ICEFREE3V Wind Vane Sensor

Overview

The ICEFREE3V vane is an electrically heated potentiometer wind-direction sensor designed for ice-prone sites. With an applied excitation voltage, a ratiometric dc voltage output is produced.

The ICEFREE3V is manufactured by Renewable NRG Systems and has an 8 m (26 ft) cable.

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Detailed Description

The ICEFREE3V senses wind direction using a potentiometer. With the precision excitation voltage from the datalogger applied to the potentiometer element, the output signal is an analog voltage that is directly proportional to the azimuth of the wind direction.

Wiring Information

Gray Cable

  • Red - Excitation +
  • Black - Reference
  • White - Signal
  • Shield - Shield

Red Cable

  • Black - Heater
  • White - Heater

Specifications

Mechanical Range 360°
Electrical Range 352° (8° open)
Potentiometer Linearity Within 1%
Potentiometer Resistance 0 to 10 kΩ
Operating Temperature Range -40 to +80°C
Operating Humidity Range 0 to 100% RH
Supply Voltage 24 V ac/dc
Supply Current Inrush 8 A (maximum)
Supply Current Steady State 1 A at 20°C, 4 A under maximum thermal load (head frozen in clear ice then powered on)
Body Diameter 7.0 cm (2.75 in.)
Swept Diameter 21.2 cm (8.38 in.)
Center-to-Tail Radius 10.6 cm (4.19 in.)
Cable Length 8 m (26 ft)
Overall Assembly Height 23.9 cm (9.41 in.)
Weight 1.58 kg (2 lb)

Compatibility

Note: The following shows notable compatibility information. It is not a comprehensive list of all compatible or incompatible products.

Dataloggers

Product Compatible Note
CR1000
CR200X (retired)
CR300
CR3000
CR310
CR6
CR800
CR850

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