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Description
Features:
| CATEGORY | SPECIFICATIONS |
|---|---|
| Product Type | Intelligent CO₂ Gas Sensor Module |
| Model | MH-Z14A |
| Sensor Type | NDIR (Non-Dispersive Infrared) CO₂ sensor |
| Detection Gas | Carbon Dioxide (CO₂) |
| Detection Range | 0 – 5000 ppm |
| Accuracy | ±50 ppm |
| Operating Voltage | DC 4 – 6 V |
| Operating Current | ~50 mA average, up to 100 mA peak |
| Output Types | UART (Serial), Analog (DAC), PWM |
| Analog Output | 0.4 V – 2.0 V (linear with CO₂ concentration) |
| Digital Output | UART serial data (9600 baud, 8N1) |
| Response Time | ≤ 30 seconds |
| Preheating Time | ~180 seconds |
| Operating Principle | Infrared absorption (NDIR) gas concentration measurement |
| Temperature Compensation | Built-in |
| Selectivity | High selectivity, non-oxygen dependent |
| Humidity Range | 0 – 90% RH |
| Operating Temperature | 0 °C – 60 °C |
| Storage Temperature | -20 °C – 60 °C |
| Physical Size | 57 mm × 35 mm × 15 mm |
| Build Features | Gold-plated gas chamber, anti-corrosion, waterproof design |
| Key Advantages | Long life, high stability, low power, accurate CO₂ measurement |
| Key Features | Multi-output (UART/Analog/PWM), linear response, stable performance |
| Applications | Air quality monitoring, HVAC systems, smart homes, schools, air purifiers, ventilation systems, environmental monitoring |
Package Includes:
- 1 x Carbon Dioxide Sensor
- 1 x Cable
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