MQ-7 Carbon Monoxide Gas Sensor Module

MQ-7 Carbon Monoxide Gas Sensor Module

Rs 350.00
Product Code: SEN0014
Availability: In Stock
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Product Description

A carbon monoxide detector for the Arduino-based DIY security system. The carbon monoxide detector is a semiconductor gas sensor tuned to detect carbon monoxide. It is in the same family of devices as the smoke detector sensor, measuring the change in surface conductivity of tin dioxide in the presence of carbon monoxide. This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance.


Testing gas: Carbon Monoxide

Detection of concentration: 10-1000ppmCO

Loop voltage: 10V DC

Heater voltage: 5V±0.2V ACorDC(high), 1.5V±0.1V ACorDC(low)

Load resistance: adjustable

Heating resistor: 31±3(indoor temperature)

Heating dissipation: 350mW

Sensitive part surface resistance: 2K-20K

Sensitivity: Rs(in air)/Rs(100ppmCO)5

Concentration gradient: 0.6

Temperature, humidity: 20±2, 65%±5%RH

Standard test circuit: Vc: 5v ±0.1v, Vh(high): 5v ±0.1v, Vh(low): 1.5v ±0.1v

Package included:

1 x MQ-7 Sensor

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