HBK 4231 - Operation; Calibration Procedure

7Sound Calibrator Type 4231
User Manual
Chapter 2
Operation
2.1 Calibration Procedure
Fig.2.1 Positioning the calibrator on B&K 2245 Sound Level Meter
1) Select the correct adapter for the microphone you want to calibrate
and fit it to the calibrator (see Table 1.1).