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  • MQ137 Ammonia Detection Sensor NH3 Gas Sensor Detective Module
  • MQ137 Ammonia Detection Sensor NH3 Gas Sensor Detective Module
  • MQ137 Ammonia Detection Sensor NH3 Gas Sensor Detective Module
  • MQ137 Ammonia Detection Sensor NH3 Gas Sensor Detective Module
  • MQ137 Ammonia Detection Sensor NH3 Gas Sensor Detective Module

MQ137 Ammonia Detection Sensor NH3 Gas Sensor Detective Module

Availability: In stock, usually dispatched in 1 business day

  • Price:$31.80
  • Price in reward points: 318 Reward Points: 3
  • Quantity 3+ units 10+ units 30+ units 50+ units More
    Price /Unit $31.16 $30.53 $29.57 $28.30 Contact US
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MQ137 Ammonia Detection Sensor NH3 Gas Sensor Detective Module
 

Features:
- With the signal output LED indication
- 2-way signal output (analog output, and TTL-level output)
- TTL output valid signal is low; (low output signal light, which can be accessed microcontroller IO port)
- Analog output increases with the concentration, the higher the voltage the higher the concentration
- Ammonia has a high sensitivity and selectivity
- With a long life and reliable stability
- Fast response characteristics
- With mounting holes for easy permanent installation
- The probe can plug design for easy testing
 
Application:
- For the family, the environment of hazardous gas detection device, suitable for the detection of ammonia vapor, ammonia gas sensors tested concentration range: 10 to 300ppm
 
Specifications:
- Size: 32mm x 22mm x 30mm
- Main chip: LM393, NH3 gas-sensing probe
- Working voltage: DC 5V

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