CDTW191 / Room CO2 Trans, 0-2000ppm with 10K-III NTC Thermistor, 0-10Vdc/4-20mA, IP30, LCD, 15 year life
Specifications:
- Carbon dioxide (CO2)
- Sensor: NDIR sensor, with ABC algorithm*
- Sampling Method: diffusion
- Accuracy: (40+3%MV) ppm
- Response time(T90): ＜120s (30cc/min, low airflow)
- Drift: ＜±10ppm/year
- Range: 0~2000ppm (measure range 400~2000ppm)
- Output: 4~20mA, 0~10V, RS485/Modbus Temperature
- Sensor: Digital, RTD or thermistor, see models
- Range: 0~50°C
- Accuracy: see the accuracy table
- Output: 4~20mA, 0~10V, RS485/Modbus or RTD/ thermistor
- Power supply: 16~28VAC/16-35VDC
- Load resistance: ≤500Ω (Current output), ≥2kΩ (Voltage output)
- Display: Optional LCD Display (CDTW)
- Display resolution: 1ppm, 0.1°C
- Working environment: 0~50°C, 0~95%RH (Non-cond.)
- Temp. compensation: 0~50°C
- Storage temperature: -20~60°C
CDTW Carbon Dioxide (CO2) / Temperature Transmitte
Description
CDTW Carbon Dioxide (CO2) / Temperature Transmitter
The CDTW CO2 Transmitter is a reliable tool for monitoring indoor environments. It measures both carbon dioxide levels and temperature with high precision. This dual-purpose sensor helps you maintain a healthy atmosphere in offices, schools, and hospitals. By tracking gas levels, it ensures your ventilation system runs only when needed. This saves energy while keeping the air fresh for everyone inside. You can find more air quality sensors in our full collection here.
High Accuracy with the CDTW CO2 Transmitter
This device uses a professional NDIR sensor to track carbon dioxide. It includes a built-in ABC algorithm to manage long-term stability. This smart technology allows the sensor to calibrate itself automatically over time. It reduces the need for manual maintenance and lowers your total costs. The CDTW CO2 Transmitter offers a measurement range from 400 to 2000 ppm. This range is ideal for meeting international indoor air quality standards.
Flexible Outputs and Easy Integration
The CDTW series fits perfectly into any modern building automation system. It offers multiple output options to match your specific needs. You can choose from 4-20mA, 0-10V, or RS485 Modbus signals. This flexibility allows the sensor to talk to almost any HVAC controller. It also features an optional LCD display. This screen provides clear, real-time data for both temperature and CO2 levels. Technicians can check the environment quickly without using extra tools.
Monitor Real-Time Data with the CDTW CO2 Transmitter
Temperature tracking is another key feature of this device. It uses a high-quality digital sensor to monitor the thermal climate. The temperature range covers 0°C to 50°C, which fits most indoor applications. The device works reliably in environments with up to 95% humidity. Its robust housing protects the internal parts from dust and moisture. This ensures the CDTW CO2 Transmitter provides accurate data for many years.
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