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03001-LC R. M. Young Wind Sentry Set for CS110 or MetData
Reliable, Accurate Wind Measurements
Special cable connectors
weather applications water applications energy applications gas flux & turbulence applications infrastructure applications soil applications


The 03001-LC consists of a 3-cup anemometer and a wind vane mounted on a small crossarm.

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The "-LC" version of this product terminates in a connector (instead of pigtails) for use with a CS110 Electric Field Meter or MetData1 Weather Station.  The length of the cable is specified at the time of order.


Detailed Description

This version of the 03001 Wind Sentry Set has a connector rather than the standard pigtails. The connector attaches to the CS110 Electric Field Meter or the retired MetData1 Weather Station.

The 03001-LC consists of a 3-cup anemometer and a wind vane mounted on a small crossarm. The cup anemometer measures wind speed. Rotation of its cup wheel produces an ac sine wave that is directly proportional to wind speed. The frequency of the ac signal is measured by a datalogger pulse count channel, then converted to engineering units (mph, m/s, knots). The Campbell Scientific version uses shielded bearings which lowers the anemometer’s threshold.

Wind direction is sensed by 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 azimuth of the wind direction.


Wind Speed (Anemometer)

Range 0 to 50 m s-1 (112 mph)
Gust Survival 60 m s-1 (134 mph)
Sensor 12 cm diameter cup wheel assembly
40 mm diameter hemispherical cups
Accuracy ±0.5 m s-1 (1.1 mph)
Turning Factor 75 cm (2.5 ft)
Distance Constant 2.3 m (7.5 ft) 63% recovery
Threshold 0.5 m s-1 (1.1 mph)
Transducer Stationary coil, 1350 ohm nominal resistance
Transducer Output
  • AC sine wave signal induced by rotating magnet on cup wheel shaft
  • 100 mV peak-to-peak (at 60 rpm)
  • 6 V peak-to-peak (at 3600 rpm)
Output Frequency
  • 1 cycle per cup wheel revolution
  • 0.75 m s-1 per Hz

Wind Direction (Vane)

Mechanical Range 360°
Electrical Range 355° (5° open)
Sensor Balanced vane, 16 cm turning radius
Accuracy ±5°
Damping Ratio 0.2
Delay Distance 0.5 m (1.6 ft) 50% recovery
  • 0.8 m s-1 (1.8 mph) at 10° displacement
  • 1.8 m s-1 (4 mph) at 5° displacement
  • Precision conductive plastic potentiometer
  • 10 kohm resistance
  • 0.5% linearity
  • Life expectancy 20 million revolutions
  • Rated 1 W at 40°C.
  • Rated 0 W at 125°C.
Transducer Output Analog dc voltage proportional to wind direction angle with regulated excitation voltage supplied by the datalogger


The 03001-LC is used with the CS110 Electric Field meter and the retired MetData1 Weather Station.