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  • wholesale MQ139 freon detection sensor R134A sensor
  • images/v/03000/A01184.jpg
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  • images/v/03000/A01184_02.jpg

MQ139 freon detection sensor R134A sensor

  • item#: A0118410845803085
  • Retail price: 0
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    26.11

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      Product Details

      Product Name: Freon sensor module (with analog and TTL signal output)

      Size: 32 mm X22mm X30mm length * width * height

      Main chip: LM393, RH134A gas sensor probe

      Working voltage: DC 5V


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