Produal - Room CO2 Transmitter - HDH-5V Series Produal - Room CO2 Transmitter - HDH-5V Series
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Carbon Dioxide Transmitter/Controller (HDH-5V)

Application: HDH-5V transmitters are designed for precise detection and control of carbon dioxide concentration, temperature, and humidity within room spaces. This information is essential for implementing demand-based ventilation control systems, optimizing indoor air quality, and enhancing energy efficiency.

Features:

  • Comprehensive Monitoring: Monitors carbon dioxide concentration, temperature, and humidity, providing valuable data for ventilation control strategies tailored to occupancy and environmental conditions.
  • User-Friendly Display: The N model features a display where measurement values scroll, allowing users to lock the desired value for continuous viewing, facilitating real-time monitoring.
  • ABCLogic™ Self-Calibration: Utilizes the ABCLogic™ self-calibration method to eliminate potential long-term drift in measurements, ensuring accuracy and reliability over time. The ABCLogic™ function can be enabled or disabled using the ML-SER tool.
  • Flexible Control Output: Offers versatile control output options, allowing adjustment based on individual measurement values or the maximum selection of all values. Controller settings are customizable via the ML-SER tool, ensuring compatibility with various ventilation control systems.
  • Optional Equipment: The transmitter can be equipped with additional options, including carbon dioxide level indicator lights (HD-AL3), passive potentiometer (HD-P), active 0…5 V potentiometer (HD-PU), and relay (HD-R), providing enhanced functionality and customization as per specific requirements.

Technical Data:

  • Supply: 24 Vac/dc (22…28 V), < 2 W
  • Carbon Dioxide Measurement Range: 0…2000 ppm
  • Accuracy: ±40 ppm +3 % from reading (at 25 °C)
  • Long Term Stability: < 2 % FS per year (ABCLogic™)
  • Time Constant: < 2 min
  • Temperature Measurement Range: 0...50 °C
  • Accuracy (at 25 °C): ±0.5 °C
  • Humidity Measurement (RH models): Range 0…100 %rH, Accuracy (at 25 °C): ±2 %rH
  • Outputs: 0…5 V, < 2 mA
  • Operating Conditions: Temperature 0...+50 °C, Humidity 0...85 % RH (non-condensing)
  • Housing: IP20, ABS plastic
  • Mounting: Wall surface or standard flush mounting box (60 mm hole distance)
  • Dimensions: 87 x 86 x 30 mm

Part Numbers:
HDH-5V - Co2-/Temp.Transmitter Room 0-5 V
HDH-5V-N - Co2-/Temp.Transmitter Room 0-5 V
HDH-5V-RH - Co2-/Temp.Trans. Room 0-5 V+Rh
HDH-5V-RH-N - Co2-/Temp.Trans. Room 0-5 V+Rh


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