MQ-2 Semiconductor Sensor for Combustible Gas

The sensitive material of the MQ-2 gas sensor is SnO2, which has lower conductivity in clean air. When the target combustible gas exists, The sensor conductivity is higher along with the gas concentration rising. Please use a simple electrocircuit and convert the change of conductivity to the corresponding output signal of gas concentration.

MQ-2 gas sensor has high sensitivity to LPG, Propane and Hydrogen and, also be used for Methane and other combustible steam, it is with low cost and suitable for different applications.

Features:

To power the MQ2 gas sensor, you will need to connect the VCC pin to a 5V source. The GND pin should connect to the ground. The DOUT pin can connect to a digital input pin on your microcontroller. The AOUT pin can connect to an analogue input pin on your microcontroller.

Here are some of the key features of the MQ2 gas sensor:

• Can detect a variety of flammable gases and smoke
• Has a sensitivity range of 200 to 10,000 ppm
• Is relatively inexpensive and easy to use
• Can integrate into a variety of applications

MQ2 Gas Sensor Module Specifications:

Flying Fish MQ2 Sensor can easily detect smoke, liquefied natural gas (LNG), butane, propane, methane, alcohol, and hydrogen in the air.

The MQ2 gas sensor is a metal oxide semiconductor (MOS) sensor that is used to detect the presence of flammable gases and smoke. It has the following specifications:

• Operating voltage: 5V
• Analog output voltage: 0V to 5V
• Digital output voltage: 0V or 5V (TTL Logic)
• Preheat duration: 20 seconds
• Sensitivity range: 200 to 10,000 ppm
• Gases detected: LPG, Smoke, Alcohol, Propane, Hydrogen, Methane and Carbon Monoxide
• Dimensions: 3.6 x 2 x 1 cms
• Weight: 5 grams

MQ2 Gas Sensor Module Applications:

The MQ2 sensor is a versatile sensor that can be used in a variety of applications. It often used in home and industrial safety applications, such as gas leak detectors and smoke detectors. It can also be used in environmental monitoring applications, such as air quality sensors.

Some of the most common applications of the MQ2 gas sensor include:

• Gas leak detectors
• Smoke detectors
• Air quality monitors
• Breathalyzers
• Industrial applications

Package:

1 x MQ2 Gas Sensor Module Flammable Gas & Smoke Sensor