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4217
BRUEL & KJAER 4217 Manuals
Manuals and User Guides for BRUEL & KJAER 4217. We have
1
BRUEL & KJAER 4217 manual available for free PDF download: Instructions And Applications
BRUEL & KJAER 4217 Instructions And Applications (44 pages)
Hearing Aid Test Box
Brand:
BRUEL & KJAER
| Category:
Test Equipment
| Size: 13.05 MB
Table of Contents
Table of Contents
4
0. Introduction
5
Introduction
5
Sound
5
The Decibel Scale
5
The Detection of Sound
6
Hearing Loss
7
Hearing Aid Measurements
8
1 Description
11
The Anechoic Enclosure
12
The Electronic Circuits
12
The Sound Level Meter
14
Acoustic Coupler
16
2 Control Knobs, Terminals Etc
20
3 Operation
23
Setting up
23
Calibration
24
Ambient Noise
29
4 Accessories
32
Octave Filter Set Type 1613
32
Pistonphone Type 4220
34
5 Applications
35
Comparative Measurements on Hearing Aids
35
Measurement of Harmonics Generated by a Hearing Aid
36
Audiometric Measurements
37
Appendix
40
Use of Weighting Networks
40
Airborne Sound Insulation of the Test Box
41
Specifications
42
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