Concept
Aanderaa 2740 wind speed sensor
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1777/1/ | ||
|---|---|---|---|
| Within Vocab | SeaVoX Device Catalogue | ||
| Alternative Labels | Aanderaa 2740 | ||
| Definition | A wind speed sensor measuring average and maximum wind speed (gust), designed for use with the Aanderaa SmartGuard and the Aanderaa Automatic Weather Station 2700. Consisting of a three-cup rotor on top of an aluminium housing, it can be fitted onto the Sensor Cross Arms of an Aanderaa Automatic Weather Station or used separately via connecting cable. A micro controller reads the pulses from the magneto inductive switch sensing the rotor's rotation and uses the pulse count to calculate the wind speed. Average wind speed is obtained as the arithmetic mean of the wind regardless of the sampling interval, provided that the sampling interval is between four seconds and three hours. Maximum wind speed is the highest speed occurring over a two-second period at any time during the sampling interval. The micro controller also provides the Aanderaa SR10 output signals for wind speed and gust. Both output signals have the same conversion factor for calculation of wind speed in engineering units from the ten-bit output data. The 2740 has a range up to 79 m/s, accuracy +/-2 percent or +/- 0.2 m/s, whichever is greater. It requires a threshold wind speed 0.3 m/s and has an operating temperature of -40 to +65 degC. | ||
| Date | 2022-02-22T17:09:18 | ||
| Identifier | SDN:L22::TOOL1777 | ||
| Note | accepted | ||
| Is Version Of | TOOL1777 | ||
| version | 1 | ||
| Broader | L05:101 |
anemometers | |
| Related | L35:MAN0007 |
Aanderaa | |
B75:ORG00228 |
Aanderaa Data Instruments AS | ||
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