OTT HydroMet

- Model LUFFT WS3100 - Reference Weather Sensor

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New class of Smart Weather Sensors with high-quality aluminum housing: WS3100 Climate Reference Sensor for Calibration / Verification of Air Temperature, Relative humidity is measured by means of a heated capacitive sensor element; a precision PT100 measuring element is used to measure air temperature. A resonant pressure transducer is employed for precise pressure measurement. Due to the integrated Kipp & Zonen CMP10 pyranometer, global radiation values are in a secondary standard quality.

Accuracy in detail:

  • Temperature better than +/- 0.1°C
  • Relative Humidity better than +/- 2%
  • Air Pressure better than +/- 0.1 hPa
  • Solar Radiation better than 5% W/m2 (secondary standard)

Measurement output can be accessed by the following protocolls: UMB-Binary, UMB-ASCII, SDI-12, MODBUS, NMEA.

  • Parameters measured: Temperature, relative humidity, air pressure (redundant pressure as option)
  • Measurement technology: PT100/Temp, Capacitive/RH, MEMS Resonant Pressure transducer, Kipp&Zonen CMP10 / radiation
  • Product highlights: Compact all-in-one weather sensor, heater, aspirated radiation shield, maintenance-free operation, open communication protocol
  • Interfaces: RS485, 2-wire, half-duplex/WiFi

Advantages of the WS3100 Climate Reference Sensor
  • New class of Weather Sensor with high-quality aluminum housing
  • Traceable accuracy, due to detailed calibration certificates, performed by an accredited laboratory for every sensor
  • Modular architecture, which allows easy maintenance and calibration possibilities for every single sensor
  • Drift-free sensing technologies
  • Excellent survivability under extreme conditions
  • Full-metal construction with ventilated air temperature / humidity measurements
  • CMP10 Secondary Standard Kipp & Zonen Pyranometer included

Accuracy in Detail:

  • Temperature better than +/- 0.1°C
  • Relative Humidity better than +/- 2%
  • Air Pressure better than +/- 0.1 hPa
  • Solar Radiation better than 5% W/m2 (secondary standard)

Examples of use for the WS3100 Climate Reference Sensor

The robust and high precise Climate Reference Sensor WS3100 is designed for professional meteorological applications in all climate zones. It delivers highly reliable data, even in extreme ambient conditions.

Examples of use:

  • Calibration / Verification of Air Temperature, Relative Humidity, Air Pressure 
  • Aviation weather (AWOS Systems) - redundant pressure measurement as option available
  • Climate meteorological reference station
  • Hydro-meteorological reference station

  • General :
    • Dimensions : Ø ca. 250 mm, height approx. 470 mm
    • Weight : Approx. 5 kg
    • Interface : RS485, 2 - wire, half - duplex/WiFi
    • Power consumption : 24 VDC/typical 4W
    • Operating temperature : -40 ... 60 °C (with optional test expendable to -60...60 °C)
    • Operating rel. humidity : 0...100 % RH
    • Protection level housing : IP66
  • Temperature :
    • Principle : PT100
    • Measuring range : -60 ... 60 °C
    • Unit : °C
    • Accuracy : ±0.1 °C
    • Resolution : 0.01 °C
  • Relative Humidity :
    • Principle : Capacitive
    • Measuring range : 0 ... 100 % RH
    • Unit : % RH
    • Accuracy : ±2 % RH
    • Resolution : 0.1 % RH
  • Air pressure :
    • Principle : MEMS Resonant Pressure transducer
    • Measuring range : 300 ... 1100 hPa
    • Unit : hPa
    • Accuracy : ±0.1 hPa
    • Resolution : 0.01 hPa

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