JDY-338 Gas Leak Detector

We offer gas detector, induced gas:coal gas\natural gas\lpg power input:ac 220v /50hz or dc 12v working temp.: -10 ~+40 relative humidity: ≤90%rh buzzer level:≥70db/m alarm density:15%lel, resume density:8%lel long-time working alarm density error≤± 5 % repetition test alarm density error≤± 5% alarm density error:≤± 5%lel alarm mode: flash＆sound alarm, shut-off gas valve/network alarm signal power