Smart Electronics~ For Ardu, MQ7 CO Carbon Monoxide Gas Sensor Module
Category: LED Module   Publish Time: 2018-12-11 15:00 
Smart Electronics~ For Ardu, MQ7 CO Carbon Monoxide Gas Sensor Module

 

Introduction

MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Arduino  
MQ-7 MQ7 CO Carbon Monoxide Gas Sensor Module For Arduino 

Specification: 
Detection range: 10 to 1000ppmm 
Characteristic gas: 100ppmm 
CO Sensitive resistance: 2K? to 20K? in 100ppm 
CO Sensitivity: ? 3% 
Response time: ? 1s 
Recovery time: ? 30s 
Heating resistance: 31?  3? 
Heating current: ? 180mA 
Heating voltage: 5.0V 0.2V / 1.50.1V 
Heating power: about 350mW 
Size: 3.5 x 2.2cm (1.4 x 0.9inch)
Standard operating conditions: Ambient 
Temperature: -20C to +50C 
Humidity: ? 95%
RH Oxygen Content: 21%
Note: Mainly used for CO, gas detection in family, factory or underground operation.

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