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Dwyer CO2 detector Modbus CDTA-2N000-LCD - Measurement
DwyerMeasurement

Dwyer CO2 detector Modbus CDTA-2N000-LCD

Dwyer CO2 detector with Modbus/BACnet connectivity measures indoor air quality across 0–2000 ppm range with 2 min response time. Operates on 10–42 VDC or 10–30 VAC, drawing 1.2 watts peak, for HVAC and building…

SKU 3G-CBM-02243

Brand
Dwyer
Item
CO2 detector Modbus CDTA-2N000-LCD
Part Number
CDTA2N000LCD
Category
Measurement
UNSPSC
41112412 — Pressure gauge
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Dwyer
Manufacturer Part Number
CDTA2N000LCD
power supply
10-42 VDC / 10-30 VAC
communication
RS-485 Modbus RTU or BACnet MS/TP
humidity limits
10 to 95% RH
power consumption
1.2 watts peak
response time co2
2 min for 99%
temperature limits
0 to +50°C
co2 measurement range
0-2000 ppm

Technical Documents

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

Product Description

Dwyer CO2 detector with Modbus/BACnet connectivity measures indoor air quality across 0–2000 ppm range with 2 min response time. Operates on 10–42 VDC or 10–30 VAC, drawing 1.2 watts peak, for HVAC and building automation applications.

Frequently Asked Questions

Where can I buy the Dwyer CDTA-2N000-LCD CO2 detector worldwide?

Order from 3G Electric, an authorised distributor of Dwyer measurement instruments. We handle sourcing, logistics, and customs worldwide. Lead time on request — contact us for availability and pricing.

What is the response time and measurement range of this Dwyer CO2 sensor?

The CDTA-2N000-LCD measures 0–2000 ppm CO2 with a 2 min response time to reach 99% accuracy. Operating range is 0°C to +50°C and 10–95% RH, suitable for HVAC and building automation control.

What power supply and communication options does the CDTA-2N000-LCD require?

The detector operates on 10–42 VDC or 10–30 VAC, consuming 1.2 watts peak. It communicates via RS-485 Modbus RTU or BACnet MS/TP for building management system integration.

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
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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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