TPI 721 Combustible Gas Leak Detector capable of displaying real ppm, stepped ppm, and Percent LEL (Lower Explosive Limit). -10ppm sensitivity (methane)-Detect combustible gases including natural gas, propane, butane, etc. -Thumbwheel adjustable tic rate to locate leaks quickly and accurately.
Two line display with bargraph and backlight-Audio / Visual alarm indication with user adjustable alarm point. Earphone jack for use in noisy environments. Approximately 20 hours of continuous use (C cell alkaline batteries x2).