Portable Multi Gas Detector(o2,co,h2s,lel)

specifications:  (o2 ,co,h2s, lel)

·         accuracy   : +/-2%. & 0.5% for o2

·         display      :  128 x64 graphics display 

·         sampling   :    auto suction through inbuilt pump   

·         alarm : high & low

·         power supply   :   rechargeable lithium battery

·         response time: 30 seconds at 95% variation.

·         operating temperature: -5 to 55deg.c

·         data logger

·         usb computer interface