The Beacon 800 is a fixed-mounted, continuous-monitoring instrument. This multiple channel gas monitor is capable of detecting gas at up to eight locations. The display screens simultaneously display the gas readings of all active channels. The Beacon 800 includes audible and visual alarms that warn you of hazardous gas conditions. The alarm circuit includes two levels of gas alarms. The fail circuit alerts you to failures in the gas transmitter(s) or Beacon 800. The Configuration menu allows you to change channel and calibration settings. More Features: • Compact, weatherproof, NEMA 4X enclosure • 85 to 264 VAC or 24 VDC operation • Long life sensors (2+ years typical) • Accepts any 4-20 mA transmitter • Audible alarm with reset button • Two programmable alarm levels per channel • Common alarm and fail relays • Relay rating 3 amps, form C • Low cost versatile solution