KEY FEATURES:
Three Level Alarm for each channel
First 'Contamination'at 50 ppm
Second 'Early Warning' at 150 ppm
Final'Alarm' at 250 ppm
These alarms have been designed as per international
guidelines.
• Single point and mulitpoint Alarm Units
• Operates on 230VAC, 50Hz, with inbuilt power supply for Ammonia Transmitters
• In-built Alarm Hooter
• LED Indication for Each Channel Contamination,
• Early Warning and Alarm Status • Overload protected
• Robust case for long life in harsh environments
• Continuous monitoring • Low zero point drift
• Stable Positioning• Long life sensor
• Easy maintenance / calibration • Reverse polarity protected
• 4 – 20 mA analog signal output from Transmitter
• 7' TFT Color touch screen graphic display
• Set point and relay output for individual channel.
• SMS alert on 5 phones
• LAN / Rs485 modbus protocol PLC / SCADA interface
LIMITS OF TOXICITY FOR AMMONIA
Minimum detectable concentration 10 ppm
TWA value 50 ppm
Serious irritation level 250 ppm
Limit to tolerable breathing 500 ppm