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TGS3870-B00 Methane and Carbon Monoxide Gas Sensor

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Product Details

Brand Name	Figaro	Place of Origin	Japan
Model Number	TGS3870-B00	Usage	Gas Sensor
Theory	Other, semiconductor gas sensor	Output	Analog Sensor

Product Description

TGS3870-B00 Methane and Carbon Monoxide Gas Sensor Features:
* Miniature size and low power consumption
* High sensitivity and selectivity to both methane and carbon monoxide (CO)
* Low sensitivity to alcohol vapor
* Long life and low cost

TGS3870-B00 Methane and Carbon Monoxide Gas Sensor Applications:
* Combination methane and carbon monoxide detectors

TGS3870-B00 is a micro-bead type semiconductor gas sensor for the detection of both methane and carbon monoxide. Using a micro-bead gas sensing structure, both methane and carbon monoxide can be detected with a single sensor element by periodic application of two different heater voltages (high and low). Miniaturization of the gas sensing bead results in a heater power consumption of only 38mW (average).

TGS3870-B00 has low sensitivity to alcohol vapors (a typical interference gas in the residential environment) and has high durability, making the sensor ideal for consumer market gas alarms.

TGS3870-B00 Methane and Carbon Monoxide Gas Sensor Specifications:

Model number			TGS3870-B00
Sensing principle			MOS type
Standard package			Plastic base and metal can
Target gases			Methane and Carbon Monoxide
Typical detection range			Methane 500 ~ 12,500ppm Carbon monoxide 50~1,000ppm
Standard circuit conditions	Heater Voltage	VH	VHH = 0.9V±3% for 5 sec. VHL = 0.2V±3% for 15sec.
	Circuit voltage	VC	5.0±0.2V DC pulse (refer to Technical Information for TGS3870-B00)
	Load resistance	RL	variable (>0.75kΩ)
	Heater resistance	RH	3Ω±0.3Ω at room temp.
	Heater power consumption	PH	120mW	VHH = 0.9V DC
			11mW	VHL = 0.2V DC
			38mW	average
	Sensor resistance	Rs	0.35kΩ~3.5kΩ in 3000ppm methane
			1.8kΩ~24kΩ in 150ppm CO
	Sensitivity (change ratio of Rs)	β	0.50~0.65	Rs (3000ppm CH4 ) Rs (1000ppm CH4)
			0.1~0.6	Rs (300ppm CO) Rs (150ppm CO)
Standard test conditions	Test gas conditions		Target gas in air at 20±2˚C, 65±5%R
	Circuit conditions		VHH = 0.9V±2% for 5 sec. VHL = 0.2V±2% for 15 sec. Vc = 5.0±0.02V DC pulse (refer to Technical Information for TGS3870-B00)
	Conditioning period before test		≥5 days

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Shenzhen Isweek Ltd.: Contact nameMs Rita yu
Chat Now; Phone86-755-83289036; Address16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1st Rd, Hi-Tech Park, Nanshan, Shenzhen, Guangdong

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TGS3870-B00 Methane and Carbon Monoxide Gas Sensor

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