Product Description
This NDIR CO2 sensor features the SENSIRION SCD41 photoacoustic NDIR principle for high accuracy in a compact, cost-effective design. Delivers high accuracy, excellent long-term stability, built-in temperature/humidity compensation, surge/TVS/ESD/reverse polarity protection. Perfect for smart agriculture, greenhouses, air conditioning, and scientific research.
Technical Parameters
| Parameter | Range | Accuracy (at 25°C, 50% RH, 1013 mbar) | Resolution |
| CO₂ | 0 – 5000 ppm | 400–1000 ppm: ±(50 ppm + 2.5% reading) 1001–2000 ppm: ±(50 ppm + 3% reading) 2001–5000 ppm: ±(40 ppm + 5% reading) | 1 ppm |
| Temperature | -10 – 60 °C | 15–35 °C: ±0.8 °C -10–60 °C: ±1.5 °C | 0.1 °C |
| Relative Humidity | 0 – 100% RH | 15–35 °C, 20–65% RH: ±6% RH -10–60 °C, 0–100% RH: ±9% RH | 0.10% |
| Operating Environment | -10 – 60 °C, 0–95% RH (non-condensing) | ||
| Power Supply | 9 – 28 V DC | ||
| Power Consumption | 50 mA @ 12 V DC | ||
| Output | RS485 Modbus-RTU | ||
| IP Rating | IP50 | ||
| Installation | Wall mounting / Hanging | ||
| Cable Length | 2 meters (customizable) | ||
NDIR Technology Core Advantages
Dual-beam Compensation: Automatically compensates for light source aging and contamination effects； Anti-cross Interference: Not affected by water vapor, methane and other gase;
Maintenance-free Design: No consumables, 10 years calibration-free;
Temperature Compensation: Built-in temperature and humidity sensor for automatic correction
Main Application Fields
Smart Agriculture
- Greenhouse;Plant Factory;Mushroom Cultivation;Livestock Farming
- Building HVAC
Fresh Air System;Central Air Conditioning;VAV System;Smart Building; - Public Spaces
Office;School Classroom;Hospital;Hotel;Conference Room; - Industrial Monitoring
Food Processing;Cold Storage;Brewery;Laboratory;Underground Parking
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