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Triton - Carbon Dioxide (CO2) Transmitter
CDTH series carbon dioxide (CO2) / temperature / humidity transmitters are designed for monitoring & controlling indoor air quality, temperature, and humidity in one unit. CDTHW is suitable for wall mount and CDTHD is suitable for duct mount. High-performance NDIR digital sensor and circuit, ensure precise measurement and temperature compensation. Multiple optional RTD or thermistor sensors, compatible with a variety of control systems. Stable, reliable, and fast response. 15 years of CO2 sensor life without maintenance. All electrical terminals are on the inside bottom, avoid any possible destroy to PCB when wiring(CDTHW). Digital technology applied, multiple outputs optional, over voltage and reverse polarity protection, high reliability and anti-interference capability. Large LCD with the unit indicator(CDTHW), display carbon dioxide (CO2), temperature and humidity alternatively.

- CARBON DIOXIDE (CO2 ): —
- SENSOR: NDIR sensor, with ABC algorithm*
- SAMPLING METHOD: diffusion
- ACCURACY: (40+3%MV) ppm
- RESPONSE TIME: <10s (30cc/min, low airflow)
- DRIFT: <±10ppm/year
- RANGE: 0~2000ppm (measure range 400~2000ppm)
- OUTPUT: 4~20mA, 0~10V, RS485/Modbus
- TEMPERATURE: —
- T- SENSOR: Digital, RTD or thermistor, see models
- T- RANGE: 0~50°C
- T- ACCURACY: see accuracy table
- T- OUTPUT: 4~20mA, 0~10V, RS485/Modbus or RTD / thermistor
- RELATIVE HUMIDITY: —
- RH - SENSOR: Digital polymer
- RH - RANGE: 0~100%RH
- RH - ACCURACY: see accuracy table
- RH - HYSTERESIS: <±1%RH
- RH - RESPONSE TIME: <10s (25°C, in slow air)
- RH - DRIFT: <±0.5%RH/year
- RH - OUTPUT: 4~20mA, 0~10V, RS485/Modbus
- RH - POWER SUPPLY: 16~28VAC/16-35VDC
- RH - LOAD RESISTANCE: ≤500Ω (Current output),≥2kΩ (Voltage output)
- DISPLAY: — Optional LCD Display (CDTHW)
- D - DISPLAY RESOLUTION: 1ppm, 0.1°C, 0.1%RH
- D - WORKING ENVIRONMENT: 0~50°C, 0~95%RH (Non-cond.)
- D - TEMP. COMPENSATION: 0~50°C
- D - STORAGE TEMPERATURE: -20~60°C
