Dwyer CO2 detector Modbus CDTA-2N000
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…
SKU 3G-CBM-02242
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Product Description
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.
Frequently Asked Questions
What is the response time and accuracy of the Dwyer CDTA-2N000?
The CDTA-2N000 achieves ±50 ppm or ±5% accuracy (whichever is greater) with a 2 min response time to 99% of CO2 concentration change. Non-linearity is ±16 ppm across the measurement range.
What communication protocols does the Dwyer CDTA-2N000 support?
The CDTA-2N000 features 2-wire RS-485 connectivity and supports both Modbus RTU and BACnet MS/TP protocols for integration into building-control and HVAC management systems.
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