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Explained: Sound Level Meter Calibration

Calibrating sound level meters is no simple task and one that requires strict control of the environment. In this video, Jesper Bo Vedel, Global Calibration Manager at Hottinger Brüel & Kjær takes us through the calibration process and explains its ins and outs. 

At HBK a sound level meter calibration is not just a calibration

Sound level meters are calibrated according to relevant standards: IEC 61672 for sound level meters in general and IEC 61260 for octave-band filter measurements (or previous versions for older instruments).

However, as the manufacturer, HBK also performs additional checks of its instruments. The capacity of internal batteries is checked, and the batteries replaced if needed. The same goes for windscreens. Interfaces that aren’t covered by the above standards – such as GPS, USB, Wi-Fi – are furthermore tested and verified as part of the calibration at HBK.

In addition, HBK offers free firmware upgrades to the latest version as part of the calibration. This has to be requested as we know that many customers prefer to stay on known firmware.

Modern Electronics Research and Development Facility: Beautiful Caucasian Female Engineer Does Computer Motherboard Soldering. Scientists Design Industrial PCB, Silicon Microchips, Semiconductors

HBK Assured Hardware and Calibration Contracts

It is always good to know the operational costs when you buy a sound level meter. This is fulfilled by signing an HBK Assured contract. Such a contract combines regular calibration with an extended warranty.

If an instrument fails during the contract period, it is repaired for free. It also gives you discounted prices on accessories and other services.

Worldwide Presence of HBK Calibration Laboratories

HBK has calibration laboratories all over the world to ensure customers the shortest turnaround times when equipment is in for regular calibration.

 

HBK World map

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