Bruel and Kjaer 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.

Bruel and Kjaer – Sound & Vibration Measurement

History –  In 1943 Bruel and Kjaer  launched Type 4301 – the world’s first charge accelerometer – and entered the world of vibration measurement.

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
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