75 Years of Progress

For the past 75 years, visionary engineers and inventors at Brüel & Kjær have been responsible for innovative breakthroughs and many world-firsts. We have a long and impressive track record and, as we look back, we wanted to share with you some of the highlights.

“Running a business is about having fun. Having fun is the best way to use your skills. We wanted talented people who could think for themselves, were creative and also a bit lucky.”
Per V. Brüel and Viggo Kjær’s Unofficial Rule of Conduct

Founders Per V. Brüel (middle) and Viggo Kjær (right) with Production Manager Holger NielsenFounders Per V. Brüel (middle) and Viggo Kjær (right) with Production Manager Holger Nielsen (left), Final Test Manager Svend Jensen (front) and Engineer John Oberg (back). The product being tested is a Type 2107 analyzer

Celebrating Christmas in 2008, LAN-XI styleCelebrating Christmas in 2008, LAN-XI style

Type 2033 presented in Wuhan, China, around 1980

Type 2033 presented in Wuhan, China, around 1980

A 1985 print from Type 2032 to graphical writer Type 2313

A 1985 print from Type 2032 to graphical writer Type 2313. The print lasted for ever on the special paper that came in rolls and was referred to as “galvanized toilet paper”

1975 airport environmental noise management

1975 airport environmental noise management. The results on the back wall are covering the original airport decoration: posters with pin-up girls. And yes, we have photos of that, too

Engineers in the old workshop working, testing – and sweeping!

Engineers in the old workshop working, testing – and sweeping!

Exterior and interior view of the Brüel & Kjær demo-bus on tour

Exterior and interior view of the Brüel & Kjær demo-bus on tour in Poland in 1972Exterior and interior view of the Brüel & Kjær demo-bus on tour in Poland in 1972

Measurement with Sound Level Meter Type 2203, ca. 1970

Measurement with Sound Level Meter Type 2203, ca. 1970

In the 1970s, practically everyone in DenmarkIn the 1970s, practically everyone in Denmark owned and happily wore an Icelandic sweater, including R&D employees at Brüel & Kjær


Highlights of innovation

Here are some of the past highlights that have laid the solid foundation we stand on and which makes it possible for us at Brüel & Kjær to look beyond tomorrow, towards future innovations - Our history