In Gear for a Sustainable Future


For more than 20 years Hansen Transmissions has worked with Brüel & Kjær - and since 2002 Hansen has used Brüel & Kjær’s PULSE Data Acquisition and Analysis System platform for a range of applications from field measurements to R&D, Quality Control, Production Testing and Validation.

Wind energy is one of the fastest growing power generation technologies. The level of annual installed capacity has grown at an average rate of 27.6% p.a. for the past five years. High fuel prices and increased focus on global warming and renewable energy resources have contributed to an increased investment in the development of wind technology over the last three decades.

The predicted outlook for wind energy is that it will, eventually, produce 98% of the world’s energy. So wind turbine reliability is key. And it can be argued that the wind turbine’s most critical and vital component is the gearbox. Quite simply, if the gearbox doesn’t work the wind turbine doesn’t turn and no energy is produced. Hansen Transmissions has always recognised the importance of high quality.

To ensure the highest quality possible, Hansen Transmissions produce everything themselves. The design of Hansen gears are unique and well-known and the in-house heat treatment, gear cutting and grinding and housing machining distinguish Hansen from its competitors.

Brüel & Kjær has supplied Hansen with some 30 PULSE Data Acquisition and Analysis Systems. PULSE is used at all facilities worldwide for core R&D development, production testing and visiting installations for on-site diagnostics and troubleshooting.

With 30 years of experience in the production of gearboxes for wind turbines and over 85 years experience in the production of industrial gearboxes, Hansen Transmissions International is synonymous with quality, reliability, leading gear technology and innovation for numerous applications.

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About Brüel & Kjær
Brüel & Kjær is a world-leading manufacturer and supplier of sound and vibration measurement systems. Brüel & Kjær helps its customers measure and manage the quality of sound and vibration in their products and in the environment. Focus areas are aerospace, space, defence, automotive, ground transportation, airport environment, urban environment, telecom, and audio.

Brüel & Kjær has an unparalleled portfolio of sound and vibration equipment, and is a reknowned deliverer of innovative instrumentation, including sound level meters, microphones, accelerometers, conditioning amplifiers, calibrators, noise and vibration analysers and software. To see the full range of products and systems, please visit

Brüel & Kjær also runs a variety of training courses, from basic introductions to noise and it’s effects to more specialised classes teaching customers how to get the most out of their equipment. Free, online training courses - conducted by our expert engineers - run throughout the year too. For all course registration details visit

Brüel & Kjær is a subsidiary of UK-based Spectris plc ( that has annual sales of £787m and employs around 6,000 people worldwide in its 13 business units. Brüel & Kjær has 1150 employees worldwide, and is represented by sales offices in 55 countries. 
For additional information please contact:
Heather Wilkins
Marketing Coordinator
Bruel & Kjaer
Telephone: 01763 255 780

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