digital methane alarm miner's lamp used for the safe lighting,the detection of methane concertration warning in coal mines .

digital metahne alarm miner's lamp

..Applicable scope

Used in underground worke like coal mines and other mine tunnels.

2.Product Features

(1).main use:for the safe lighting,the detection of methane concentration and the exceeded concentration warning in coal mines containing explosive gas.

(2).alarm mode:sound,light alarm.

(3).measurements show the error:no more than the true value low than five percent.

(4).error alarm:not more than 0.01% CH4

(5).reality way:three red 0.8 inches LED display.

(6).real-time clock display:the apparatus showing real-time hours and minute in accordance with the 24-hour clock.

3.Main technical parameters:

Rated capacity	Rated voltage	Working current		Battery life span	Largest lamp illumination	Testing scope	Lamp time
		Main light source	Detection alarm circuit
4AH	3.7V	150mA	120mA	500times per time	Larger than 1400LX	0%-4%CH	Larger than 11 hours

digital methane alarm miner's lamp