YJJ ZE300-C2H5OH High-Resolution Ethanol Gas Detection Module Is Suitable for Breath Alcohol Testers

Product Description:

YJJ ZE300-C2H5OH High-Resolution Ethanol Gas Detection Module Is Suitable for Breath Alcohol Testers

Features:

Core detection parameters

- Detected gas: Ethanol (alcohol C2H5OH)
- Measurement range: **0~5 ppm**
- Resolution: ≤ 0.01 ppm
- Preheating time: ≤ 3 min
- Response time: ≤ 60 s
- Recovery time: ≤ 60 s

Electrical and communication parameters

- Supply voltage: **3.7 ~ 5.5 VDC**
- Output signals:
1. UART serial port output (3V TTL level)
2. DAC analog voltage output (0.4~2V corresponds to 0~full scale)
- Communication: Active upload of concentration data, microcontroller directly reads

Environmental and mechanical parameters

- Working temperature: **-20℃ ~ +50℃**
- Working humidity: 15 ~ 90% RH (no condensation)
- Storage temperature: 0~25℃
- Dimensions: 17.1 × 19.2 × 4.5 mm
- Expected lifespan: 2 years (clean air environment)
- Interference: Minor CO and other gas exist in cross-interference

Pin definitions

1. PIN1: Reserved
2. PIN2: DAC analog output
3. PIN3: GND power ground
4. PIN4: Vin power input

Product features

1. Electrochemical principle, with high selectivity and linearity, built-in temperature compensation to reduce temperature drift error.
2. **Dual output (UART + DAC)**, two schemes of digital and analog, suitable for different main control development.
3. High resolution, suitable for low-concentration alcohol detection.
4. Low power consumption, small size, easy to integrate into portable devices.
5. Factory calibration, customers can directly conduct secondary development.

Typical application

1. Portable breath alcohol tester, alcohol detector
2. Vehicle alcohol lock device, vehicle alcohol monitoring
3. Monitoring of ethanol gas leakage in industrial environment
4. Alcohol detection equipment for security and transportation fields

Specifications: