Tuesday, May 13, 2014

Brüel & Kjær - Sound & Vibration Measurement

They design and manufacture equipment and instruments applied in the measurement-analysis of sound and vibration. These include Software and Systems used to study vibration.

Brüel & Kjær - Sound & Vibration Measurement

History -  In 1943 Brüel & Kjær launched Type 4301 - the world's first charge accelerometer - and entered the world of vibration measurement.

Sound Level Meter - Type 2240

Sound Level Meter - Type 2240

In just two seconds, the sound level meter is powered-up and ready to measure.

A low-cost, Class 1 sound level meter conforming to international standards. The three-button user-interface and large digital display make it easy to use for on-the-spot measurements.

Features Include

Class 1 measurement precision conforming to the latest standards.  Dynamic range: 30 - 140 dB in two 80 dB ranges.
  • LAeq, LAFmax, LCpeak, LAF
  • Handy and lightweight 
  • Large and clear display
  • 6 hour battery life from two AA cells
Older post in delabs

For over fifty years, LDS has specialized in high quality vibration test systems and has become a worldwide leading supplier. Test and Measurement. Dactron, Nicolet Technologies and Gould Instruments acquired by LDS.

LDS Test and Measurement 
  • 1958 - Patent for Electromagnetic Shaker
  • 1971 - Digital Transient Recorder
  • 1978 - Digital FFT Analyser