# Best 4 In 1 Gas Detector 2023

GH₵ 15,800 · Asylum Down

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

## Details

- Brand: Vikings

Category: Equipment & Tools / Safety-wear & Equipment

Seller: [Shopbeta](https://trueseller.app/sellers/shopbeta-f55e19b3612eaf1f48a13eaa)

[Listing](https://trueseller.app/marketplace/equipment-tools/safety-wear-equipment/best-4-in-1-gas-detector-2023-b61b090587b40f9ed2d98862)