Features • Monitors ppm, LEL, and % volume methane, O2 and CO • ppm leak detector, detects down to 10ppm CH4 • “Leak tracker”audible/visual alarm mode for CH4 and CO • 0to100% volume Methane option • Auto-ranging display of %LEL and %volume • Barhole test mode • Bump test reminder option • Snap-logging-on demand data recording • Pump pause on demand extends battery life • Status indicators: —Pump active, microprocessor status and battery level • Internal sample drawing pump with up to 50 foot range • Vibration,visual,and audible alarms • Automatic back light during alarms • Calibration reminder with lockout option • Lithium ion or alkaline battery packs(interchangeable) • Quick charge • Glove friendly large buttons • Alarm latching or non-latching • High impact protective rubber overmolding • Up to 600 hours of data logging with alarm trends • Autocalibration or single calibration • TWA and STEL readings with lunch-break mode • Intrinsically safe, ATEX/IECEx/CE and c CSA us (pending) • High dust and water resistance design • 2 year warranty