1
Portable Gas Detector OC-904 Instruction
(Please read through this instruction before using the device)
1.
Description
OC-904 is a Portable gas detector which is applicable for one-to-four gas
detection including combustible gas, oxygen and toxic gas. It is possible to
combine different sensors to make up 2 in 1, 3 in 1 or 4 in 1 gas detector. The
standard four in one gas detector is for combustible gas (CH4), O2, CO and
H2S.
With the large LCD screen, solid ABS materials body and accurate audible-
visual-vibration alarm, OC-904 can detect the hazardous gas in severe
operating environment and alert the operator for preventive measure in time.
2.
Specifications
1
Keys
6
Sensor (CO)
2
LCD display
7
Sensor (O2)
3
Main body
8
Sensor (Ex)
4
Sensor (H2S)
9
Buzzer
5
Light alarm
10
Charge hole