Specification
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Model NM-4
Gas types EX H2S CO O2
Measuring range (0~100)%LEL (0~100)PPM (0~1000)PPM (0~30)%VOL
Measuring accuracy ±3%FS ±3%FS ±3%FS ±3%FS
Resolution 1%LEL 1PPM 1PPM 0.1%VOL
Low alarm 20%LEL 10PPM 200PPM 19.5%VOL
High alarm 50%LEL 20PPM 500PPM 23.5%VOL
Response time <30s <30s <30s <30s
Display real-time data and system status on the LCD screen
Working environment -20°C~50°C, <95% RH (no condensation)
Working voltage DC3.7V (lithium battery of 2000mAh)
Charging time 6h~8h
Standby time >8 h
Lifespan of the sensor 2 years
Warranty 1 year
Size of product and package
Product Package Carton(12pcs)
130*60*45mm /200g 205*150*80mm/650g 45*35*25cm /9