A100LK-L Vector Anemometer
IEC 61400-12 Class 1 Anemometer
Ideal for wind-energy applications
weather aplicaciones soportadas water aplicaciones soportadas energy aplicaciones soportadas gas flux and turbulence aplicaciones soportadas infrastructure aplicaciones soportadas soil aplicaciones soportadas


The A100LK is an anemometer for general meteorology and for 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 dataloggers. The sensor is constructed with anodized aluminum alloys, stainless steel, and weather-resistant plastics for long life. It is used as part of our WMS100 wind-monitoring system. Read More

Benefits and Features

  • IEC Class 1 performance
  • 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


A100LK mounted to a crossarm via the CM220 bracket (all items sold separately)

Detailed Description

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.


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


Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.


Product Compatible Note
21X (retired)
CR10 (retired)
CR1000 (retired)
CR10X (retired)
CR200X (retired)
CR206X (retired)
CR211X (retired)
CR216X (retired)
CR23X (retired)
CR295X (retired)
CR3000 (retired)
CR500 (retired)
CR5000 (retired)
CR510 (retired)
CR9000 (retired)
CR9000X (retired)

Additional Compatibility Information

Data Logger Considerations

The A100LK uses one pulse count channel on the data logger.


The A100LK is read by the PulseCount Instruction in CRBasic and by Instruction 3 (Pulse Count) in Edlog. Wind speed measurements can be taken and processed with any of the data loggers.


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