BRUEL & KJAER 2203 - Page 3

BRUEL & KJAER 2203

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PRECISION

SOUND

LEVEL

METER

TYPE

2203

Applicable

to

instruments

from

serial

no.

467152

December 1

973

Table of Contents

Table of Contents5
Battery Replacement5
General Considerations5
Or Piston Phone5
Introduction9
- Precision Sound Level Meter Type 22039
- Precision Sound Level Meter Standards9
Controls11
- Meter Scale12
- Meter Mechanical Zero Adjustment12
- Power on Flasher12
- Meter Light Switch12
- Meter Switch12
- Input Attenuator (Black)13
- Output Attenuator (Transparent)13
- Gain Adjustment13
- External Filter in13
- External Filter out14
- AC Output14
- Tripod Mounting Threads14
Operation15
- Calibration for Sound Measurements15
- Using the Sound Level Calibrator15
- Using the Built-In Reference Voltage17
  - Determination of K-Factor18
- Sound Measurements18
  - General Considerations18
  - Specific Sound Measurement Procedure19
- Calibration for Vibration Measurements20
  - Using Accelerometer Calibrator 429120
  - Using Built-In Reference Voltage21
- Vibration Measurements22
  - General Considerations22
  - Specific Vibration Measurement Procedure22
- Calculation of Vibration Amplitude23
Description27
- Condenser Microphone27
- Input Stage28
- Input Attenuator and Input Amplifier28
- Reference Oscillator29
- Weighting Networks30
- Output Attenuator and Output Amplifier30
- RMS Detector30
- Power Supply31
Operational Characteristics and Accuracy32
- Directional Characteristics32
- Reflection38
- Effect of Background Noise39
- Distortion39
- Effect of Temperature41
- Effect of Humidity41
- Inherent Noise Levels41
- Effect of Sound Field43
- Effect of Vibration43
- Effect of Atmospheric Pressure43
- Effect of Electrostatic and Electromagnetic Fields43
- Weighting Networks50
Accessories and Measurements52
Accessories Included with 220354
- Adaptor JJ 261454
- Half-Inch to One-Inch Adaptor DB 096254
- Flexible Extension Rod UA 019654
- Half-Inch to One-Inch Adaptor DB 037554
- Random Incidence Corrector UA 005555
- Windscreen UA 020755
- Plugs JP 000655
Optional Accessories55
- Octave Filter Set 1 61 355
- Third Octave Filter Set 161656
- Microphones56
- Microphone Adaptor UA 003058
- Nose Cones58
- Extension Cables AO 0033/5958
- Artificial Ears 4152/5359
- Artificial Mastoid 493059
- Accelerometers59
- Accelerometer Calibrator 429159
- Integrator ZR 002060
- Adaptor JJ 261561
- Connection Cable AO 000761
- Carrying Case KE 005561
Complete Measuring Sets62
- Sound and Vibration Sets Type 3501 and 350962
- Audiometer Calibration Set Types 3502 and 351062
Level Recorders63
Systems Considerations63
Use with Other Instruments63
Noise Dose Meter64
- Tape and Digital Recording64
- Analysis65
- Loudness Evaluation65
Frequency Response66
- One-Inch Microphone Type 414566
- Half-Inch Microphone Type 413366
- Amplifiers67
Specifications66
Dynamic Range67
- One-Inch Microphone67
- Half-Inch Microphone67
External Filters68
Input68
Meter Indication68
Output68
Calibration69
- Sound Measurements69
- Vibration Measurements69
- Internal69
Directional Characteristics69
Inherent Noise69
Polarization Voltage69
Batteries70
Effect of Electrostatic Field70
Effect of Humidity70
Effect of Sound Field70
Effect of Static Pressure70
Effect of Vibration70
Operating Temperature70
Accessories Supplied71
Dimensions71
Weight71

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