SIGN,OFFICE 3X9,BKSV

[Music] we are in the calibration laboratory at the Berlin cares headquarters it's important to calibrate the sound of the meter and that could be twofold for the customer it could be a certification that it's actually still performing the way it did when it was sold or in case of legal metrology that could be that you're measuring at a building site or at a roadway that this is the stamp of approval that you can take these measurements into court and to convince the courts that the measurements are correct and the instrument was operating correctly the difference between a field calibration and a calibration in this laboratory is that the field calibration is just a certainty that the instrument is still working properly when we do a calibration here in this lab we actually test a multitude of parameters for that particular instrument and when you do a field calibration it's normally j