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RainWise WindLog Wind Data Logger

High Capacity, Low Cost Wind Data Logger

The WindLog is a compact, inexpensive wind data logger, designed to meet the needs
of people considering the purchase of a wind turbine. While many people rely on wind
maps to assist them with this purchase decision, these maps don’ t provide the detailed
information for a specific area. The WindLog allows you to do your own accurate wind
study to optimize your turbine placement and its performance, once installed

Features
• 2 MB of flash memory stores over a years worth of wind data at a 10 min logging interval.
• Operates on 3 AA Alkaline or Lithium batteries.
• Uses USB power when connected to a computer.
• USB port provides fast downloads.
• Free Windows software.
• Logs average speed, wind gust and average direction.
• User selectable logging intervals from 1 minute to 1 hour.

Specifications
• Wind Speed: Range, 0 to 67 meters per second ( 150 mph) , Accuracy: ± 2% .
• Wind Direction: Range, 360° no deadband; Resolution, 22.5° , averaged, Accuracy, ± 22.5° .
• Power: 3 AA alkaline or Lithium batteries.
• Typical Battery Life: 6 to 9 months.

The wind logger operates on three AA batteries. Battery life will depend on the environment
and logging rates. Typical life should be around 6 months. Lithium batteries are recommended
for cold environments. When connected to a computer the WindLog will use the USB ports
power to run. This further extends the life of the batteries.

• The Mini Aervane wind sensor is equipped with low friction race bearings. This reduces the
threshold to approximately 1 mile per hour. The wind direction sensor has a 16 point resolution.
Logged direction readings are averaged readings.
• The WindLog samples every second. Both average and gust readings are stored at the the
selected interval. With the new 2 MB memory the logger can record for over 3 months a 1 minute
rate.