Ammonia Gas Sensor MQ-137

Ammonia Gas Sensor MQ-137 comes under the category of sensors that interacts with the atmosphere parameters. MQ-137 specifically monitors the amount of ammonia in the air, to let the people breathe clean and quality air while working in the manufacturing environment specifically in the fertilizer industry.

This Sensor comes with both analog output and digital output therefore this sensor is very easy to interface with the controller. It consumes much low power while giving a very fast response which makes it highly reliable and power-efficient. This sensor has a built-in potentiometer to adjust the sensitivity of the sensor. These features make this sensor economical for the use of devices for commercial-scale manufacturing.

Features:

• Dual Output, Both Analog and Digital Output
• Small size sensor that can be used in any device or place.
• Runs for a lifetime
• Highly Stable Sensor
• Very Simple Interface
• Fast Response, which makes it useful in a real-time environment
• Highly Sensitive
• Adjustable Sensitivity

Pin Description:

1. V_CC: Input Voltage
2. GND: Ground
3. D₀: Digital Output
4. A₀: Analog Output

Specifications:

1. Input Voltage: 5V
2. Input Current: 150mA
3. Analog Output: 0 ~ 5V
4. Detectable Concentration: 5ppm to 200ppm
5. Operating Temperature: -10°C to 45°C
6. Dimensions of the module: 40mm x 21mm

Applications & Uses of Ammonia Gas Sensor MQ-137

1. Air Quality Monitors in industries and hospitals
2. Fertilizers Manufacturing Plants
3. Agriculture
4. Industrial Areas Living Premises
5. Handheld Ammonia Gas Detectors