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Dwyer CO2 detector Modbus CDTA-2N000 - Measurement

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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

Brand
Dwyer
Item
CO2 detector Modbus CDTA-2N000
Category
Measurement
UNSPSC
41112412 — Pressure gauge

Technical Specifications

Dwyer
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
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer measurement. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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