Bosean Electronic Technology BH-90E - Operation Instructions for Portable Gas Detector; Device Power On and Off

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4. Operation Instruction
4.1 Device on/off
Press the button and then release it to turn on the detector. Press the
same button to turn it off in any case.
Every time the device is turned on, it will undergo a self-check process
Warm-up time
60S
Response time
<30s
Protection level
IP65
Explosion-proo
f grade
Exib IIB T3 Gb
Sensor type
Imported FIGARO sensor
Sensor life
2 years
Power supply
Rechargeable lithium battery, DC3.7V 1800mAH
Charging time
6h-8h
Continuous
working hours
No less than 8 hours (normal working environment)
Working
condition
Temperature: -10～40℃ Humidity: ≤95% RH with no
condensation.
Storage
condition
Temperature: -20～50℃ Humidity: ≤85% RH, avoid caustic
gases or substances.
Weight
Approx. 300g (excluding accessories)
Dimension
Approx. 210mm(L)×66mm(W)×30mm(H)
Packing list
Detector, Carrying case, Charger, USB cable, Warranty card,
Thank-you card.