

MQ-7 CO Carbon Monoxide Coal Gas Sensor Module detects the concentrations of CO in the air and outputs its reading as an analog voltage. The sensor can measure concentrations of 10 to 10,000 ppm. RoboticsBD
The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V.
This module provides both digital and analog outputs. The threshold level for digital output can be easily adjusted using the preset on the board. The MQ-7 sensor module can be easily interfaced with Micro-controllers, Arduino and etc. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
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Temperature: 20°C ± 2°C
Humidity: 65% ± 5% RH
Standard Test Circuit: Vc: 5.0V ± 0.1V; Vh(high):5.0V±0.1V
Vh(low): 1.5V±0.1V
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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 |
Weight (gm) | 20 |
Shipment Weight | 0.01 kg |
Shipment Dimensions | 4 × 4 × 4 cm |
Please allow 5% measuring deviation due to manual measurement.
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1 x MQ-7 Carbon Monoxide Gas Sensor.
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The latest price of MQ-7 Carbon Monoxide Gas Sensor in Bangladesh is BDT 178 You can buy the MQ-7 Carbon Monoxide Gas Sensor at best price from our RoboticsBD or visit RoboticsBD Office.
Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: RBD-0094
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Reference: RBD-0661
For Standard LCD 16x2 with Male Header. Press here For Standard LCD 16x2 with Female Header. Press here For Standard LCD 16x2 with I2C adapter board soldered. Press here. For Standard LCD 16x2 with White Background. Press here. For Standard LCD 16x2 with Blue Background. Press here.
Reference: RBD-0671
Operating Voltage:+5V Preheat Duration:20 s Analog Output Voltage:0 to 5 V Dimension:36x20x21 mm. RoboticsBD
Reference: RBD-0672
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Reference: RBD-0673
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Reference: RBD-0674
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Reference: RBD-0675
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Reference: RBD-0677
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Reference: RBD-0678
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Reference: RBD-0679
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Reference: RBD-2088
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Reference: RBD-1671
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Reference: RBD-2075
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Reference: RBD-0622
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Reference: RBD-2100
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Reference: RBD-1756
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Reference: RBD-0355
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Reference: RBD-0312
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Reference: RBD-1717
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Reference: RBD-0551
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Reference: RBD-1648
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Reference: RBD-2083
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Reference: RBD-0555
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Reference: RBD-2094
The module can detect the surrounding environment of the humidity and temperature High reliability and excellent long-term stability The output from the digital output Humidity measuring range: 20%~90%RH(0~50 degree (temperature compensation). Temperature measuring range: 0~+50degree. Humidity measurement accuracy: ±5.0%RH. Temperature measurement...
Reference: RBD-0151
Operating voltage 3.3V-12V A fixed bolt hole for easy installation Wide voltage LM393 comparator Maximum output current: 15mA Can work on low voltages
Reference: RBD-1210
Single Supply:2.7-36V High Responsivity:0.45A/W(650nm) Bandwidth:14Khz
Reference: RBD-1951
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Reference: RBD-0352
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Reference: RBD-1914
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Reference: RBD-1854
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Reference: RBD-2132
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Reference: RBD-0553
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Reference: RBD-1195
Temperature Coefficient Type: NTC Thermal Time Constant: 10s Resistance 10kΩ Tolerance: ±1%
Reference: RBD-1243
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Reference: RBD-1211
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Reference: RBD-2095
Detection distance: 2-40cm IO Interface: 4-wire interfaces (- / + / S / EN) Output signal: TTL level Adjustment: adjust multi-turn resistance Effective angle: 35 ° **Please be advised that the majority of our customers have left negative reviews for this product. We recommend that you do not make a purchase unless you are absolutely certain that you can...
Reference: RBD-2056
Mounting form Polish rod probe The Probe material: Stainless steel Probe diameter: 4mm Length of the probe: 30mm Cabel material Silver plated copper (not insulated), PTFE Silver plated copper (Waterproof, insulated) Accuracy ±(0.3°C+0.5%|t|) Thermal response time: <0.5sSize: 4*30*500mmRange: -50C ~ 200C
Reference: RBD-0564
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Reference: RBD-1202
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Reference: RBD-1194
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Reference: RBD-0022
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Reference: RBD-1751
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Reference: RBD-0677
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Reference: RBD-2138
Arduino compatibility Full integration USB-TTL converter 32 Mb flash memory Dual microcontrollersA high-quality USB cable is essential for this board to ensure sufficient current supply; otherwise, your board may not be recognized by the Windows Device Manager. Please avoid using mobile phone cables and instead use the recommended cable available here:...
Reference: RBD-1064
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Reference: RBD-1934
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Reference: RBD-1397
Programmer: CH340 Operating Voltage 5V Input Voltage (recommended) 7-12V Input Voltage (limits) 6-20V Digital I/O Pins 54 (of which 15 provide PWM output) Analog Input Pins 16 DC Current per I/O Pin 40 mA DC Current for 3.3V Pin 50 mA Flash Memory 256 KB of which 8 KB used by bootloader