Dwyer 3G-CBM-02242 — Technical Specifications
The Dwyer CDTA-2N000 is a CO2 detector for indoor air-quality monitoring in HVAC and building-control applications. It measures CO2 with ±50 ppm or ±5% accuracy, communicates via 2-wire RS-485 with Modbus RTU or BACnet MS/TP, and operates on 10 to 42 VDC or 10 to 30 VAC. Ideal for commercial facilities requiring networked environmental sensing.
Technical Specifications
| Parameter | Value |
|---|---|
| Co2 Accuracy | ±50 ppm or ±5% whichever is greater |
| Power Supply | 10 to 42 VDC / 10 to 30 VAC |
| Communication | 2-wire RS-485, Modbus RTU or BACnet MS/TP |
| Certifications | BTL, CE, RoHS |
| Humidity Range | 10 to 95% RH (non-condensing) |
| Co2 Non Linearity | 16 ppm |
| Co2 Response Time | 2 min to 99% |
| Power Consumption | 1.2 watts peak |
| Temperature Range | 0 to +50°C |
| Measurement Parameters | CO2, Humidity, Temperature, Temperature Setpoint |
| Co2 Temperature Dependence | ±8 ppm/°C at 1100 ppm |
Physical & Shipping Data
| Weight | 0.125 kg |
| Country of Origin | France |