Original
By certification 
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.
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.
Shipping Information:
- FOB Port: China (Mainland)
- Lead Time: 10 - 60 days
- HTS Code: 8531.10.00 00
- Units per Export Carton: 100
- Export Carton Dimensions L/W/H: 62 × 59 × 26 Centimeters
- Export Carton Weight: 22 Kilograms
Main Export Markets:
- Asia
- Australasia
- Central/South America
- Eastern Europe
- Mid East/Africa
- North America
- Western Europe
