BRUEL & KJAER 2209 - Audiometer Calibration

7.6. AUDIOMETER CALIBRATION
The 2209 together with the Artificial Ear Type 4152/3 or Artificial
Mastoid Type 4930 forms a complete system for field calibration of
audiometers. The arrangements are shown in Figs.7.19 and 7.20.
Further information may be obtained from the instruction manuals for
Types 4152,
41 53 and 4930.
0 0 0 0
•••••
Audiometer
Artificial Ear
earphone under test 4152
Octave
Filter
Set 1613
Impulse Precision
Sound
Level
Meter 2209
172003
Fig.l. 19. Audiometer calibration using an air conducting earphone
Cl
0 0 0 0
•••••
Audiometer
bone vibrator under test
Artificial Mastoid
-4930
Fig.7.20. Audiometer calibration using bone conductiofJ
105