GaoPin NGP8-M400 and SMART SENSOR ST8900 compare

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Model selection comparator If you have any questions, please click below Service	GaoPin NGP8-M400 Portable 4 in 1 Gas Detector In coming China Detail	SMART SENSOR ST8900 Gas Detector 1038.0 RMB China Detail

Model comparison

Type	Portable	Portable
Number of Gases	Various gases	Various gases
Sensors	Electrochemistry	Electrochemistry
Gases	H2S CO O2 Ex	H2S CO O2 Ex
Sampling Mode	Diffusion	Diffusion Pump

Parameter comparison

Detect gas	O2、CO、H2S、Ex
Range	CO:0~1000ppm;H2S:0~100ppm;O2:0~30%vol;
CO- resolution	1ppm
Sensors principle	Electrochemistry \| catalytic combustion	Electrochemistry
Display	LCD liquid crystal display	Segment LCD
Sampling method	DiffusionDiffusion
Shell material	ABS
Dimensions	1255230mm
Explosion-proof sign	Exia Ⅱ CT6
Protection level	IP65
Machine Weight	200g
Detection Accuracy	±3%F.S.
Sampling method	DiffusionDiffusion
Concentration unit	ppm、%VOL、%LEL、mg/m3
Alarm mode	Sound, light, vibration
Operating temperature	-40~70℃
Environmental humidity	0~95% RH non-condensing
Power Supply	3.6VDC
Alarm current	150mA
Operating current	10mA
Battery Capacity	1800mA with charging protection circuit

EX- resolution	0.1%LEL
O2- resolution	0.01%Vol
H2S- resolution	0.01ppm

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