For continuous monitoring and control of toxic gases, combustible gases and oxygen hazards, the CR-4000 is designed for installation and operational simplicity.

1. Individual, continuous, alphanumeric “status” LCD for each channel
2.  Slim profile: depth only 2.5 inches / 6.35 cm
3. Wall mount installation
4. Local 85 dB audible alarm
5. Field programmable alarm levels on each channel
6. Simple operation Mix, match or change the gases monitored
7. Three standard common, 10 amp SPDT relays. Low, High and Fault general Alarms
8. Up to eight additional discrete relays optionally available -two per channel for LOW and HIGH alarms. Each channel is programmable for energized/de-energized, latching/non-latching and audible ON/OFF
9. Multi-functional external RESET. Can be used to reset or cancel all latched alarms; displays Peak (maximum) gas detected on each channel and tests all audible/visual alarms
10. Accepts 4-20 mA signal input from any 4-20 mA gas transmitter