Unfortunately, the WL-11 has been discontinued and has been replaced by the WL-21.
The Scarlet WL-11 Wind Speed Data Logger is designed to provide an affordable and easy-to-use solution to wind site evaluation and monitoring wind generator performance in real time.


Unfortunately, the WL-11 has been discontinued and has been replaced by the
WL-21.
Features:
- Easy-to-use solution for wind site evaluation
- Shows and store all vital wind data
- Range up to 250m
- Easy installation without running cables
- Replaceable anemometer cups
- 24h wind speed and temperature history graphs
- 7 days history of instant and average wind speed
Displayed on the LCD screen:
- Current wind speed
- Temperature
- 24h wind speed and temperature history graphs
- 7 days history of instant and average wind speed
- Date and Time
Stored data to SD card:
- Average and maximum wind speed in selected interval
- Temperature
- All stored data are date and time stampped
Specifications
- Wind Speed Measurement Range: 0.1 to 50 m/s
- Wind Speed Accuracy: +/- 3 %
- Wind Speed Resolution: 0.1 m/s (under 9.9 m/s); 1 m/s (Above 10 m/s)
- Units of Measurement: m/s, km/h, knots, mph, Bf
- Temperature Measurement Range: -30 to +60 C, +/- 1 C
- Dimensions (Sensor): height 210 mm; diameter cup to cup 120 mm
- Dimensions (Display unit): 94 x 63 x 28 mm
- Data recording: Up to 12 months, .txt and ASCII data format
- Display updating: Every 2 seconds
- Logging interval: 10 s, 1 min, 10 min, 60 min
- Data Logging: Average and maximum wind speed, wind direction, temperature
- Transmission frequency: 868 MHz / +10dB; 908 MHz, 922 MHz (requested by clients)
- Battery (sensor): 1 x 3.6 V AA Lithium battery
- Battery (display unit): 2 x 1.5 V AA
- Mounting: The sensor mounts on a pipe with 20 mm diameter
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