Reference only — this item is no longer available. This product has been discontinued and cannot be ordered. We keep the page online so the specifications and documentation stay available to anyone still running the equipment. Current replacements are listed further down.

Discontinued

Combustible Gas Detector Intrinsically Safe (CGD900) MSHA Approved

Reference only — not for sale

Model	CGD900
Manufacturer	General Tools
Category	Leak Detectors
Status	Discontinued

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Product details (archived)

The information below is retained for reference only. This item is discontinued and cannot be ordered.

The CGD900 Intrinsically Safe MSHA Approved Combustible Gas Detector uses proven heated-sensor technology to detect the presence of most combustible gases, including methane, propane, butane, acetylene, alcohol and gasoline vapors (see longer list at bottom). In addition, the unique front panel readout indicates the relative size of a gas leak from 1 to 9, making it easier to pinpoint the source of the leak.

MSHA Approved
Intrinsically Safe (in Methane-Air only)
Numeric LED of sensitivity
Heated Sensor Technology
Ultra sensitive to Methane Gas
Long life replaceable sensor
Unique digital leak size alarm
Automatic calibration
Audio mute mode
3 adjustable sensitivity sensitivity levels

Specifications:

Sensitivity: Less than 5ppm (methane)
Sensor Life: 300+ hours
Response Time: instantaneous
Warm-up Time: less than 10 seconds
Display: 7 segment bright LED (visible in sunlight)
Power Source: 4 AA Alkaline Batteries (included)
Battery Life: 20 hours continuous use
Probe Length: 17 in. (432mm)
Weight: 1.5 lbs.

Supplied with:

Padded hard case
Leak test vial
4 AA alkaline batteries
2 year limited manufacturers warranty (1 year on sensor)

Partial list of detectable gases and vapors:

Ammonia, Ethylene, Acetone, Propane, Acetylene, Hydrogen, Alcohols, Toluene, Methane, Gasoline, Butane, Benzene, Hydrogen Sulfide, Xylene, Iso-butane, NOL, Ethane, Methyl ether