- About
- Description
- Specifications
- Features
- Downloads
- Shipping

Images are for illustration only and may not reflect the actual product. Refer to the description or specs.
Dwyer CDTV-2N4B4-LCD Carbon Dioxide Transmitter
Normally In Stock
Code: 568730
Dwyer CDTV-2N4B4-LCD - Wall Voc & CO2 transmitter, universal analog outputs, 2000 ppm CO2, 10K Ohm Type II temperature sensor with LCD display
Condition: New
Usually ships Same Day or Next Day$580.37
Sale Price
$483.64
Tariff Status
Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.
Need a large quantity or a custom solution?
Add this product to your job, favorites list or request a quick quote for volume pricing and lead time information. Our team is ready to assist with any special requirements.
Description
Dwyer CDTV-2N4B4-LCD Carbon Dioxide Transmitter is a versatile gas component with a temperature range of 32 to 122°F. With ±40 ppm ±3% accuracy, it requires power between 16 to 35 VDC or 19 to 28 VAC. This transmitter has a fast response time of 2 minutes and offers a range of 0 to 2000 or 0 to 5000 ppm for CO2. It features a reliable single-beam, dual-wavelength NDIR sensor and offers multiple output options including current, voltage, and relay. Additionally, it has an average power consumption of 2 watts and a velocity range of 0-4000 FPM.
Specifications
(Instrument-Sensor) NEMA Protection
NEMA 4X
(Instrument-Sensor) Measurement Accuracy
3%
(Instrument-Sensor) IP Protection
IP66
(Instrument-Sensor) IP Protection
IP20
(Instrument-Sensor) Type
Carbon Dioxide
(Instrument-Sensor) Type
Vocs
(Instrument-Sensor) Temperature Range
32 - 122°F/0 - 50°C
(Instrument-Sensor) Supply Voltage
16-35 VDC
(Instrument-Sensor) Supply Voltage
19-28 VAC
Component
Carbon Dioxide Transmitter
Manufacturer
Dwyer Instruments
Features
Combination VOC and CO2 outputs reduce labor and material costs
Single beam dual wavelength NDIR CO2 sensor allows for use in spaces that may be occupied 24 hours a day
VOC output is correlated to be equivalent to CO2 measurements
Ventilate using ASHRE’s occupancy-based VRP Algorithm
Downloads

Code: 568730
Dwyer CDTV-2N4B4-LCD Carbon Dioxide Transmitter
$580.37
Sale Price
$483.64