Combustible Gas Detector DY8800A+

Feature
High sensitive
Ergonomic mold for nice handheld touching, single hand operation
Audible and visual alarm
Sensor performs self detection during startup
3.7V 650mAH Li cell employed, recharging anywhere

MODEL DY8800A+
Detection natural gas, LPG, artificial goal gas and etc..
Sensor planar semiconductor
Bootup time in 60 seconds
Alarm 20Hz ~ 5KHz
Range of alarm ~1% LEL LED1 flashing, without buzzer
~2% LEL LED2 flashing, with buzzer 
~5% LEL LED3 flashing, with buzzer 
~10% LEL LED4 flashing, with buzzer 
~20% LEL LED5 flashing, with buzzer 
Alarm mode LED, buzzer
Working temperature -20C ~ 70C
Working humidity less than 90% RH
Power source Li cell 3.7V 1100mA/h
Indication of charge 10% red LED1
20% red LED2
30% red LED3
40% red LED4
50% red LED5
Indication of sensitivity Level 0, red LED3
Level -1, red LED2
Level -2, red LED0
Level +1, red LED4
Level +2, red LED5
Dimension 275 * 70 * 30 mm
Weight approx. 220g