MQ-4 Gas Sensor (Methane & Natural Gas)
MQ-4 Gas Sensor (Methane & Natural Gas)

MQ-4 Gas Sensor (Methane & Natural Gas)

SEN-00203
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R23.40
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Description

Description:

This gas sensor detects the presence of methane gas at concentrations from 300 ppm to 10000 ppm, a range suitable for detecting gas leaks.

This sensor has high sensitivity and fast response time. The sensors simple analog voltage interface requires only one analog input pin from your microcontroller. The drive circuit is very simple; all you need to do is power the heater coil with 5V, add a load resistance and connect the output to an ADC.

Technical parameters:

Heating voltage: 5 ± 0.2V (AC · DC)
Operating Current: 150mA
Circuit voltage: ≤ DC15V (maximum DC15V)
Load resistance: (adjustable)
The detection concentration range :300-10000ppm (a range of different concentrations of different gases)
Clean air voltage: ≤ 1.5V
Sensitivity: ≥ 3%
Response time: ≤ 1S (preheat 3-5 minutes)
Response time: ≤ 30S
Component power consumption: ≤ 0.9W
Operating temperature: -10 ~ 50 °C (nominal temperature 20 °C)
Humidity: 95% RH (nominal humidity 65% RH)
Life: 5 years
Size: 19mm × 23mm
Weight size: 5g

Documentation:

Manual


Product Details

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