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Dyacon Wind Sensor: Now Detecting Wind GUST!

By August 1, 2014Blog
Wind sensor modbus

While sustained winds are of interest, it is the wind gusts that generally cause damage . . . at least for those outside of tornado alley or on hurricane coast.

How do you measure a gust? With a Dyacon wind sensor, of course.

The latest firmware for Dyacon WSD‑1 now gives users more measurement parameters than other wind sensors on the market.

  • Current wind speed
  • Current wind direction
  • 2 minute average wind speed
  • 2 minute average wind direction
  • 10 minute average wind speed
  • 10 minute average wind direction
  • and . . . gust

You get it all for the same price and the same operating current, <2 mA at 12 VDC. Now that’s a bargain! (Sorry, no free knife sets.)

Keep in mind that not all increases in wind speed represent a gust. Where other stations simply look for the maximum wind speed over a period of time, we implement a more technical definition. To meet the definition of a gust, we look for increases in wind speed of at least 10 knots (11.5 mph, or 5.1 m/s) above the 2 minute average. The gust value is retained for 10 minutes and replaced if a higher value occurs.
The sudden impact of a rapid change in wind is what often causes damage. After about 3 seconds, the structures are engulfed, and the pressure differential is reduced.

When it occurs, you’ll see this new value populated on my weather station at weatherunderground.com.

Eugene

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