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MQ-7 Gas Sensor Module
৳ 155
A simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 10 to 500ppm. This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance.
- Operating voltage: DC 5V
- Analog output voltage, the higher the concentration the higher the voltage
- Carbon monoxide detection with better sensitivity
- Long service life and reliable stability
- Rapid response and recovery characteristics
- Range: 10 to 1000 ppm
In stock
MQ-7 Gas Sensor Module
MQ-7 Gas Sensor Module is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air. The MQ-7 can detect CO-gas concentrations anywhere from 10 to 500ppm. This sensor has a high sensitivity and fast response time. The sensor’s output is an analog resistance.
Sensitive material MQ-7 gas sensors used in clean air, low conductivity tin oxide (SnO2). High-low temperature cycling detection mode (1.5V heating) carbon monoxide detector, conductivity sensor with the increasing concentration of carbon monoxide gas in the air increases, high-temperature (5.0V heating) cleaning cryoadsorption stray gases. Using a simple circuit to change the conductivity, concentration of the gas is converted to the corresponding output signal. MQ-7 gas sensor of high sensitivity for carbon monoxide, this sensor can detect a variety of gases containing carbon monoxide, is a low-cost sensors for a variety of applications
Application: Can be used for home and factory gas leakage monitoring devices, suitable for liquefied petroleum gas, butane, propane, methane, smoke, etc.
| General Specification | |
| Operating voltage (v) | DC 5 |
| Range | 10 ~ 1000 ppm |
| Characteristic gas | 100 ppm CO |
| Sensitivity | ≥ 3%. |
| Return time | ≤ 30 sec |
| Heating resistance | ± 31 Ω |
| Heating current | ≤ 180 mA |
| Heating voltage | 5.0V ± 2V / 1.5 ± 1V |
| Heating power | approx. 350 mW |
| Ambient temperature (°C) | -20 ~ + 50 |
| Humidity | ≤ 95% RH |
| Oxygen content | 21%. |
| Length (mm) | 35 |
| Width (mm) | 20 |
| Height (mm) | 11 |
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What are MQ sensors?
MQ gas sensors are a family of sensors which are used to detect a wide variety of gases like alcohol, smoke, methane, LPG, hydrogen, NH3, Benzene, Propane etc. These sensors are made up of electrode which is coated with a sensing material, and it is heated to make it more reactive and sensitive.
What does MQ stand for in gas sensor?
MQ – 214 is a Methane (CH4) gas sensor detects the concentrations of methane in the air and outputs its reading as an analog voltage.
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MQ-7 Gas Sensor Module best price in BD (Bangladesh)
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