Brüel & Kjær

Sound and vibration measurement

Brüel & Kjær Sound & Vibration Measurement A/S was founded in 1942 and specializes in measuring noise and vibration. It has more than 75 years of experience in the field and is part of the Hottinger Brüel & Kjær (HBK) group. Its catalog ranges from transducers and sound-level meters to complete test systems and analysis software.

Products and equipment

• Sound transducers: measurement microphones, microphone arrays, acoustic calibrators, sound-intensity probes, and sound sources.
• Vibration transducers: accelerometers, force transducers, impact hammers, tachometers, and portable vibration calibrators.
• Instruments: LAN-XI data-acquisition systems, Class 1 sound-level meters, and vibration analyzers.
• Vibration testing: LDS shakers, vibration controllers, amplifiers, and modal exciters.
• Head-and-torso, ear, and mouth simulators for electroacoustic testing.

Software

Software includes BK Connect®, Tescia®, DIRAC room-acoustics software, modal-analysis and shock-response tools, and vehicle NVH solutions such as the VSound and SimSound simulators.

Calibration and services

Services include calibration for sound-level meters, microphones, accelerometers, LAN-XI modules, dosimeters, and reference equipment. Calibration products include Calibration Cloud and Calibration Plus. Support options cover maintenance contracts, technical support, warranty extensions, equipment repair and installation, measurement-method development, and customized standardized tests.

Training and technical resources

Brüel & Kjær offers in-person and online courses, free webinars, and customized on-site training. It publishes application notes, case studies, conference papers, reference manuals, and the WAVES magazine.

International presence and contact

The company has offices in countries including Germany, France, Brazil, Italy, Spain, China, Japan, and South Korea. In Spain, its listed phone number is +34 91 659 08 20 and fax number is +34 91 659 08 24. It is also on LinkedIn, Facebook, and YouTube.