MQ-5 Methane LPG Liquid Propane Gas Sensor Module

The Simple MQ-5 Methane LPG Liquid Propane Gas Sensor Module is a great way to add basic gas sensing to your project at a reasonable price. The MQ-5 Methane LPG Liquid Propane Gas Sensor Module particulate sensor uses a Buzzer to sense any detected material that is even present in the air! 

This MQ-5 Methane LPG Liquid Propane Gas Sensor Module is widely used in gas leakage detecting pieces of equipment in family and industry, is suitable for detecting LPG, natural gas, town gas, avoid the noise of alcohol and cooking fumes and cigarette smoke

The MQ5 ( MQ-5 ) is used in gas leakage detecting equipment in consumer and industry applications, this sensor is suitable for detecting LPG, natural gas, coal gas. Avoid the noise of alcohol, cooking fumes, and cigarette smoke. The sensitivity can be adjusted by the potentiometer.

The sensitive material of the MQ-5 gas sensor is tin Oxide (SnO2), which with lower conductivity in clean air. When the target combustible gas exists, The sensor’s conductivity is higher along with the gas concentration rising. Please use a simple electro circuit, Convert the change of conductivity to the corresponding output signal of gas concentration.

MQ-5 gas sensor has a high sensitivity to Methane, Propane, and Butane, and could be used to detect both Methane and Propane. The sensor could be used to detect different combustible gas especially Methane, it is with low cost and suitable for different application

The MQ-5 sensor module is a versatile gas detection device specifically engineered for detecting methane (CH4) and liquefied petroleum gas (LPG), including propane and butane. It employs a tin dioxide (SnO2) semiconductor gas sensing element, renowned for its high sensitivity and reliability in detecting a wide range of combustible gases.

One of the standout features of the MQ-5 sensor module is its ability to detect both methane and LPG gases, making it suitable for a variety of applications where the presence of these gases poses safety risks. Whether in residential, commercial, or industrial settings, the MQ-5 provides early warning of potential gas leaks, helping to prevent accidents, fires, and explosions.

The MQ-5 sensor module operates on the principle of changes in conductivity of the sensing material when exposed to target gases. As methane or LPG gas molecules interact with the tin dioxide semiconductor, the sensor’s resistance changes, allowing for accurate measurement and detection of gas concentrations in the surrounding environment.

Furthermore, the MQ-5 sensor module is designed for easy integration into different electronic systems and devices. It typically comes in a compact module form factor with standard pin headers, enabling straightforward connection to microcontrollers, development boards, and other electronic components. This ease of integration makes it a popular choice for DIY projects, gas detection systems, and safety monitoring devices.

The MQ-5 sensor module is equipped with onboard signal conditioning circuitry, including a built-in voltage regulator and amplifier, to ensure stable and accurate operation. Additionally, it features adjustable sensitivity and calibration capabilities, allowing users to optimize sensor performance based on specific application requirements.

One consideration when using the MQ-5 sensor module is its potential for cross-sensitivity to other combustible gases, such as alcohol vapors and smoke. While this can be advantageous in certain scenarios, it’s essential to account for potential interference from these gases and calibrate the sensor accordingly for reliable detection and false alarm prevention.

In summary, the MQ-5 Methane LPG Liquid Propane Gas Sensor Module offers a reliable and effective solution for detecting methane and LPG gases in various safety-critical applications. Its high sensitivity, dual-gas detection capabilities, and ease of integration make it a valuable tool for safeguarding lives and property against the hazards associated with gas leaks. Whether used in residential homes, commercial buildings, or industrial facilities, the MQ-5 sensor module provides peace of mind by providing early detection and warning of potential gas hazards.

Connections

VCC ↔ 2.5V ~ 5.0V
GND ↔ ground
Aout ↔ MCU.IO (analog output)
Dout ↔ MCU.IO (digital output) 

Note: Buzzer is not included in this package, you have to buy it separately.

Features :

1. High sensitivity to LPG, natural gas, town gas.
2. Small sensitivity to alcohol, smoke.
3. Stable and long life.
4. Simple drive circuit.
5. Fast response. 

Package Includes :

1 x MQ-5 Methane LPG Liquid Propane Gas Sensor Module