![[Discontinued] MQ-139 Freon Halogen Gas Sensor for Arduino & Raspberry Pi](http://www.sainsmart.com/cdn/shop/products/417isk3boyl_large.jpg?v=1499267144)
![[Discontinued] MQ-139 Freon Halogen Gas Sensor for Arduino & Raspberry Pi](http://www.sainsmart.com/cdn/shop/products/41cm1xd6hhl_large.jpg?v=1499267144)
![[Discontinued] MQ-139 Freon Halogen Gas Sensor for Arduino & Raspberry Pi](http://www.sainsmart.com/cdn/shop/products/4124d4n4ptl._sx425_large.jpg?v=1499267144)
![[Discontinued] MQ-139 Freon Halogen Gas Sensor for Arduino & Raspberry Pi](http://www.sainsmart.com/cdn/shop/products/41zhnchsifl_large.jpg?v=1499267144)
Brand: SainSmart
SKU: 20-011-995
[Discontinued] MQ-139 Freon Halogen Gas Sensor for Arduino & Raspberry Pi
SKU: 20-011-995
$32.68
Description:
Detection range: 10 ppm -1000 ppmR134a
Character:
- High sensitivity to Freon Gas
- Long life and low cost
- Simple drive circuit
Product structure diagram:
Application:
For the family, the environment of the freon gas detection devices. Suitable for the R11, R22, R113, R134A, R409A, R410A, etc. detection.
Package List:
- 1X SainSmart MQ-139 MQ139 Freon Halogen Gas Sensor For Arduino UNO Mega2560 R3 Raspberry Pi
