Lufft WS302 Multi-Parameter Weather Sensor

The Lufft WS302 Multi-Parameter Weather Sensor simultaneously measures air temperature, humidity, pressure and solar radiation in a compact platform with ventilated housing.

Features

  • Integrated pyranometer for solar radiation measurements
  • Easily mounts to 2" diameter pipe with integrated bracket mount & U-bolts
  • SDI-12 output for integration with NexSens and other data loggers
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Overview
The Lufft family of multi-parameter weather sensors offer a cost-effective, compact alternative for the acquisition of a variety of measurement parameters on land- and buoy-based weather stations. Depending on the model, each sensor will measure a different combination of weather parameters to meet a wide variety of applications.

Air Temperature & Humidity
Temperature is measured using a highly accurate NTC-resistor, while humidity is measured using a capacitive humidity sensor. Both sensors are located in a ventilated radiation shield to reduce the effects of solar radiation.

Pressure
Absolute air pressure is measured using a built-in MEMS sensor. The relative air pressure referenced to sea level is calculated using the barometric formula with the aid of the local altitude, which is user-configurable on the equipment.

Solar Radiation
The pyranometer is intended for shortwave global solar radiation measurements in the spectral range from 300 to 1100nm. The thermopile sensor construction measures the solar energy that is received from the total solar spectrum and the whole hemisphere. The output is expressed in Watts per square meter.

  • Air Temperature
  • Principle: NTC
  • Measuring Range: -50 to +60 C
  • Resolution: 0.1 C (-20 to +50 C); otherwise 0.2 C
  • Accuracy: +/-0.2 C (-20 to +50 C); otherwise +/-0.5 C
  • Units: C; F
  • Humidity
  • Principle: Capacitive
  • Measuring Range: 0 to 100% RH
  • Resolution: 0.1% RH
  • Accuracy: +/-2% RH
  • Units: % RH; g/m3; g/kg
  • Pressure
  • Principle: Capacitive
  • Measuring Range: 300 to 1200hPa
  • Resolution: 0.1hPa
  • Accuracy: +/-1.5hPa
  • Unit: hPa
  • Radiation
  • Response Time (95%): <1s
  • Spectral Range: 300 to 1100 nm
  • Measuring Range: 1400 W/m2
  • Technical Data
  • Interface: SDI-12, Modbus
  • Operating Temperature: -50 to +60 C
  • Operating Humidity: 0 to 100% RH
  • Included Cable Length: 10m
  • (1) WS302 Multi-Parameter Weather Sensor
  • (1) 10m sensor cable
  • (1) Operations manual
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