Description
Details
HUABAN 1PCS MQ-139 MQ139 Freon CFCs Chloro Fluoro Carbon Gas Sensor Module R134A Detection High Sensitive with Alarm Signal Light: 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).
Key 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: 1PCS MQ-139
Product specifics
- Brand: HUABAN
- Category: Gas Detectors
- Size: 1PCS MQ-139
- Model: MQ-139
- Part number: UK-MW-Sensor-Gas-MQ-139-1PCS