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HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro
HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro
HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro

HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro Carbon Gas Sensor Module R134A Detection High Sensitive with Alarm Signal Light

Product ID : 46025271
4.3 out of 5 stars


Galleon Product ID 46025271
Shipping Weight 0.07 lbs
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Model MQ-138
Manufacturer HUABAN
Shipping Dimension 3.27 x 2.52 x 1.46 inches
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4,674

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*Packaging of actual item may differ from photo shown
  • Electrical items MAY be 110 volts.
  • 7 Day Return Policy
  • All products are genuine and original
  • Cash On Delivery/Cash Upon Pickup Available

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HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro Features

  • MQ-139 Sensor

  • Heating voltage: 5 +0.2V (AC·DC);Working current: 180mA;Circuit voltage: DC5V (Max DC24V);Clean air voltage: < 1.5V

  • Test concentration range :10-1000ppm ; Sensitivity: >3% ; Response time: < 1S (3-5 minute warm-up, theory preheating time 48 hours)

  • Working temperature: -10 ~ 50 oC (nominal temperature 20 oC) ; Humidity: 95% RH (nominal humidity 65% RH)

  • Size: 35mm×40mm×28mm


About HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro

Features: 1, Heating voltage: 5 ±0.2V (AC·DC) 2, Working current: 180mA 3, Circuit voltage: DC5V (Max DC 24V) 4, Load resistance: 10K (adjustable) 5, Test concentration range :10-1000ppm 6, Clean air voltage: 3% 8, Response time: