เครื่องเตือนแก๊สรั่ว EWOO EW301 รุ่น EW301-DCR

Detector Gas : LPG . LNG . City Gas (Methane , Butane , Propane) Alarm Point : LEL 1/4 Point (user adjustable , Variable setting) Detection Method : Catalytic , Combustion (Hot-wire type) , Diffusion type Response Time : Within 20 seconds Operational Temperature Relative Humidity : -10 ℃ ~ 40 ℃ , 90% Rh Input Power : DC 12 V 100 mA Size : 7.4 cm x 12 cm x 4.3 cm Alarm Output : Relay Contact White (COM) Green (NO) Brand : EWOO Model : EW301DCR Made in Korea