GX 3R Four Gas Monitor

Smallest & lightest 4 gas monitor 2″ W x 2.55″ H x 1.02″ D, 3.52 ounces Simultaneous detection of 4 gases LEL, O2, H2S & CO H2 Compensated CO sensor available Simple 2-button operation Non-Compliance Indicator Alarms: audible, visual, & vibration 3 user adjustable alarm levels Impact resistant body with removable rubber boot Large LCD Auto-backlit display 25 hours of operation (Lithium-ion battery) Field replaceable sensors & filters Water and dust resistant design, IP66/68 3 Year warranty