贪玩娱乐棋牌老版本2018免费下载

产品规格︰ Adopting low-consumption MCU
Ultrahigh LED indication
Adjustable alarming level
Easy calibration
High concentration protection function
Gas sensor fault self-test
Low voltage alert and turn off automatically
Replaceable gas sensor module
Self adjustment function
Audio and video alarming
Self test function after power on
Password management function to avoid wrong operation
Intrinsically safe

产品优点︰ ◆ Main features
GLH100 portable H2S gas detector with 4-digit LED indication, adopting catalytic gas sensor and MCU, is intrinsically safe gas detector for mining industry. It’s normally used under the coal mine industry where CH4 and coal dust etc. mixture exists. Compared with the similar products, this model has the following advantages:
 ◇Stable and Intellectual
 ◇Easy data setting and operation
 ◇Zero, sensitivity and alarming point can be adjusted on the keyboard
 ◇Excellent sensitivity and repeatability
 ◇Smart housing design
 ◇Water-proof, dust-proof and explosion-proof housing
This model has passed the test and inspection of Chinese authoritative department according to the following standard Q/ZCM014－2008.