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The MQ137 sensor is a gas sensor module is specially designed to detect and sense gases like ammonia (NH3) and carbon monoxide (CO). The MQ137 gas sensor module comes with digital pins that can be connected to a microcontroller like Arduino boards and come in handy when you are only trying to detect one particular gas.
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MQ-137 Ammonia Gas NH3 Sensor Module
The MQ137 sensor is a gas sensor module is specially designed to detect and sense gases like ammonia (NH3) and carbon monoxide (CO). The MQ137 gas sensor module comes with digital pins that can be connected to a microcontroller like Arduino boards and come in handy when you are only trying to detect one particular gas.
Applications of MQ137 Gas Sensor
Specifications:
Operating Voltage (VDC) | 5 |
Detect/Measure | NH3, Ammonia |
Concentration | 5-500ppm (Ammonia) |
Heater Resistance(RH) | 31Ω±3Ω Room Temp. |
Heater consumption(PH) | ≤900mW |
Sensing Resistance(Rs) | 2KΩ-15KΩ(in 50ppm NH3) |
Sensitivity(S) | Rs(in air)/Rs(5000ppm CH4)≥5 |
Slope(α) | ≤0.6(R100ppm/R50ppm NH3) |
Output Voltage(V) | 0 ~ 5 |
Length (mm) | 35 |
Width (mm) | 20 |
Height (mm) | 28 |
Weight (gm) | 10 |
Shipment Weight | 0.01 kg |
Shipment Dimensions | 5 × 4 × 1 cm |
1 x MQ-137 Ammonia Gas NH3 Sensor Module
Operating voltage | 2.5 3.0V |
Pixel Resolution | 0.3MP |
Photosensitive array | 640 x 480 |
Optical Size | 1.6 inch |
Angel of view | 67 degrees |
Maximum Frame Rate | 30fps VGA |
Sensitivity | 1.3V/(Lux-sec) |
Dormancy | Less than 20A |
Power consumption | 60mW/15fpsVGA YUV |
Temperature operation Range | -30 C ~ 70 C |
Pixel area | 3.6 x 3.6 m |
Signal to noise ratio (SNR) | 46 dB |
Dynamic range | 52 dB |
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