HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro Carbon Gas Sensor Module R134A Detection High Sensitive with Alarm Signal Light
Robotics
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Home » Industrial & Scientific Store » Robotics » HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro Carbon Gas Sensor Module R134A Detection High Sensitive with Alarm Signal Light
24071
20942
Product Features :
- 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
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