Primary Calibration Systems

These systems are used to perform absolute calibration e.g. calibration as close as possible to the basic SI units.
Absolute calibration systems are used by national primary or reference laboratories and by advanced high-tech customers.
Primary Calibration systems from Brüel & Kjær are used by many such laboratories around the world

Microphone Reciprocity Calibration System
Brüel & Kjær Reciprocity Calibration System Type 9699 is suited for calibration of laboratory standard microphones in accordance with IEC 1094 - 2. The system is based on Brüel & Kjær's superior experience in high-end calibration of microphones combined with scientific skills of the Technical University of Denmark.
As a special option we offer system installation and training sessions on customer site.

Measurement range: 20 Hz to 25 kHz
Uncertainty down to 0.03 dB