03101-L Wind Sentry Anemometer

Reliable, Accurate Wind Speed

The 03101 is the three-cup anemometer included with our Wind Sentry Sets. You can purchase it separately if your application requires only wind speed measurements. The 03101 connects directly to a Campbell Scientific data logger, which measures the anemometer’s pulse signal and converts the signal to engineering units (mph, m/s, knots). 

Category:

The 03101 uses a cup wheel assembly to measure wind speed. Rotation of the cup wheel produces an ac sine wave that is directly proportional to wind speed. The frequency of the ac signal is measured by a data logger pulse count channel, then converted to engineering units (mph, m/s, knots). Campbell Scientific’s version uses shielded bearings, which lowers the anemometer’s threshold.

Benefits and Features 

    • Ideal for applications that do not require wind direction measurements 
    • Compatible with most Campbell Scientific data loggers 
    • Designed for continuous, long-term, unattended operation in adverse conditions 
    • Small size, simplicity, and rugged construction provide a quality instrument for a modest price 
    • Ideal for wind profile studies 
    • Compatible with the LLAC4 4-channel Low-Level AC-Conversion Module, which increases the number of anemometers one data logger can measure 
    • Campbell Scientific version uses shielded bearings, which lowers the anemometer’s starting threshold 
Sensor 3-cup anemometer
Measurement Description Wind speed
Range 0 to 50 m/s (112 mph)
Gust Survival 60 m/s (134 mph)
Sensor 12-cm diameter cup wheel assembly, 40-mm diameter hemispherical cups
Accuracy ±0.5 m/s (1.1 mph)
Turning Factor 75 cm (2.5 ft )
Distance Constant 2.3 m (7.5 ft) 63% recovery
Starting Threshold 0.5 m/s (1.1 mph)
Transducer Stationary coil (1300 ohm nominal resistance)
Output Frequency 1 cycle per cup wheel revolution (0.75 m/s per Hz)
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)
Operating Temperature Range -50° to +50°C (assumes non-riming conditions)
Cup Wheel Diameter 12 cm (4.7 in.)
Height 23.4 cm (9.2 in.)
Weight 113 g (4 oz)

03101-L Wind Sentry Anemometer

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03002 Wind Sentry Set and 03101 Wind Sentry Anemometer

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