Manufacturing Companies for Dust Face Mask - Portable Methane &Oxygen 2 CH4 &O2 in 1 gas Detector – Topsky
Manufacturing Companies for Dust Face Mask - 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:

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The company upholds the philosophy of "Be No.1 in quality, be rooted on credit and trustworthiness for growth", will continue to serve old and new customers from home and overseas whole-heatedly for Manufacturing Companies for Dust Face Mask - Portable Methane &Oxygen 2 CH4 &O2 in 1 gas Detector – Topsky , The product will supply to all over the world, such as: Mexico, Durban, Romania, We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.

We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
