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| The KWS-11 has long been the most widely used type of indicating anemometer. In particular, the cup-type sensor provides great reliability and stable performance in measuring winds of all speeds. |
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| Components | Sensor: 4-pole coreless cup-type AC generator |
| Indicator: rectifying voltmeter | |
| Measurement range | Instantaneous speed 2-60 m/s |
| Accuracy | ±0.5 m/s at winds of 10 m/s or less |
| ±5% at winds greater than 10 m/s | |
| Weatherability | Winds of 90 m/s or greater |
| Power | Not required |
| Standard components | Sensor, indicator |
| Size/weight | Sensor: approx. 340 mm diam. × 353 mm, 1.0 kg |
| Indicator: approx. 180 × 131 × 180 mm, 1.7 kg |
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