タイトルまたは説明

Specifications: 
(Network Household Gas Leak Alarm (SFL***0)) 

1. Detecting gas: Coal gas, nature gas, LPG gas 
2. Alarm density: Coal gas 0.**0.5%; Nature gas 0.**0.3%; LPG gas 0.**0.5% 
3. Working voltage: ****4VDC 
4. Working environment: Temperature: ***5º C relative humidity *5%RH 
5. Working current: ≤ **0mA 
6. Voice level: ≥ *5dB(1 meter) 
7. Despondence time: <*0 second, according to the gas density 
8. Alarm density: 6%LEL 
9. Alarm method: Voice/LED light /sign output to network alarm host 
*0...Stabilization: Alarm density ≤ ± 5%LEL in durative work 
*1. Repeated: Re-test alarm density ≤ ± 5%LEL 
*2. Visible alarm light: 3m 
*3. Alarm error: ± 5%LEL 

Working principle: 
To remind or contain gas leak quickly when leaked gas reaches the alarm concentration 

Application: Gas fitting