Series CDTC Communicating Carbon Dioxide Sensor

NDIR CO2 Sensor, Measures CO2, Temperature, Temperature Set Point, and Override

The Series CDTC Communicating Carbon Dioxide Sensor combines the function of two room sensors into a single, compact housing. Parameters include carbon dioxide, temperature, and temperature set point with override. By having field selectable Modbus® and BACnet Communications, only four wires are needed for power and the communication signal. The communicating detectors can be daisy chained together to further reduce installation cost. In order to reduce the set up time, the RS-485 MAC address is set up using on-board DIP switches. A second set of DIP switches are used to select whether output is Modbus® RTU or BACnet MS/TP communication protocols and to limit access to the set up menu.

Like our Series CDT Carbon Dioxide Transmitter, the Series CDTC uses a Single Beam Dual Wavelength Non-Dispersive Infrared (NDIR) sensor to measure the carbon dioxide level. This technology can be used in installations that will be occupied 24 hours per day. For improved accuracy, the transmitter can be field calibrated to the environmental conditions of the installation. Also, the barometric pressure can be programmed to correct for altitude.

Optional local and remote displays are available to display any of the parameters. For applications in which the building occupants aren’t familiar with CO2 concentrations, the LCD can be programmed to display temperature or temperature set point instead.

Product Applications

  • Demand control ventilation in schools, office buildings, hospitals, and other indoor environments
  • LEED® certification

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

COVID-19 Update: Due to high customer demand, lead time on some products may be up to two weeks. While this is a developing health situation, we are working continuously to take the necessary measures to ensure that the products you need are available with minimal interruption.

Build Your Custom Part. Use our Product Configurator

Model Description Usually Ships* Price Order
CDTC-2E000
Ships: Next Day
Price: $250.00
Communicating carbon dioxide transmitter with temperature output, 2000 PPM range and European housing Next Day* $250.00 Order
CDTC-2E000-LCD
Ships: Next Day
Price: $300.00
Communicating carbon dioxide transmitter with temperature output, 2000 PPM range, European housing an LCD display Next Day* $300.00 Order
CDTC-2N000
Ships: Next Day
Price: $250.00
Communicating carbon dioxide transmitter with temperature output, 2000 PPM range and North American housing Next Day* $250.00 Order
CDTC-2N000-LCD
Ships: Next Day
Price: $300.00
Communicating carbon dioxide transmitter with temperature output, 2000 PPM range, North American housing and LCD display Next Day* $300.00 Order
CDTC-5E000
Ships: 1-2 Weeks
Price: $250.00
Communicating carbon dioxide transmitter with temperature output, 5000 PPM range and European housing 1-2 Weeks* $250.00 Order
CDTC-5E000-LCD
Ships: 1-2 Weeks
Price: $300.00
Communicating carbon dioxide transmitter with temperature output, 5000 PPM range, European housing and LCD display 1-2 Weeks* $300.00 Order
CDTC-5N000
Ships: 1-2 Weeks
Price: $250.00
Communicating carbon dioxide transmitter with temperature output, 5000 PPM range and North American housing 1-2 Weeks* $250.00 Order
CDTC-5N000-LCD
Ships: 1-2 Weeks
Price: $300.00
Communicating carbon dioxide transmitter with temperature output, 5000 PPM range, North American housing and LCD display 1-2 Weeks* $300.00 Order

Can't find what you need? Build Your Custom Part. Use our Product Configurator

Specifications

Range:
0 to 2000 or 5000 PPM CO2 (depending on model); 32 to 122°F (0 to 50°C) temperature.
Accuracy:
±40 PPM ±3% of reading carbon dioxide; ± 1°C @ 25°C temperature.
Response Time:
<2 minutes, diffusion, carbon dioxide.
Sensor Technology:
NDIR (non-dispersive infrared); 15 year light source.
Temperature Limits:
32 to 122°F (0 to 50°C).
Output:
2-wire RS-485, Modbus® RTU or BACnet MS/TP communication protocol.
Temperature Dependence:
±8 PPM / °C at 1100 PPM carbon dioxide.
Non-Linearity:
16 PPM carbon dioxide.
Pressure Dependence:
0.13% of reading per mm Hg carbon dioxide.
Humidity Limits:
10 to 95% RH (non-condensing).
Power Requirements:
10-42 VDC or 10-30 VAC.
Weight:
4.4 oz (125 g).
Agency Approvals:
BTL, CE.

Features

  • Field selectable Modbus® and BACnet communications reduce wiring
  • Single beam dual wavelength CO2 sensor
  • Physical hardware lockout
  • Optional remote display tool

Options

  • -FC Factory Calibration available

Accessories

Model Number Description Usually Ships* Price Order
Gas Calibration Kit <br><b>(GROUND SHIPMENTS ONLY)</b> GCK-200CO-2000CO2 Gas Calibration Kit
(GROUND SHIPMENTS ONLY)
Next Day $367.00 Order
Remote display with mini USB display. A-449 Remote display with mini USB display. Next Day $52.00 Order
Accessory kit including terminal block and power supply. A-CDT-KIT Accessory kit including terminal block and power supply. 1-2 Weeks $36.25 Order

Model Chart

CDTC-XXXXX-OPT    CDT CARBON DIOXIDE DETECTOR
 
          1ST SYMBOL (1ST X) RANGE
             2    2000 PP
             5    5000 PPM
 
          2ND SYMBOL (2ND X) HOUSING 
             N    NORTH AMERICAN
             E    EUROPEAN
 
          3RD SYMBOL (3RD X) CO2 OUTPUT 
             0    NONE
 
          4TH SYMBOL (4TH X) TEMPERATURE OUTPUT 
             0    NONE
 
          5TH SYMBOL (5TH X) RH OUTPUT 
             0    NONE
 
          OPTIONS (OPT) 
            -LCD  LIQUID CRYSTAL DISPLAY
            -COC  CERTIFICATE OF CALIBRATION
            -FC   FACTORY CALIBRATION CERTIFICATE

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