Precision:        

±5%FS

Alarm way:

Digital display

Alarm sound:     

≥70dB

Response time

≤30s

Recovery time

≤60s

Resolution 

±1ppmm, ±1%LEL

Explosion-proof mark: 

Exd IIt6

Measuring range

(0-100)ppm / (0-1000)ppm / (0-100)%LEL

Working environment

Temperature: -20C~60C

Air humidity: ≤95%RH non frosting

Charging voltag

(4.2 ~ 4.7)V

Charging time

(8-12)h