N2O  alarm box

Monitor the pressure of medical gas
Power: 12VAC 
Signal Input: RS485 
3 or 7 gases module 

The system is installed nurse station or into or onto the wall of operation room, in order to monitor the pressure of gas.

The switch signal is supplied by the electric contact pressure gauge or pressure switch.

With self-test reset button which can detect whether the system is in a good condition

Press  the reset button to cancel sounding alarm, if nobody manages it after 20 minutes, the system will start sounding alarm automatically again.

The system shows three pressure statuses, the over low, the normal and the over high.(indcated by  different color lighting)

Two standard models: 3 gases and 7 gases. Electrical switches are designed to turn on or off the alarm of each gas

It can connect sub-master station by RS485,to come true further mission of alarm signal.