The DEW-10-2D1 utilizes a chilled mirror sensor to determine the dew point—the temperature at which water vapor condenses from the air. A solid-state heat pump cools a metallic mirror until condensation forms, with the mirror temperature continuously monitored by a platinum resistance thermometer (PRT). This method ensures accurate and stable dew point measurements, with an accuracy of ±0.5°C (±1.0°F). The transmitter offers a dew point range from -40°C to +58°C (-40°F to +136°F), making it suitable for energy management and process control applications. Maintenance is straightforward, involving periodic cleaning of the mirror and filter replacement to maintain optimal performance.
Features:
- Measurement Range: Dew point from -40°C to +58°C (-40°F to +136°F)
- Accuracy: ±0.5°C (±1.0°F)
- Output Signal: Linear 4-20 mA or PRTD
- Power Requirements: 24 VDC ±6V at 350 mA; optional 24/115/230 VAC ±10% 50/60 Hz 10 VA
- Operating Temperature: Sensor: -10°C to 70°C (0°F to 160°F); Electronics: 0°C to 60°C (32°F to 120°F)
- Response Time: 2 minutes maximum for one time constant at 100 meters/minute airflow
- Mounting Options: Wall, duct, and pipe configurations
- Maintenance: Easy mirror cleaning and filter replacement
- Applications: Suitable for building automation, mission-critical environments, and clean industrial processes
