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MQ137 NH3 Ammonia Gas Sensor Module Ammonia Gas Detector Range 5-500ppm Output 0-5V
Features:
- With level signal output & alarm signal indicators
- With analog signal output, voltage 0 to 5V
- Effective low level output signal can be used to driven PNP transistors. And it can be connected to the IO port of micro-controller
- Analog output voltage increases as the intensity of the gas picks up
- Highly sensitive to ammonia, trimethylamine, ethanolamine gas
- Longer service life and reliable stability
- With temperature compensation function, it is more reliable to use
- Fast to response and recover after preheating
- Easy to install with mounting holes
- Plug-to-play probe for easy testing
Specifications:
- Test Gas: Ammonia
- Detection Range: 5 to 500 ppm
- Working Voltage: DC 5V
- Working Current: 180mA
- Output Voltage: 0 to 5V
- Sensitivity: > 3%
- Circuit Voltage: ≤DC 5V
- Load Resistance: Adjustable 10K
- Component Power Consumption: ≤0.9W
- Life Span: 5 Years
- Working Temperature: -10 to 50℃ (Nominal temperature 20℃)
- Humidity: 95% RH (Nominal humidity 65% RH)
- Response Time: ≤1S (Warm-up in 30-50mins)
- Recovery Time: ≤30S
- Size: 40 x 35 x 28mm
- Weight: Around 16g
Package Included:
- 1 x Ammonia Gas Sensor Module 
