Model Number: 9DG321-#7920
Key Specifications/Special Features:
Features:Detects natural gas, LPG, and coal gas and more. Combustible gasesLCD display of gas densityWall mountedSound and flash alarmThree indicators: power, alarm, faultAdvance microprocessor technologyAuto check sensor failureAuto reset after leaked gas clearsStrict calibration of alarm level in gas chamber with natural gas or LPG24-48 Hours aging tests of both PCBA and finished detectorsSpecifications: 1.Frequency: 433/315MHz 2.Working voltage: 90-240V AC 3.Rated power: ≤3W 4.Warm-up time: 3-5 minutes 5.Working temp. range: -10°C - +50°C 6.Humidity range: 10% - 95% Relative Humidity (RH). 7.Alarm range: a. Natural gas: 10% - 25% LEL. b. Liquefied petroleum gas: 10% - 25% LEL. c. Coal gas: 2% - 5% LEL. 8.Alarm reset: auto reset after gas clears. 9.Sensor: semiconductor gas sensor. 10.Indicator information power: green LED on. 12.Alarm: red LED flashing 13.Fault: yellow LED on 14.Alarm output: sound & flash alarm.