1. Operating voltage:DC12V Working voltage range:DC10V-14V
2. Standby currency: ≤100mA
3. Alarm currency: ≤150mA
4. Sound pressure range: ≥70dB, 1 meter straight ahead
5. Working temperature: 0℃~ +55℃
6. Relative humidity: ≤95%RH
7. Alarm concentration: 5% LEL (alarm concentration error: ±3% LEL)
8. Alarm response time: <30S
9. Detection gas: methane
10.Alarm output: solenoid valve (DC12V)
11.Alarm light distance: ≥3m
12.Stability: The long-term working alarm concentration difference is not more than ± 5% LEL
13.Repeatability: Repeat test alarm concentration difference is not more than ± 3% LEL
14.Persistence test: 48 hours continuous operation for normal operation
15.Probe point: additional sensor
16.Related testing items and parameters: Refer to "National Standard of the People's Republic of China GB 15322.2-2003 flammable gas detector Part 2: Independent flammable gas detector with measuring range 0~100LEL"