This video will show you how to perform a calibration check with B&K 2245 sound level meter.
If you want to see how to perform a calibration check on microphone Type 4966, please see this video: [ Ссылка ]
For more information see: [ Ссылка ]
![](https://i.ytimg.com/vi/fz8BJit_GuY/maxresdefault.jpg)
This video will show you how to perform a calibration check with B&K 2245 sound level meter.
If you want to see how to perform a calibration check on microphone Type 4966, please see this video: [ Ссылка ]
For more information see: [ Ссылка ]