Duct Carbon Dioxide (CO2) Transmitter CO2D-series

Description

The CO2D-Series is a duct-mounted Carbon Dioxide (CO2) transmitter that includes options for temperature and humidity measurement. It is equipped with a maintenance-free NDIR sensor and is designed for reliable, long-term monitoring in HVAC applications.

  • Key Specifications

    • CO2 Measuring Ranges: Selectable via DIP switches: 400-2,000 ppm, 0-2,000 ppm, 0-5,000 ppm, 0-10,000 ppm. Optional: 0-1,000 ppm (on request).
    • Output Options: 0-10 Vdc, 2-10 Vdc, 4-20 mA, 0-5 Vdc, or 1-5 Vdc. One output or two CO2 outputs available.
    • Estimated Operating Life: 15 years.
    • Accuracy: ±70 ppm + 3% of the reading.
    • Power Supply: 24 Vac/dc.
    • Calibration: ABC – Automatic Baseline Calculation.
  • Optional Features

    • Modbus RS485 communication.
    • LCD Display for real-time monitoring.
    • Relay Outputs: 1 x relay output or 2 x relay outputs, both individually configurable.
    • Buzzer for alerts.
  • Temperature and Humidity Options

    • Temperature Ranges: 0 to +50°C or -30 to +70°C.
    • Temperature Output: 0-10 Vdc, 2-10 Vdc, 4-20 mA, 0-5 Vdc, or 1-5 Vdc.
    • Humidity Range: 0-100% rH.
    • Humidity Output: 0-10 Vdc, 2-10 Vdc, 4-20 mA, 0-5 Vdc, or 1-5 Vdc.
  • Ordering Examples

    • CO2D 51:
      Two CO2 outputs, Output 1: 4-20 mA, Output 2: 0-10 Vdc.
    • CO2D 51 M:
      Two CO2 outputs, Output 1: 4-20 mA, Output 2: 0-10 Vdc. Modbus RS485 communication.
    • CO2D 51 MDR2B:
      Two CO2 outputs, Output 1: 4-20 mA, Output 2: 0-10 Vdc. Modbus RS485 communication, LCD Display, 2 x relay outputs, and Buzzer.
    • CO2D C1T1H1 MDR2B:
      CO2 Output: 0-10 Vdc, Temperature Output: 0-10 Vdc, Humidity Output: 0-10 Vdc, Modbus RS485 communication, LCD Display, 2 x relay outputs, and Buzzer.
  • Accessories

    EDP 100:
    Extra duct probe, Dimensions: 100 mm length x 30 mm diameter.
    Standard duct probe length is 100 mm.
    Extendable to 200 mm using EDP 100 (100 mm + 100 mm = 200 mm).

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