;)
These Single Point Wall Mounted Instruments work on 220 VAC mains supply and have a sensor fitted at the end of a cable. They use an IP 55 enclosure for the electronics as standard. The sensor is located at the site to be monitored and the monitor electronics in a safe area/instrumentation room. They are provided with two alarms both audible and visual along with relays and recorder output of 0-1 v and 4-20 mA. They are meant for continuous operation of area monitoring with continuous read
out, plus vital status indicators .
REFER PDF FOR MORE DETAILS :