Fixed Type – MG-4000 Area Monitor Fixed Type – MG-4000 Area Monitor are the compact detection instruments that accurately measure combustible gases, toxic gases and oxygen levels. These simple and effective units measures the gas concentration and accurately displays it. Request a quote Features: Microcontroller, SMD components Three Alarms AL1, AL2, AL3 5 LED states Indications Viz : Pilot, AL1, AL2, AL3, Fault 3 Digit LED Display : Resolution – 0.1% 1 Digit for Ch No. 3 relay O/Ps : AL1, AL2, Fault Built in Audio Buzzer AL1 Non Latching, AL2 & AL3 Latching Test and Reset Operation controls Compact IP65 Weatherproof Enclosure Local Sensor version – Single Unit – 1 Ch Monitor Remote Sensor -Upto 500mtrs Universal Input Supply : 100-250VAC, 50-60Hz User specified range – ppm, %Vol., % LEL In-built hysteresis – no false alarms or jittering