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| W-21 Compact Wind Speed Sensor | |
| Wind causes the W-21 cup assembly to rotate, driving an internal generator that outputs an electronic signal proportional to the wind speed. The W-21 is more compact and lighter than a conventional wind speed sensor. | |
| SPECIFICATIONS | |
| Model | Cup-type generator |
| Startup threshold | Less than 1.5 m/s |
| Weatherability | Winds of 90 m/s or greater |
| Accuracy | ±5% |
| Size/weight | Approx. 174 mm diam. × 200 mm, 0.4 kg |
| D24-1 Compact Wind Direction Sensor | |
| Wind causes the vane of the D24-1 to change direction, activating a potentiometer linked to the vane axis and outputting an electronic signal to indicate the wind direction. The D24-1 is more compact and lighter than a conventional wind direction sensor. | |
| SPECIFICATIONS | |
| Model | Wind vane potentiometer |
| Measurement range | 0 to 350° |
| Startup threshold | Less than 1.5 m/s |
| Weatherability | Winds of 90 m/s or greater |
| Accuracy | ±5% |
| Size/weight | Approx. 310 mm L × 290 mm H, 0.44 kg |
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