Portable Gas Detector/ Portable Methane &Oxygen 2 CH4 ＆ O2 in 1 gas Detector

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:

battery, Carrying case and Operate guidebook

Beijing Topsky Century Holding Co., Ltd.was established in 2003, determined to become a respected global safety equipment

R & D enterprise.The Headquarter is in Zhongguancun Hightech Park, Jinqiao industrial base, Located total 3,000 square meters.

The registered capital is 42 million RMB. We have three subsidiaries: TOPSKY,TBD,KYCJ etc, is a national high-tech enterprises.

our product range:

1.Fire equipment,including fire robot,water mist system;

2.Fire rescue tools, including hydraulic tools,patrol powered concrete saws and so on;

3.Life search equpment, including audio & video life detector ,fire infrared imager and so on;

4.Gas detector,such as one gas detector, two gases detector, multi gas detector;

In fire equipment,rescue tools ,life research and police&millitary equipment, our company has unique advantage.

In safety supervision and law enforcement equipment,we are one of the largest producer.

Currently, our product was already exported to more than 20 countries and regions such as America, France, Australia, Italy and so on.

Until now, our company has

17 National Fire Equipment Quality Supervision and Inspection Center Certificate

103 mine safety certification mark (MA)

9 Chemical Explosion-Proof

6 CE certification

45 patent certificates

Topsky keeps launching new products at a proud speed 30% increments every year. Our company regards offering reasonable price,

fast delivery and good aftersales service as our mission . We sincerely hope to cooperate with more and more customers from

all of the world based on equality and mutual benefit.