LED methane alarm mining light

タイトルまたは説明

KLW5.5LM(A) is designed based on GB********3, < General requirements for safety of cap lamp >, small, light, convenient to carry, long using life, high lighting, maintenance-free, safe and less wasting. etc. If the main power source is broken or running time is over, slide the switch to another position, the auxiliary power source would provide emergency power for the miners. The auxiliary power source can provide more than *0 hours. This light have lithium battery inside, set a protecting circuit for over-charge, over-discharge, over-heat, extending the battery’s using life. Charging time less than 8 hours. There is also set a methane alarm system, when turn on the light, the methane test circuit will begin to ***** Main technical parameters No. Specifications of mining light Details 1 Rated voltage 3.7V 2 Rate capacity 6Ah 3 Lighting hours ≥****0 4 Detection range 0~3%CH4 5 Alarm point 1.0%CH4 6 Alarm point permissible error ±0.1%CH4 7 Response time *0s 8 Max illuminance at one meter At beginning ≥***0 lx 9 After *6hours ≥***0 lx *0 The life span of battery ≥**0 times(charging to discharging) Using environment and work condition a).the environment temperature:*5℃~**0℃ b).the air relative humidity (RH) less than *5%(when the temperature is *5℃) c).the atmospheric pressure is between *0 and **6kpa.