Vaisala

Vaisala

- Thermistor

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The SWI Thermistor is designed specifically for use with the Nomad 2 wind data logger. It consists of a 10K type thermistor encased in an aluminum shaft, and comes pre-wired with 3.5 meters of sensor cable. The thermistor's resistance changes with temperature, following a known but non-linear curve. The Nomad 2 measures the resistance of the thermistor and uses a lookup table with over 4,096 values to determine the temperature. The sensor is wired to 2.5V excitation on the data logger's terminal strip, and will run on the 9V power being supplied to the logger.

The SWI Thermistor is designed specifically for use with the Nomad 2 wind data logger. It consists of a 10K type thermistor encased in an aluminum shaft, and comes pre-wired with 3.5 meters of sensor cable. The thermistor's resistance changes with temperature, following a known but non-linear curve. The Nomad 2 measures the resistance of the thermistor and uses a lookup table with over 4,096 values to determine the temperature. The sensor is wired to 2.5V excitation on the data logger's terminal strip, and will run on the 9V power being supplied to the logger. To minimize errors due to direct sunlight, use the radiation shield described below.

Features

  • No active electronic components
  • High reliability and stability, no calibration necessary
  • Accurate to ±0.2°C between 0° to 50°C
  • -40° to 105°C temperature range

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