Description
Dwyer CDT-2N40-LCD Carbon Dioxide Transmitter Overview
The Dwyer CDT-2N40-LCD is a wall-mount carbon dioxide transmitter engineered for accurate, real-time CO2 monitoring in commercial HVAC and building automation applications. Featuring a clear LCD display and flexible analog output options, this transmitter delivers reliable air quality data to help maintain healthy, energy-efficient indoor environments.
Key Features
- CO2 measurement range: 0 to 2000 ppm
- Analog outputs: 4 to 20 mA and selectable 0 to 5 Vdc or 0 to 10 Vdc
- Built-in LCD display for local CO2 readout
- Wall-mount enclosure for convenient installation
- No temperature output configuration (CO2 signal only)
- Ideal for demand-controlled ventilation (DCV) systems
- Compatible with BAS/BMS controllers accepting standard analog inputs
Application
The CDT-2N40-LCD is well-suited for offices, classrooms, conference rooms, retail spaces, and other occupied areas where indoor air quality monitoring and demand-controlled ventilation are required. Its dual analog output options make it easy to integrate with virtually any building automation or HVAC control system.
Product Specifications
- Brand: Dwyer Instruments
- SKU: CDT-2N40-LCD
- CO2 Range: 0 to 2000 ppm
- Output Signal: 4–20 mA / 0–5 Vdc or 0–10 Vdc (selectable)
- Temperature Output: None
- Display: LCD
- Mounting: Wall mount
