The OI-6940 Quad is a battery-powered explosion proof 4-gas sensor assembly that uses up to four sensors – Electrochemical, Low-Power Infrared and PID – for sensing an array of gases in ambient air. The Quad is designed to be self-contained, and lasts for up to six months using a 3.6VDC battery-pack.
Part Number Formula: OI-6940-[# of Sensors]-[Radio Frequency]-XP