MQ-4 Natural Gas Sensor Module

MQ-4 Natural Gas Sensor Module
  • Product Code:SQ4740
  • Availability: In Stock
  • $0.90
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  • Ex Tax:$0.90
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Tags: MQ Sensors, MQ-4, Methane Sensor

Module Features:
high-quality dual-panel design, having a power indicator and a TTL signal output instruction;
having a DO Switching signal (TTL) output and AO analog signal output;
TTL output valid signal is low. (When the output low signal light, can be directly connected to the microcontroller or relay module)
the analog output voltage, the higher the higher the voltage the higher the voltage. 
the methane, natural gas detection has a better sensitivity. 
there are four screw holes to facilitate positioning;
product dimensions: 32 (L) * 20 (W) * 22 (H)
with long-term life and reliable stability
fast response recovery characteristics

Electrical properties: 
Input voltage: DC5V power (current): 150mA 
the DO output: TTL digital 0 and 1 (0.1 and 5V)
AO Output: 0.1-0.3V (relatively clean), the highest concentration of about 4V voltage 

Note:
sensor After power, need to preheat 20S or so, the measured data was stable, the sensor fever is a normal phenomenon, because the internal electric wire, if hot is not normal.

Package Include:
1X MQ4 Module
Interfaces
Interface Type DO digital output and AO analog output
Electrical Parameters
Voltage DC 5V
Current 150mA

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