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DWYER Carbon Dioxide/Temperature Transmitter: Building Management Controllers, Carbon Dioxide - Fixed Gas Detectors with Transmitters
DWYERFixed Gas Detectors with Transmitters

DWYER Carbon Dioxide/Temperature Transmitter: Building Management Controllers, Carbon Dioxide

The DWYER CDT Series Carbon Dioxide/Temperature Transmitter (MPN CDT-2D4A) is a duct-mounted detector transmitter for building management controllers, detecting carbon dioxide across a 0 to 2000 ppm range. It…

SKU 3G-OTH-554847

Brand
DWYER
Item
Carbon Dioxide/Temperature Transmitter: Building Management Controllers, Carbon Dioxide
Category
Fixed Gas Detectors with Transmitters
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Technical Specifications

DWYER
Manufacturer Part Number
CDT-2D4A
Series
CDT
Type
Carbon Dioxide, CO2
For Use With
Building Management Controllers
Gas Detected
Carbon Dioxide
Product Type
Detector Transmitter
Measurement Range
Carbon Dioxide (0 to 2000 ppm)
Mounting Location
Duct
Operating Voltage
16 to 35V DC/19 to 28V AC
Includes Calibration Certificate
No
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DWYER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER CDT Series Carbon Dioxide/Temperature Transmitter (MPN CDT-2D4A) is a duct-mounted detector transmitter for building management controllers, detecting carbon dioxide across a 0 to 2000 ppm range. It operates on 16 to 35V DC or 19 to 28V AC, integrating CO2 and temperature sensing into a single device for HVAC demand-controlled ventilation.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the DWYER CDT-2D4A carbon dioxide/temperature transmitter used for?

The DWYER CDT-2D4A is a duct-mounted detector transmitter that measures carbon dioxide levels from 0 to 2000 ppm and temperature for building management controllers. It enables demand-controlled ventilation in HVAC systems, optimizing indoor air quality and energy efficiency in commercial and industrial facilities.

What are the specifications of the DWYER CDT-2D4A?

The DWYER CDT-2D4A detects carbon dioxide (0 to 2000 ppm) and operates on 16 to 35V DC or 19 to 28V AC. It is a duct-mounted detector transmitter from the CDT Series, designed for use with building management controllers. It includes CO2 and temperature sensing in one unit.

Where to buy the DWYER CDT-2D4A worldwide?

3G Electric supplies the DWYER CDT-2D4A carbon dioxide/temperature transmitter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this duct-mounted CO2 detector transmitter.

How to install the DWYER CDT-2D4A duct-mounted CO2 transmitter?

Install the DWYER CDT-2D4A in a duct location with representative airflow, following the manufacturer's wiring diagram for 16 to 35V DC or 19 to 28V AC power. Ensure the sensing ports face the airflow. Calibration is recommended per the building management system's schedule for accurate 0 to 2000 ppm CO2 readings.

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 fixed gas detectors with transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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