Cup anemometers can generate inaccurate wind-speed values in gusty periods, and should one freeze, its turbine may have to shut down. One solution is an ultrasonic anemometer, like the Ventus UMB 8371 with a 240W heater. This unit provides precise and maintenance-free measurements of wind velocity and direction.
Ventus belongs to Lufft’s WS family of professional intelligent sensors (in Booth 106) with digital and analog interfaces. This wind sensor has no mechanical parts as are used with traditional “cups and vanes”. The digital or analog output delivers instantaneous, average, min or max value with flexible measuring rate. The heated Ventus makes it well suited for cold climates. Outputs are available for the NMEA data, ASCII UMB, and binary UMB protocols, along with 4 to 20 mA analog, and soon, SDI12 protocol.
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