Analog Gas Sensor(MQ4)

รหัสสินค้า : AGSMQ4

The MQ4 is used in gas leakage detecting equipment in consumer and industry markets,this sensor is suitable for detecting CH4,Natural gas, LNG, avoid exposure to alcohol, cooking fumes, and cigarette smoke. The sensitivity can be adjusted by the potentiometer.

Improvement List

 - Standard assembling structure (Times-of-5mm Center distance between two 3mm mounting holes)

 - Easily recognitive interfaces of sensors ("A" for analog and "D" for digital)

 - Icons to simplely illustrate sensor function 

 - High quality connector

 - Immersion gold surface

Specification

 - Power supply: 5V

 - Interface type: Analog

 - Pin Definition: 1-Output 2-GND 3-VCC

 - High sensitivity to CH4,Natural gas

 - Small sensitivity to alcohol, smoke

 - Fast response

 - Stable and long life

 - Simple drive circuit

 - Size: 40x20mm