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MQ-138 甲醛氣體感測器模組

MQ-138 甲醛氣體感測器模組

貨號:CSS0034


NT$900
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【產品簡介】

MQ138 Formaldehyde Aldehydes Sensor Module  is sensor used for the detection of most of the volatile gases such as:
  • Aaldehydes
  • Alcohols
  • Ketones
  • Aromatic compounds

Equiped with SnO2 sensitive sensor material which has higher sensitivity upon high gas concentration. The sensor can be used as breath alcohol detector, and etc.

【接線示意圖】


【產品規格】

  • Module with MQ138 gas sensor and circuitry to enable easy plug and use, just connect power and the module is ready to interface with microcontroller.
  • Working voltage: DC 5V
  • Comes with power and digital signal LED indicator
  • 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 Aldehydes, alcohols, ketones, aromatic compounds with high sensitivity
  • With a long life and reliable stability
  • Fast response characteristics
  • With mounting holes for easy permanent installation
  • Main chip: LM393, formaldehyde-sensing probe
  • Size: 35mm x 20mm x 28mm
  • Weight: 14 g

【產品特色】

For home, volatiles environment detection means, be suitable for detection of aldehydes, alcohols, ketones, aromatic compounds, gas sensitive element concentration ranges: 
  • Benzene 1 to 100ppm
  • Toluene 10 to 100ppm
  • Methanol 5 to 100ppm
  • Alcohol 30 to 300ppm
  • Formaldehyde 1 to 10ppm
  • Acetone 10 to 300ppm
【文件下載】




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  • 7-11 取貨付款 (運費60元)
  • 7-11 純取貨 (運費60元)
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  • 全家 純取貨 (運費60元)

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