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Herausgeber: Deutsche WindGuard Wind Tunnel Services GmbH

Correction notification: Deutsche WindGuard Wind Tunnel Services increases service scope, reduces measurement uncertainty

- Quality improvements and new certifications in all four calibration wind tunnels

The correct value for the lower limit of the measurement uncertainty is 0.025 m/s and is therefore substantially lower than initially published.

Varel (renewablepress) - Leading wind tunnel specialist Deutsche WindGuard has extended the DAkkS-accredited measurement range. Accredited anemometer calibrations can now be conducted with flow speeds from 0.5 m/s up to 38 m/s. In the same course, the overall measurement uncertainty was reduced to 0.25 % (however not less than 0.025 m/s). This is the result of a long-term internal quality initiative. During said initiative, the fourth calibration wind tunnel with a test section area of 1.2 m by 1.2 m received MEASNET approval.

"As part of our commitment to the highest quality, we have succeeded in reducing the measurement uncertainty by up to 60 % in a sustainable manner," says Nicholas Balaresque, Managing Director of Deutsche WindGuard Wind Tunnel Services GmbH. "These extremely precise measurements were made possible by a comprehensive improvement process and state-of-the-art measurement technology. Among other things, we use the Laser Doppler-Anemometer (LDA) in one of our four wind tunnels, which Germany’s National Metrology Institute, the PTB, uses as the primary standard for wind velocity."

Deutsche WindGuard – The Wind Professionals

Deutsche WindGuard Wind Tunnel Services offers highest precision for wind sensor calibration and development. As an accredited calibration laboratory, Deutsche WindGuard Wind Tunnel Services GmbH is accepted by MEASNET and IECRE. Deutsche WindGuard Wind Tunnel Services GmbH is a part of the Deutsche WindGuard Company Group. With five calibration wind tunnels, a variable density wind tunnel, a climatic wind tunnel, and the acoustically optimized large wind tunnel, Deutsche WindGuard Wind Tunnel Centre offers ideal conditions for measuring, testing and R&D. In a complex energy market, Deutsche WindGuard is committed to providing extensive scientific, technical, and operational services, which are unbiased and manufacturer-independent. Deutsche WindGuard was founded in 2000. With the headquarters in Varel and subsidies in Germany, the United States, China and India, it employs more than 170 experienced experts.

Download press photo:
Caption: Investigation of a Prandtl tube (Pitot Tube) in the wind tunnel,
using PTB's Laser Doppler Anemometer (LDA).
© Deutsche WindGuard Wind Tunnel Services GmbH

Varel, 28 April 2020

Publication and Reprint free of charge; please send a voucher copy to Deutsche WindGuard Wind Tunnel Services GmbH.

Attention editorial offices - For further questions please contact:

Contact (PR):

Leif Rehfeldt
Tel: +49 (0)4451/95 15-225
E-Mail: l.rehfeldt@windguard.de

Contact (Anemometer calibrations):

Catharina Herold
Tel: +49 (0)4451/95 15-222
E-Mail: c.herold@windguard.de

Deutsche WindGuard Wind Tunnel Services GmbH
Oldenburger Straße 65
26316 Varel

Internet: https://www.windguard.de


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