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

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

The DWYER CDTR Series Carbon Dioxide/RH/Temperature Transmitter (MPN CDTR-2D4B4) is a duct-mounted detector transmitter for building management controllers, detecting carbon dioxide across a 0 to 2000 ppm range. It…

SKU 3G-OTH-554859

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

DWYER
Manufacturer Part Number
CDTR-2D4B4
Series
CDTR
Type
Carbon Dioxide, 4X
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 CDTR Series Carbon Dioxide/RH/Temperature Transmitter (MPN CDTR-2D4B4) 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, with a Type 4X enclosure.

Frequently Asked Questions

What is the DWYER CDTR-2D4B4 carbon dioxide transmitter used for?

The DWYER CDTR-2D4B4 is a duct-mounted detector transmitter that measures carbon dioxide levels from 0 to 2000 ppm, along with relative humidity and temperature, for building management controllers. It helps optimize HVAC ventilation and indoor air quality in commercial and industrial facilities.

What are the specifications of the DWYER CDTR-2D4B4?

The DWYER CDTR-2D4B4 operates on 16 to 35V DC or 19 to 28V AC, detects carbon dioxide from 0 to 2000 ppm, and mounts in a duct. It features a Type 4X enclosure and is designed for use with building management controllers. The series is CDTR.

Where to buy the DWYER CDTR-2D4B4 worldwide?

3G Electric supplies the DWYER CDTR-2D4B4 carbon dioxide transmitter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this detector transmitter.

How to install the DWYER CDTR-2D4B4 duct-mounted transmitter?

Install the DWYER CDTR-2D4B4 in a duct location with proper airflow, following the manufacturer's wiring diagram for 16 to 35V DC or 19 to 28V AC power. Ensure the sensor is oriented correctly and the enclosure seal is intact. Calibrate per the manual for accurate carbon dioxide 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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DWYER Carbon Dioxide/RH/Temperature Transmitter: Building Management Controllers, Carbon Dioxide, 4X (MPN CDTR-2D4A4). Key specifications — Brand: DWYER; Operating Voltage: 16 to 35V DC/19 to 28V AC; Gas Detected: Carbon Dioxide; Measurement Range: Carbon Dioxide (0 to 2000 ppm); Product Type: Detector Transmitter; Mounting Location: Duct; For Use With: Building Management Controllers; Series: CDTR.
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DWYER Carbon Dioxide/Temperature Transmitter: Building Management Controllers, Carbon Dioxide, CO2 (MPN CDT-2D44). Key specifications — Brand: DWYER; Operating Voltage: 16 to 35V DC/19 to 28V AC; Gas Detected: Carbon Dioxide; Measurement Range: Carbon Dioxide (0 to 2000 ppm); Product Type: Detector Transmitter; Mounting Location: Duct; For Use With: Building Management Controllers; Series: CDT.
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