- Stock: In Stock
- Model: T741.ACD1100
ACD1100 Infrared Carbon Dioxide Sensor
The ACD1100 Carbon Dioxide Sensor by Asair is a compact and reliable infrared sensor, specifically engineered for precise CO₂ measurement in indoor environments. Utilizing Non-Dispersive Infrared (NDIR) technology, the ACD1100 provides steady and consistent readings, making it ideal for air quality monitoring, Heating, Ventilation, and Air Conditioning (HVAC) systems, smart home devices, and industrial applications.
Its 5-volt power source, low power consumption, and dual connectivity options (I²C and UART) ensure compatibility with a wide range of microcontrollers and development platforms such as Arduino and Raspberry Pi. With a long lifespan exceeding 5 years and rapid data updates every two seconds, it is perfect for real-time continuous monitoring.
Features
- High-precision CO₂ detection (±50 parts per million + 5% of the reading)
- Broad measurement range: 400–5000 parts per million
- Dual interface: I²C and UART
- Quick response time with data updates every two seconds
- Compact size for easy installation
- Ideal for air quality monitoring, smart homes, and industrial use
Technical Specifications
| Parameter | Value |
|---|---|
| Model | ACD1100 |
| Detection Range | 400 – 5000 parts per million |
| Accuracy | ±(50 parts per million + 5% of the reading) |
| Power Supply | 4.75 – 5.25 volts |
| Average Current | < 45 milliamps |
| Typical Power | 100 milliwatts at 5 volts |
| Warm-up Time | 120 seconds |
| Output Interfaces | I²C / UART |
| Data Update Interval | Every two seconds |
| Operating Temperature | 0 – 50 degrees Celsius |
| Operating Humidity | 0 – 95% relative humidity (non-condensing) |
| Storage Temperature | -20 – 60 degrees Celsius |
| Storage Humidity | 0 – 95% relative humidity (non-condensing) |
| Expected Lifespan | > 5 years |
Pin Definitions
| Pin Number | Name | Description |
|---|---|---|
| Pin 1 | SDA / RX | Data Input (I²C or UART) |
| Pin 2 | SCL / TX | Data Output (I²C or UART) |
| Pin 3 | GND | Ground |
| Pin 4 | VCC | Power Source (5 volts) |
| Pin 5 | SET | Connection Mode Selection |
Dimensions (mm)
- Width: 33mm
Height: 22mm
Thickness: 14.5mm
Mounting Hole Distance: 28mm
Infrared Sensor Diameter: 9.9mm
