MQ-7 Carbon Monoxide Gas Module Sensors

Description of product

Product Details:

Detection of gas Carbon Gas
The heating voltage 5V +/- 0.2V AC/DC
Working temperature -10 to 50 degC (nominal temperature 20degC)
Working current 140mA
Loop voltage 10V (maximum DC 15V
Load resistance 10K (adjustable)
Detection concentration range 10-1000ppm
Humidity 95% RH (nominal humidity 65% RH)


Product Description

This Carbon Monoxide (CO) gas sensor detects the concentrations of CO in the air and ouputs its reading as an analog voltage. The sensor can measure concentrations of 10 to 10,000 ppm.The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5V.

MQ7 CO gas sensor

Material: Module

Size: 35mm × 22mm × 18mm

Detection of gas: carbon gas

1, the heating voltage: 5 ± 0.2V (AC · DC)

2, Working current: 140mA

3, loop voltage: 10V (maximum DC 15V)

4, load resistance: 10K (adjustable)

5, detection concentration range: 10-1000ppm

6, clean air voltage: ≤1.5V

7. Sensitivity: ≥3%

8. Response time: ≤1S (preheat 3-5 minutes)

9, Response time: ≤30S

10, the element power: ≤0.7W

11, the working temperature: -10 ~ 50 ℃ (nominal temperature 20 ℃)

12, Humidity: 95% RH (nominal humidity 65% RH