Carbon Monoxide Sensor Dealers

• Part Number: MQ-7
• Application: Carbon monoxide detector
• Product Number:  
• Target Gas: Carbon monoxide
• Sensitivity: <0.5
• Resolution: 20 – 2000 ppm of CO
• Temperature range: -20 to 50 °C
• Sensing element type: semiconductor
• Input Voltage : 5.0 (+/-)0.1 V DC/AC
• Power Consumption: 350mW

• Weight: 0.01Kg(s)
• Usage: Gas Sensor
• Theory: Optical Sensor
• Output: Other

This Carbon Monoxide (CO) gas sensor detects the concentrations of CO in the air and ouputs its reading as an analog voltage. The sensor can measure concentrations of 10 to 10,000 ppm.The sensor can operate at temperatures from -10 to 50°C and consumes less than 150 mA at 5 V.

• Size: 40x20mm
• Sensitivity: High to Methane,Propene and CO
• High Heater Temp: 5V for Methane,Propane
• Low Heater Temp: 1.5V for CO
• Interface type: Analog
• Concentration: o 10-1000ppm CO o 100-10000ppm combustible gas
• Minimum Order Quantity: 1 Piece

FEATURES * High sensitivity to carbon monoxide * Stable and long life APPLICATION They are used in gas detecting equipment for carbon monoxide (CO) in family and industry or car.  

Carbon Monoxide Sensor Item Code: MQ-7 Application: The drive circuit is very simple , just a voltage devider; all you need to do is power the heater coil with 5V DC or AC , add a load resistance, and connect the output to an ADC or a simple OPAMP comparator.

• Voltage: 5V +/- 0.2V AC/DC
• Resolution: +- 3 ppm
• Model Number: MQ-7
• Working Temperature: -10 to 50 deg C
• Working Humidity: 95%RH
• Measuring Range: 0-300 ppm

• SENSOR: FIELD REPLACEABLE ELECTROCHEMICAL, 4 YEAR TYPICAL LIFESPAN.
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• RANGE: 0 TO 200 PPM.
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• COVERAGE AREA: 5000 TO 7000 SQ. FT. TYPICAL.
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• ACCURACY: ±2% OF READING AT THE TIME OF CALIBRATION.
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• OUTPUT DRIFT: <5% PER YEAR IN AIR.
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• TEMPERATURE LIMITS: -4 TO 122°F (-20 TO 50°C).
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• STORAGE TEMPERATURE: FOR BEST SENSOR LIFE, 32 TO 68°F (0 TO 20°C).
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• HUMIDITY LIMITS: 15 TO 90% RH CONSTANT; 0 TO 99% RH INTERMITTENT.
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• CALIBRATION: 15 TURN SPAN AND ZERO ADJUSTMENT POTENTIOMETERS.
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• HOUSING: UV RESISTANT POLYCARBONATE.
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• OUTPUT: JUMPER SELECTABLE 4 TO 20 MA (LOOP POWERED) OR 2 TO 10 V (LOAD MUST BE >50 KΩ).
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• Accuracy: ± 3% of F.S

High performance NDIR sensors and circuits, ensure accurate measurement and temperature compensation Good long term stability and reliability 15 Years Sensor Life Fast response Digital technology applied, multiple output optional, over voltage and reverse polarity protection, high reliability and interference capability Fast Response High protection rate up to IP65 carbon dioxide transmitters are designed for environment monitoring and controlling in industrial and commercial buildings. These transmitters can be used for: Air monitoring of supply, exhaust and return air Air monitoring in critical environment such as outside air Other applications of combustion measurement

• Size: 35mm × 22mm × 18mm
• Response Time: ≤1S (preheat 3-5 minutes)
• Response Time: ≤30S
• Detection of gas: carbon gas
• Heating voltage: 5 ± 0.2V (AC · DC)
• Working current: 140mA
• Loop voltage: 10V (maximum DC 15V)
• Load resistance: 10K (adjustable)
• Detection concentration range: 10-1000ppm
• Clean air voltage: ≤1.5V
• Sensitivity: ≥3%
• Element power: ≤0.7W
• Working temperature: -10
• Humidity: 95% RH (nominal humidity 65% RH)

Product ID: 1291 Testing gas: Carbon Monoxide Detection of concentration: 10-1000ppmCO Loop voltage: 10V DC Heater voltage: 5V±0.2V ACorDC(high), 1.5V±0.1V ACorDC(low) Load resistance: adjustable Heating resistor: 31±3(indoor temperature) Heating dissipation: 350mW Sensitive part surface resistance: 2K-20K Sensitivity: Rs(in air)/Rs(100ppmCO)5 Concentration gradient: 0.6 Temperature, humidity: 20±2, 65%±5%RH Standard test circuit: Vc c : 5v ±0.1v, Vh(high): 5v ±0.1v, Vh(low): 1.5v ±0.1v  

• Model Number: MQ-7
• Brand Name: Adraxx
• Response Time: More Than 1S (preheating 3-5 minutes)
• Dimension: 35mm x 20mm x 11mm
• Heater Voltage: 5+/-0.2VAC
• Working Temperature: -10
• Working Humidity: 95%RH (nominal humidity 65%RH)
• Loading Resistance: 10K (adjustable)
• Sensitivity: More Than 3%
• Component Power Consumption: More Than 0.7W
• Minimum Order Quantity: 50 Piece

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