China Cheap price 2 In 1 Gas Detector - Portable Methane &Oxygen 2 CH4 &O2 in 1 gas Detector – Topsky
China Cheap price 2 In 1 Gas Detector - Portable Methane &Oxygen 2 CH4 &O2 in 1 gas Detector – Topsky Detail:
Qualifications: Coal Mine Safety Certificate
Explosion-proof Certificate
Inspection Certification
model number: CJYB4/25
Applications:
CJYB4/25 portable CH4 &O2 in 1 gas detector is an intrinsically safe and explosion-proof instrument and is designed to deter the gases. It can simultaneously monitors oxygen (O2), combustible gas (%LEL). Compact and lightweight, CJYB4/25 portable CH4 &O2 in 1 gas detector activates audible and visual alarms in the event of a low or high alarm condition.
CJYB4/25 portable CH4 &O2 in 1 gas detector is unparalleled in its versatility, capability and overall value.
It is used at the underground coal mine and mine safety inspection mainly. Certainly, it is also applied to fire fighting, confined space, chemical industry, oil and all kinds of environment that needed to measure the hazardous and toxic gases
Technical specification:
Sensor | Catalytic combustion sensor (combustible gas);Electrochemical sensors (O2) |
Measurement of Gas | combustible gas (CH4), oxygen (O2), |
Range | CH4: 0~4.00%(v/v); combustible gas 0-100%(LEL) |
O2: 0~25.0%VOL | |
Accuracy | CH4: +10% (1%LEL) |
O2: +0.7%VOL | |
Resolution | CH4: 0.1%CH4 (1%LEL) |
O2: 0.1%VOL | |
Alarms | Visual,audible(75 dB) |
Typical battery life | ≥10 hours |
Explosion protection | Exibd I |
Accessories:
battery, Carrying case and Operate guidebook
Product detail pictures:

Related Product Guide:
Our organization insists all along the quality policy of "product quality is base of business survival; purchaser gratification is the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as the consistent purpose of "reputation 1st, purchaser first" for China Cheap price 2 In 1 Gas Detector - Portable Methane &Oxygen 2 CH4 &O2 in 1 gas Detector – Topsky , The product will supply to all over the world, such as: Kazakhstan, Cancun, Senegal, Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We've got tightened inspection for quality of product.

Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
