-5 years O2 3 years CO up to 4 years H2S 3 years COSH 3 years Weight 0.62 pounds (280 g) Dimensions 4.4x2.6x2 inches (66x11.8x50.8 mm) (HxWxD) Rating and certifications (intrinsic safety) cCSAus Class I, Division 1, Group A, B, C, and D Hazardous locations Temp code T3 Operational time Up to 25 hours Charge time 4 hours with rechargeable NiMh cartridge Power source 2 "AA" batteries or rechargeable NiMh battery cartridge Temperature range -4° to +122°F (-20 to 50°C) ambient 5 to 95% r.h. (non-condensing)