The WireFree Non-Explosion Proof OI-6900 Detector is a wireless, dual battery-powered assembly that uses an electrochemical, infrared or PID sensor element to detect a variety of gases. Magnetic switches allow for non-intrusive calibration and system setup while in the field. The display screen always shows the present gas concentration.
Part Number Formula: OI-6900-[Gas Type]-[Radio Option]-C-2B