- Single point and multipoint alarm units
- Operates on 230 VAC, 50 HZ with in built power supply for ammonia transmitters
- In-built alarm hooter
- LED indication for each channel contamination
- Early warning and alarm status
- Robust case for long life in harsh environments
- continuous monitoring
- Low zero point drift
- Positioning stable
- Long life sensor
- Easy maintenance/calibration
- Reverse polarity protected
- Overload protected
- 420 a analog signal output from transmitter
