SMART SENSOR AS8903 and KORNO GT-903-Y3(CO,H2S,O2) compare

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Model selection comparator If you have any questions, please click below Service	SMART SENSOR AS8903 2-In-1 Gas Detector (diffusion type + pump suction type) In coming China Detail	KORNO GT-903-Y3(CO,H2S,O2) Gas Detector 2220.0 RMB China Detail

Model comparison

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

Parameter comparison

Detect gas	CO、H2S
Range	Carbon monoxide: 0~999ppm hydrogen sulfide: 0~500ppm
resolution		0.1ppm，0.01ppm，0.01%vol
intrinsic error	5%or±10PPM
Response time	≤50s	T90≤20s
recovery time	Less than 50s.	≤20s
Alarm mode	Sound, light.
Operating temperature	-10~50℃
Environmental humidity	15~95%RH
Temperature measurement
Power Supply	3.7V lithium battery
Weight	200g
Dimension	120.264.538.3mm120.264.538.3mm
Accuracy
Peak display
Backlight
Low concentration alarm
High concentration alarm
Lock machine password
Operating current
Operating Voltage
Battery model
short circuit current
Maximum open circuit Voltage
Display
Storage temperature
Dimension	120.264.538.3mm120.264.538.3mm
Weight	200g
Working time of battery
Standard outer box Capacity	24
Packaging Dimensions	46x45.5x55mm
Gross Weight	19.5KG

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