The fixed gas detector base AQ-FM S900 for AQ-sensor heads can communicate with a variety of hardware systems. The transmitter can also be used as switching relays with user-set values, as 4-20 mA gas transmitter and it can communicate with a network via the RS485 interface. Changing sensor heads is quick and easy, no configuration changes required. Calibration certificate included. Wall mounting kit.

- Analog Output: 4-20 mA (optional isolated), 10... 30V
- External control signal: Min Max. Alarm, control and diagnostics
- Power supply: 12V DC 1A power supply is required but not supplied
- Interface: RS485