ZEO3-H₂S Sensor Module

The ZEO3-H₂S Sensor Module is a high-precision electrochemical gas detection module specifically designed to detect hydrogen sulfide (H₂S) in air. Featuring a compact design and stable performance, it delivers accurate measurements with minimal interference from other gases.

Ideal for environmental monitoring, industrial safety, wastewater treatment, and smart gas detection systems, the ZEO3-H₂S offers flexible integration options with UART, analog, and I²C output modes, making it easy to embed into gas analyzers, controllers, and IoT applications.

• Target Gas: Hydrogen Sulfide (H₂S)

• Detection Principle: Electrochemical

• Measurement Range: 0 – 100 ppm (typical)

• Resolution: 0.1 ppm

• Accuracy: ±3% F.S.

• Output Signals: UART (default), I²C, Analog (0.4 – 2V)

• Response Time (T90): ≤ 30 seconds

• Operating Voltage: 3.7 – 5.5V DC

• Working Current: < 20 mA

• Operating Temperature: -20°C to +50°C

• Operating Humidity: 15% – 90% RH (non-condensing)

• Lifespan: > 2 years (in clean air)

• Dimensions: Approx. 32 × 20 × 12 mm

• Applications:

  • Wastewater treatment plants

  • Industrial safety systems

  • Smart gas detection devices

  • Environmental and air quality monitoring

  • Laboratory gas analysis