SERIES RHP HUMIDITY/TEMPERATURE TRANSMITTER

SERIES RHP HUMIDITY/TEMPERATURE TRANSMITTER

PORTABLE WIND METER

PORTABLE WIND METER

SERIES CDT CARBON DIOXIDE/TEMPERATURE TRANSMITTER

NDIR CO2 Sensor, Universal Outputs, Optional Relay

The Series CDT Carbon Dioxide and Temperature Transmitters accurately monitor the CO2 concentration and temperature in indoor environments to help achieve energy savings. For increased sensor accuracy, a single beam dual wavelength nondispersive infrared (NDIR) sensor is used to automatically correct the measurement in both occupied* and unoccupied buildings against light source aging effects. The single beam dual wavelength sensor technology provides the highest level of accuracy compared to Automatic Baseline Correction methods which can unintentionally shift the calibration based on CO2 levels and barometric pressure conditions. In order to achieve a higher level of accuracy, the Series CDT includes digital barometric pressure adjustment and the ability to field-calibrate the sensor. For applications that require visual indication, the wall mount configurations of the Series CDT can be ordered with an integral LCD display. Push buttons are standard on all configurations of the transmitters for access to the menu structure, but wall mount configurations can be ordered without the buttons. To prevent tampering, the action of the buttons can be locked out using an internal dip switch selection.

*For buildings occupied 24 hours per day, it is recommended that calibration be verified every 6 to 12 months depending on application.

Single beam dual-wavelength sensor advantages:

  • Automatically corrects for aging effects in occupied and unoccupied buildings
    • Perfect for hospitals and manufacturing plants that are occupied 24 hours per day
  • Measures actual unfiltered light intensity directly
    • Eliminates error from incorrect assumptions of gas concentration in theoretical logic assumption methods

Product Applications

  • Demand control ventilation in schools, office buildings, hospitals, and other indoor environments
  • LEED® certification
Starting at $192.00
Grouped product items
Model Description Availability* Qty Price
CDT-2D40 Carbon Dioxide Transmitter, duct mount, 2000 ppm CO2 range, 4 to 20 mA / 0 to (5 or 10) VDC CO2 output. Call for Details*
$198.00
CDT-2D44 Carbon Dioxide Transmitter, duct mount, 2000 ppm CO2 range, 4 to 20 mA / 0 to (5 or 10) VDC CO2 output & temperature output. Call for Details*
$210.00
CDT-2D4A Carbon Dioxide Transmitter, duct mount, 2000 ppm, CO2 transmitter with current/voltage CO2 outputs and 10K Ohm Type III thermistor temperature output. Call for Details*
$204.10
CDT-2D4B Carbon Dioxide Transmitter, duct mount, 2000 ppm, CO2 transmitter with current/voltage CO2 outputs and 10K Ohm Type II thermistor temperature output. Call for Details*
$204.10
CDT-2D4D Carbon Dioxide Transmitter, duct mount, 2000 ppm, CO2 transmitter with current/voltage CO2 outputs and PT100 Ohm RTD temperature output. Call for Details*
$205.10
CDT-2D4E Carbon Dioxide Transmitter, duct mount, 2000 ppm, CO2 transmitter with current/voltage CO2 outputs and PT1000 RTD temperature output. Call for Details*
$205.10
CDT-2D4F Carbon Dioxide Transmitter, duct mount, 2000 ppm, CO2 transmitter with current/voltage CO2 outputs and 20K Ohm thermistor temperature output Call for Details*
$204.10
CDT-2E40 Carbon Dioxide, Wall Mount, universal current/voltage output, European Housing. Call for Details*
$192.00
CDT-2E40-LCD Carbon Dioxide, Wall Mount, universal current/voltage output, European Housing, LCD Display. Call for Details*
$232.75
CDT-2E44 Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, European Housing. Call for Details*
$204.00
CDT-2E44-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, European Housing, LCD Display. Call for Details*
$244.75
CDT-2E4A Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 10K Type III Thermistor Temperature Output, European Housing. Call for Details*
$198.10
CDT-2E4A-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 10K Type III Thermistor Temperature Output, European Housing, LCD Display. Call for Details*
$238.85
CDT-2E4B Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 10K Type II Thermistor Temperature Output, European Housing. Call for Details*
$198.10
CDT-2E4B-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 10K Type II Thermistor Temperature Output, European Housing, LCD Display. Call for Details*
$238.85
CDT-2E4D Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, Pt100 RTD Temperature Output, European Housing. Call for Details*
$199.10
CDT-2E4D-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, Pt100 RTD Temperature Output, European Housing, LCD Display. Call for Details*
$239.85
CDT-2E4E Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, Pt1000 RTD Temperature Output, European Housing. Call for Details*
$199.10
CDT-2E4E-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, Pt1000 RTD Temperature Output, European Housing, LCD Display. Call for Details*
$239.85
CDT-2E4F Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 20K Thermistor Temperature Output, European Housing. Call for Details*
$198.10
CDT-2E4F-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 20K Thermistor Temperature Output, European Housing, LCD Display. Call for Details*
$238.85
CDT-2N40 Carbon Dioxide, Wall Mount, universal current/voltage output, North American Housing. Call for Details*
$192.00
CDT-2N40-LCD Carbon Dioxide, Wall Mount, universal current/voltage output, North American Housing, LCD Display. Call for Details*
$232.75
CDT-2N44 Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, North American Housing. Call for Details*
$204.00
CDT-2N44-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, North American Housing, LCD Display. Call for Details*
$244.75
CDT-2N4A Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 10K Type III Thermistor Temperature Output, North American Housing. Call for Details*
$198.10
CDT-2N4A-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 10K Type III Thermistor Temperature Output, North American Housing, LCD Display. Call for Details*
$238.85
CDT-2N4B Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 10K Type II Thermistor Temperature Output, North American Housing. Call for Details*
$198.10
CDT-2N4B-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 10K Type II Thermistor Temperature Output, North American Housing, LCD Display. Call for Details*
$238.85
CDT-2N4D Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, Pt100 RTD Temperature Output, North American Housing. Call for Details*
$199.10
CDT-2N4D-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, Pt100 RTD Temperature Output, North American Housing, LCD Display. Call for Details*
$239.85
CDT-2N4E Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, Pt1000 RTD Temperature Output, North American Housing. Call for Details*
$199.10
CDT-2N4E-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, Pt1000 RTD Temperature Output, North American Housing, LCD Display. Call for Details*
$239.85
CDT-2N4F Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 20K Thermistor Temperature Output, North American Housing. Call for Details*
$198.10
CDT-2N4F-LCD Carbon Dioxide/Temperature, Wall Mount, universal current/voltage output, 20K Thermistor Temperature Output, North American Housing, LCD Display. Call for Details*
$238.85

