Unitec SKY2000-M4 and SMART SENSOR AS8900 compare

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Model selection comparator If you have any questions, please click below Service	Unitec SKY2000-M4 Gas Detector with pump suction In coming China Detail	SMART SENSOR AS8900 Gas Detector 1330.0 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	Pump

Parameter comparison

Detect gas	CO、H2S、O2、EX
Sensors principle	Electrochemistry \| catalytic combustion	Electrochemistry
Sampling method	Pump suction
Range	0~1000ppm(CO)、0~100ppm(H2S)、0~30%vol(O2)、0~100%LEL（EX）
CO- resolution	1ppm
detection Accuracy	2%~3% F.S.
Interface	USB
Response time	≤10s	<50s
Repeatability	≤±1%
Linearity	≤±1%
Zero drift	≤ +/- 1% (F. S/year)
Display	LCD dot matrix display technology	Segment LCD
Operating language	Support Chinese and English
Display unit	Multiple Gas Unit switch display
Operating temperature	-20~50℃
Environmental humidity	0~95%RH
Explosion-proof sign	Exia ⅡCT4
Protection level	IP66
Alarm mode	Sound, light, vibration
Operating Time	100H (turn off the pump)
Dimension	2057532mm
Weight	300g	200g
EX- resolution	1%LEL
O2- resolution	0.1%VOL
H2S- resolution	0.1ppm

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