Measuring principle
Whether on wind turbines, in environmental monitoring or building automation: the precise detection of air movements using anemometry is a decisive factor for safety and efficiency.
SECO Sensor has been developing and producing proven ultrasonic transducers for decades, which act as the heart of modern anemometers.
Our transducers are perfect for wind measurement:
A typical anemometer uses two opposing pairs of ultrasonic transducers that are offset by 90°. Precise differential measurement of the sound propagation times according to the transmitter-receiver principle allows wind speed and wind direction to be recorded accurately and reliably. For use in cold environments, the transducers can be optionally equipped with an integrated heater.
Our models SC029, SC031 and SC042 offer:
Ultrasonic transducer perfect for anemometry – Perfect for wind measurement even in strong gusts of wind up to 324 km/h thanks to the large beam width.
Multi-use transducer with high signal strength – 3 times the echo voltage with the same design as SC029. With a wide beam angle or as a focused variant.
400 kHz all-rounder for anemometry – compact and cost-effective, large beam width for accurate measurements even in heavy drifts
Our SC029, SC031 and SC042 anemometric transducers stand for reliable wind measurement – even under the most adverse environmental conditions. SECO develops ultrasonic transducers specifically for industrial applications where maximum precision, robustness and reliability are required. The non-contact and maintenance-free systems function reliably even under difficult conditions such as dust, rain, darkness or strongly fluctuating temperatures – and offer clear advantages over conventional measurement technology.
Reliable, fast and accurate detection of wind speed and wind direction
Precise results even under challenging conditions such as fog, gusts, salt, dust or splash water
Large beam width ensures good signal quality – even in extreme wind gusts of up to 324 km/h
A special lacquer protects the front surface from dirt, water and weather – ideal for harsh outdoor locations
For use in sub-zero temperatures, a heater can be integrated to prevent icing and snow build-up
In modern anemometers, two pairs of ultrasonic transducers work opposite and offset to each other in transmitter-receiver mode. Thanks to the large beam width, reliable measurements up to 324 km/h are possible – with heating and front surface coating on request.
We offer customizable transducer solutions that are specifically tailored to your requirements. SECO Sensor develops, produces and supplies ultrasonic transducers especially where robust, maintenance-free and high-quality components are required:
Product manager
Request our samples now free of charge and experience quality that convinces. Tell us who you are and for which application you need our transducers and you will receive your samples within a few days.
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Discover the versatile application possibilities of ultrasonic sensors in various industries – from automation to medical technology. Find out how our sensors can optimize your processes!
Wind measurement using ultrasonic anemometers on wind turbines offers numerous advantages. They are durable and maintenance-free. They provide reliable data even in storms, rain, darkness or cold. The wind speed is calculated quickly and precisely from the transit time difference between the transmitter-receiver pairs.
Ultrasonic wind measurement has also been used in meteorology for many years. Our customers use SECO transducers in weather stations, environmental monitoring and climate research. Ultrasonic transducers enable reliable results even at measuring locations with extreme weather conditions such as ice, snow, cold, heat or darkness.
Wind measurement for aircraft navigation, for example at airports, requires maximum reliability. With our ultrasonic transducers, even the smallest changes in wind speed and wind direction can be recorded practically in real time. Thanks to precise time-of-flight measurement, they provide exact data for safe take-offs and landings in all weather conditions.
The accurate measurement of wind speed and direction is essential in numerous applications—from meteorology and aviation to the energy sector. Modern anemometers increasingly rely on ultrasonic technology to ensure reliable and contactless measurements. Ultrasonic transducers play a central role in this: they enable the precise determination of air flows without mechanical components, which makes the measurement particularly robust and low-maintenance.
The measuring principle is based on the time difference between ultrasonic pulses transmitted between several sensors. Depending on the wind speed, the time it takes for the signal to travel from one transducer to another changes. These differences can be used to calculate both the speed and direction of the air flow with great accuracy. This method is insensitive to temperature and pressure fluctuations and delivers reliable results even under extreme weather conditions.
In practice, ultrasonic anemometry offers decisive advantages: it operates wear-free, as there are no moving parts, and enables continuous measurement in real time. This is particularly important for applications such as wind turbine control, airport monitoring, or accurate weather forecasting. In addition, ultrasonic anemometers are compact, energy-efficient, and can be easily integrated into digital systems, enabling simple data transfer and analysis.
Companies that rely on ultrasonic technology in anemometry benefit from maximum accuracy, long service life, and a future-proof solution for wind measurement. With its combination of precision, robustness, and digital connectivity, this technology meets the increasing demands placed on modern measurement systems in industry and research.
SECO Sensor Consult GmbH
Am Bleichanger 1
96450 Coburg
Phone: +49 (0)9561 869141
Fax: +49 (0)9561 869149
info@seco-sensor.de
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