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Norsonic Nor1504A Calibration System



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Did you know that all the equipment needed to build up your own Calibration Laboratory is available as off-the-shelf products from Norsonic AS?

Calibration System Nor1504A 


  • Acoustical and electrical calibration of sound measuring instruments, measuring microphones, and sound calibrators in accordance with the applicable national and international standards.


  • Test signals comply with IEC60651, 60804, DIN45657, and IEC61672 as well as several other standards.
  • Fast and accurate calibration of sound measuring instruments using three different interface modes: manual, semi-automated, and fully automated.
  • Frequency response calibration of microphones using electrostatic or acoustical method.
  • Sensitivity calibration of microphones using the insert voltage method ensures a high degree of accuracy.
  • Fast and accurate calibration of sound calibrators, pistonphones, and associated barometers in accordance with IEC60942.
  • Sound level meter calibration in accordance with IEC61672, IEC60651, IEC60804, DIN45657, ANSIS1.4, ANSIS1.43, and BS7580.
  • Test of fractional octave filters in accordance with IEC 225 and 61260.
  • Full test report generated.
  • Built-in self test features.


The calibration system Nor1504A is capable of calibrating virtually any type of sound measuring instruments, sound calibrators, and microphones commercially available, provided that they have been designed in accordance with applicable international standards. Hence, the system is by no means limited to Norsonic products alone.

The process of verification and calibration of sound level meters in accordance with international standards is in general divided into an electrical and an acoustical part (IEC60651, IEC 60804 and IEC61672).

Special national standards have been designed to cover special needs. A typical example of this could be the BS7580 or the German DIN45657 which describes the testing of time constant F down to 0.25ms, testing of statistical calculations, and the Taktmaximal 3 and 5.

The international standards describe tests that have been designed for type approval of an instrument design (e.g. IEC61672 part 2), but they do also include tests meant to be performed for verification purposes on a regular basis (e.g. IEC61672 part 3).

Contact us for more information or visit the Nor1504A Calibration system Webpage





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