Features:
Combustible gas detector can be used in hazardous areas indoors and outdoors， 
where combustible gas is produced， stored， used， etc.， such as chemical， petroleum， metallurgy， 
oil depot， LPG (Liquefied Petroleum Gas) station ， pharmaceutical， gas transmission and distribution， etc. 
to detect the leakage and show the leaking concentration with a digital display. 

Specifications:
Test gas: natural gas， gas， gas and other combustible gas 
Gas measurement range: 0~100%LEL 
Measurement error: ±5%LEL 
Resolution: 1% 
Preheating time: <120 seconds 
Response time: <10 seconds 
Environmental temperature measurement: -10 ~ 50 
Alarm mode: sound alarm， light alarm， vibration alarm 
Alarm: low concentration of 10% warning lights flashing yellow
High concentration 20% alarm lights red and yellow flashing 
Continuous working time: 6 hours (with a slight change in the working state) 
Power: 3x1.5V AAA battery(battery is not included) 
Audio tip: the higher the frequency of the beep sound， the higher the concentration is. 
Product size: 120*65*25mm 

Package includes: 
1 x Combustible Gas Detector(battery is not included)