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| Both the sensor and the indicator for the
KWS-21 are lightweight and compact,
allowing
for easy, accurate wind speed measurement
anywhere. |
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| Sensor | |
| Sensor component | 4-pole coreless cup-type AC generator |
| Startup threshold | Less than 1.5 m/s |
| Weatherability | Winds of 90 m/s or greater |
| Wind speed output | 16 V AC ±5 V at winds of 40 m/s |
| Size/weight | Approx. 174 mm diam. × 200 mm, 0.4 kg |
| Indicator | |
| Model | Rectifying voltmeter in tabletop case |
| Scale | 30 m/s in 1 m/s increments |
| Accuracy | ±0.5 m/s at winds of 10 m/s or less |
| ±5% at winds greater than 10 m/s | |
| Size/weight | Approx. 92 × 66 × 75 mm, 0.4 kg |
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