A100LK-L Vector Anemometer

IEC 61400-12 class 1 anemometer ideal for wind-energy applications

The A100LK is an anemometer suitable for your general meteorology applications and wind-energy surveys. Its low power consumption and wide power-supply range make it popular for remote locations with no access to ac power, and its pulse/frequency signal is ideal for use with Campbell Scientific data loggers. The sensor is constructed from anodized aluminum alloys, stainless steel, and weather-resistant plastics for long life. It is used as part of our WMS100 wind-monitoring system. 

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Rotation of the A100LK’s three-cup rotor is electronically converted to pulse output signals proportional to wind speed. The A100LK produces a higher rate of pulses per revolution (up to 13) compared to relay-based sensors, making it suitable for wind surveying where turbulence needs to be estimated. 

Benefits and Features 

    • IEC Class 1 performance 
    • Low power consumption 
    • High rate of pulses per revolution produced makes it suitable for wind-surveying applications where turbulence is estimated 
    • Bearings protected from the entry of moisture droplets and dust, resulting in an instrument suitable for permanent exposure to the weather 
Sensor 3-cup anemometer
Measurement Description Wind speed
Signal Type/Output Electronic pulse
Range 0 to 77 ms-1
Threshold 0.15 ms-1 (starting speed 0.2 ms-1, stopping speed 0.1 ms-1)
Maximum Speed 77.22 ms-1
Accuracy 1% ±0.1 ms-1
Distance Constant 2.3 m ±10%
Calibration Data Supplied for anemometer and rotor at one test speed to an accuracy of ±1% at +15°C.
(12 Vdc supply and an analog output load of 1 MΩ)
Operating Temperature Range -30° to +70°C
Rotor 15.2 cm (6 in.) diameter three-cup rotor
Supply Voltage 6.5 to 28 Vdc
Current Consumption 2 mA maximum

1.6 mA typical (no output load)

Power-up Time 5 s
Surge Protection Vector PC3L2 anti-surge module fitted
Housing Diameter 5.5 cm (2.2 in.)
Height 19.5 cm (7.68 in.)
Weight 490 g (17.3 oz) including 3 m (10 ft) cable

Brochures: A100LK Class 1 Anemometer

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Manuals: A100LK Anemometer

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