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- The MQ-4 gas sensor is a device used to detect the presence of methane gas in the air.
- It works by measuring the conductivity of the air, which changes when the sensor is exposed to methane gas.
- The MQ-4 sensor is a type of metal oxide semiconductor (MOS) gas sensor.
- It has a high sensitivity to methane gas and a fast response time, making it well-suited for detecting low levels of the gas.
- The MQ-4 sensor outputs an analog voltage signal that can be read by a microcontroller or other control device.
- It can operate at temperatures between -10 and 50°C, making it suitable for use in a wide range of environments.
- The MQ-4 gas sensor is widely used in applications such as natural gas leak detection, indoor air quality monitoring, and in the oil and gas industry.
MQ-4 Natural Gas sensor
The MQ-4 gas sensor is a device that is used to detect the presence of methane gas in the air. It is often used in applications such as natural gas leak detection, indoor air quality monitoring, and the oil and gas industry. The MQ-4 sensor is a type of metal oxide semiconductor (MOS) gas sensor. It works by measuring the conductivity of the air, which changes when the sensor is exposed to methane gas. The sensor has a high sensitivity to methane, making it well-suited for detecting low levels of gas.To use the MQ-4 sensor, it must be connected to a microcontroller or other control device. The sensor outputs an analogue signal that can be read by the microcontroller, which can then be used to trigger an alarm or other response when the concentration of methane gas reaches a certain level. The MQ-4 sensor is relatively simple to use and is widely available, making it a popular choice for gas detection applications. However, it is important to note that the sensor may not be able to detect other types of gases, and it may require regular calibration to ensure accurate readings.
If you want to use this MQ-4 Gas Sensor with Arduino, for that you will need
Features:
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High sensitivity: The MQ-4 sensor has a high sensitivity to methane gas, making it well-suited for detecting low levels of the gas.
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Fast response time: The sensor has a fast response time, with a recovery time of fewer than 10 seconds. This allows it to quickly detect changes in the concentration of methane gas in the air.
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Compact size: The MQ-4 sensor is small and compact, with dimensions of approximately 32mm x 22mm x 55mm. This makes it easy to install and integrate into various types of systems.
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Wide operating temperature range: The sensor can operate at temperatures between -10 and 50°C, making it suitable for use in a wide range of environments.
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Easy to use: The MQ-4 sensor is relatively simple to use and can be easily connected to a microcontroller or other control device.
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Widely available: The MQ-4 sensor is widely available
Applications:
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Natural gas leak detection
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Indoor air quality monitoring
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Oil and gas industry
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Agricultural applications
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Other applications
Also check the MQ-5 Gas Sensor Module for detecting gases such as methane, propane, and natural gas. It operates by measuring the resistance of a metal oxide semiconductor material to changes in gas concentration. The sensor is sensitive to a wide range of gases, has a fast response time, and high sensitivity.
Shipping & Returns
Shipping & Returns
- All orders confirmed before 3 pm IST are shipped on the
same day, barring rare pickup delays on holidays or disturbances - Delivery time in Metro cities is 1-3 days, Others it is
3-7 days. It varies based on location, reliant on courier services - Return window: 7 days from receipt unless stated
otherwise. No refunds/replacements after - Returns only for non-working/damaged products are accepted
- Initiate return requests to our customer service team via Support ticket or contact us at +91-8123057137
- Refunds are processed within 3-4 working days post inspection and approval.
For more details, please check our Shipping and Return Policy
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Package Includes:
- 1 x MQ4 Gas Sensor
Specifications:
| Operating Voltage | 3 ~ 5V (DC) |
| Detecting Range | 300ppm to 10000ppm |
| Dimensions | 30 x 30 x 35 mm |
| Weight | 5 grams |
1. What is mq4 gas sensor?
- The MQ-4 gas sensor is a device that is used to detect the presence of methane gas in the air. It is often used in applications such as natural gas leak detection, indoor air quality monitoring, and in the oil and gas industry. The MQ-4 sensor is a type of metal oxide semiconductor (MOS) gas sensor. It works by measuring the conductivity of the air, which changes when the sensor is exposed to methane gas. The sensor has a high sensitivity to methane, making it well-suited for detecting low levels of the gas.
3. How does mq4 gas sensor work?
- The MQ-4 gas sensor works by measuring the conductivity of the air. When the sensor is exposed to methane gas, the conductivity of the air changes due to the presence of the gas. The MQ-4 sensor is a type of metal oxide semiconductor (MOS) gas sensor. It consists of a metal oxide layer that is sensitive to methane gas, as well as a heating element and a number of other components. When the heating element is powered, it heats the metal oxide layer, causing it to release electrons. The number of electrons released is proportional to the concentration of methane gas in the air.