Specifications

Sensor:
Single beam, dual-wavelength NDIR.
Range:
CO2: 0 to 2000 or 0 to 5000 ppm (depending on model); Temperature: 32 to 122°F (0 to 50°C).
Accuracy:
CO2: ±40 ppm ±3% of reading; Temperature: ± 1° C @ 25°.
Temperature:
±1°C @ 25°C.
Temperature Dependence:
±8 ppm/°C at 1100 ppm.
Non-Linearity:
16 ppm.
Pressure Dependence:
0.13% of reading per mm of Hg.
Response Time:
2 min for 99% step change.
Duct Air Velocity Range:
0-4000 FPM (20.32 m/s).
Temperature Limits:
32 to 122°F (0 to 50°C).
Humidity Limits:
10 to 95% RH (non-condensing).
Power Requirements:
16 to 35 VDC or 19 to 28 VAC.
Power Consumption:
Average: 2 w; Peak: 3.75 w.
Output:
Current: 4 to 20 mA (max 500 Ω); Voltage: 0 to 5 VDC or 0 to 10 VDC (min 500 Ω);
Relay: SPST NO 2 A @ 30 VDC;
Weight:
4.4 oz (125 g).
Enclosure Rating:
Duct mount: NEMA 4X (IP66) for housing only; Wall mount: IP20.
Agency Approvals:
CE.

Features

  • Single beam dual wavelength NDIR sensor eliminates draft due to light source aging
  • Integral passive temperature outputs reduce number of devices mounted in the space
  • Service display tool available for models without an integral LED
  • Optional integral display and relay output

Accessories

Model Number Description
Remote display with mini USB display. A-449 Remote display with mini USB display.
Gas Calibration Kit <br/>
            <noscript>
                <img src= GCK-200CO-2000CO2 Gas Calibration Kit
(GROUND SHIPMENTS ONLY)
Accessory kit including terminal block and power supply. A-CDT-KIT Accessory kit including terminal block and power supply.
Remote display with push buttons and mini USB. (Necessary for models with –NBC option) A-449A Remote display with push buttons and mini USB. (Necessary for models with –NBC option)

Model Chart

EXAMPLE CDT 2 W 4 0 LCD Series CDT-2W40-LCD, Carbon Dioxide Transmitter, gas concentration range 200 ppm, wall mount, carbon dioxide output 0-5 VDC/0-10VDC/4-20mA, LCD display
SERIES CDT           Carbon DioxideTransmitter
GAS CONCENTRATION RANGE   2
5
        2000 ppm
5000 ppm
MOUNTING CONFIGURATION     W
D
E
N
      Wall Mount (Disc. Q4/2020)
Duct Mount
European Wall Mount
North American Wall Mount
CARBON DIOXIDE OUTPUT       4     0-5 VDC/0-10 VDC/4-20mA
TEMPERATURE OUTPUT         0
4
A
B
C
D
E
F
  NONE                        
0-5 VDC/0-10 VDC/4-20 mA
10K OHM Type 3 NTC Thermistor
10K OHM Type 2 NTC Thermistor
3K OHM NTC Thermistor (not available with Mtg Option E, N)
PT100 OHM RTD               
PT1000 OHM RTD              
20K OHM NTC Thermistor
OPTIONS           CE
COC
FC
LCD
NBC
RLY
CE Approval (Wall Mount only)
Certificate of Calibration
Factory Calibration Certificate
LCD Display
No Buttons (Wall Mount only)
Relay Output
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account