Svantek SVAN 979 - C.1.2 Effect of the SA 22 Windscreen

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SVAN 979 User Manual - Appendixes

C.1.2 Effect of the SA 22 windscreen

Note: When using windscreen SA22 the “Windscreen” compensation filter

must be “On” to ensure good tolerances margin of the SVAN 979 frequency

response.

SA22 free field compensation filter characteristic

Main Page

Table of Contents3
Index8
Introduction12
Svan 979 as Sound Level Meter & Analyser13
Svan 979 as Vibration Level Meter & Analyser13
General Features of Svan 97913
Accessories Included14
Accessories Available14
Firmware Options Available14
General Information15
Measurement Configurations as Slm15
Measurement Configurations as Vlm16
Input and Output Sockets of the Instrument16
Control Keys on the Front Panel18
Working with the Instrument20
Measurement Mode21
Configuration Mode22
Instrument Power24
Default Settings25
Description of Icons26
Saving Data27
Files Downloading and Uploading32
Activation of Optional Functions32
Functions of the Instrument - Function34
Selecting the Instrument Mode - Mode34
Measurement Functions of the Instrument - Measurement Function34
Instrument35
Nstruments Calibration Alibration35
System Check36
Calibration by Sensitivity (Acoustic Signal)36
Calibration by Sensitivity (Vibration Signal)37
Calibration by Measurement (Acoustic Signal)37
Calibration by Measurement (Vibration Signal)38
History of Performed Calibrations - Last Calibration39
Erasing Calibration Records - Clear Calibr. History40
Automatic Calibration - Auto Calibration40
Configuring Measurement Parameters - Measurement42
Setting up General Measurement Parameters - General Settings43
Setting Measurement Trigger - Measurement Trigger45
Setting Parameters for Profiles - Profiles47
Data Logging - Logging48
Setting Logger General Parameters - Logger Setup49
Selecting Results for Logging - Logger Results51
Selecting Additional Summary Results for Saving - Summary Results51
Configuring Logger Trigger - Logger Trigger51
Setting Markers - Marker Setup53
Configuring Signal Recording - Wave Recording54
Setting Spectra - Spectrum57
Selecting Microphone Compensation - Compensation Filter57
Selecting Measurement Range - Range58
Setting Workday Exposure Time - Exposure Time58
Setting Statistical Levels - Statistical Levels58
Setting Rpm Measurement - Rpm Measurement59
Programming the Instrument59
Rogramming the Instruments Internal Ttimer Timer59
Example of Timer Execution60
Advanced Alarm Function - Alarms61
Configuring Data Viewing - Display62
Activation of the Display Modes - Display Modes62
Running SPL View63
One Result View63
Combined Views64
Logger View66
Spectrum View67
Statistics View67
File Information View68
Meter Table View68
GPS View68
Meteo View68
Signal Generator View69
Adjusting Plot Views - Display Scale70
Adjusting Logger View - Logger View71
Configuring Display Brightness and Power Saver - Screen Setup71
Setting the Colour Theme of the Display - Themes72
Managing Files - File73
Managing Instrument73
Anaging Instruments Ffiles File Manager73
Assigning Directory for Data Files Saving - Set as Working dir74
Opening Files/Directories - Open74
Copying Files/Directories - Copy75
Moving Files/Directories - Move75
Renaming Files/Directories - Rename76
Viewing Information about Files/Directories - Info76
Deleting Files/Directories - Delete76
Erasing All Files in a Memory - Delete All77
Managing the Ssetup Files Setup Anager77
Setup Manager77
Configuring Instrument Parameters - Instrument78
Measurement Auto Start - Auto Start78
Checking Power - Battery79
Bluetooth ® Activation - Bluetooth79
Interface Parameters Settings - Communication Ports79
Setting External Power O N /Off Conditions - External Power80
Setting Gps Parameters - Gps80
Selecting Iepe Current Supply - Iepe Current81
Programming Keyboard - Keyboard Settings81
Checking the Modem Status - Modem Status82
Setting Parameters of I/Oport - Multifunction I/O82
Setting Microphone Polarisation Voltage - Polarisation Voltage84
Switching on / off the Remote Control Mode - Remote Control Mode84
Setting Parameters of the Serial Interface - Rs23285
Programming the Instruments Internal Real Time Clock - Rtc85
Checking the Instrument ' S Vibration - Self Vibration85
Selecting Network Type - Network86
Configuring Data Transfer - Data Transfer87
Configuring Modem Basic Settings - Modem87
Configuring Connections - Modem Connection88
Configuring SMS Service - SMS Options89
Configuring E-Mail Service - E-Mail Settings90
Data Transfer with Modbus Protocol - Modbus91
Introducing the Instrument Name - Unit Name91
Checking the Instrument Properties - Unit Label91
Auxiliary Settings - Auxiliary Setup92
Selecting the User Interface Language - Language92
Restoring the Factory Settings - Factory Settings92
Setting the Reference Levels - Reference Levels93
Unlocking Rpm Function - Rpm Measurement93
Setting Coefficients of the User Filters - User Filters93
Parameters of the Real Time Filters - Real Time Filters93
Selecting Units for Vibration Results - Vibration Units94
Warnings Setup - Warnings94
Reports Printing - Report97
Printing Measurement Results - Print Results98
Printing Statistics of Sound Measurement Results - Print Statistics98
Printing User Filters Coefficients - Print User Filters99
Selecting Print Options - Options99
10 1/1-Octave - 1/12-Octave Analyser100
Selecting the 1/1 Octave - 1/12 Octave Function100
Configuring 1/1- Octave - 1/12- Octave Analyser100
General Settings for 1/1-Octave - 1/12-Octave Analysis - General Settings101
Selecting the Measurement Range for 1/1-Octave - 1/12-Octave Analysis - Range101
Logging of 1/1-Octave - 1/12-Octave Spectra - Logging101
Setting Parameters of 1/1-Octave - 1/12-Octave Analysis - Spectrum101
Configuring 1/1 - 1/12 Octave Spectra Views104
Presentation of 1/1 - 1/12 Octave Spectra104
Adjusting Scales of the Spectrum Plot - Display Scale105
Selecting Spectra to be Viewed - Spectrum View106
Spectrum Statistics107
Changing Spectrum Type in Vibration Modes - Spectrum Type108
Setting Filter Coefficients for 1/1 Octave - 1/12 Octave Analysis - Spectrum Based Filter109
Fft Analyser111
Selecting Fft Function111
Configuring Fft Analyser111
General Measurement Settings of FFT Analysis - General Settings111
Selecting Measurement Range for FFT Analysis - Range111
Logging of FFT Spectra - Logging112
Setting Parameters of FFT Analysis - FFT112
Configuring Fft Spectra View113
Presentation of FFT Spectra113
Setting up the Scale of Spectrum Plot - Display Scale114
Selection of Spectra to be Viewed - Spectrum View115
Changing Spectrum Type in Vibration Modes - Spectrum Type116
Reverberation Time Measurements - Rt60117
Selecting the Rt 60 Function117
Settings of the Rt60 Analysis117
Configuring Rt60 Views119
Start Rt60 Measurements120
Viewing of Rt60 Results121
Vrt60121
Loudness Measurement - Loudness125
Selecting the Loudness Function125
Viewing Loudness Results125
Sti Calculations - Stipa127
Introduction127
Sti Method Background127
Selecting the Stipa Function127
Stipa Measurement and Calculation Process128
Measured Results128
Project Structure130
Averaging Results131
STIPA Settings131
Considering Ambient Noise Distortions133
STIPA Measurements134
Downloading Files and Processing Data136
Measurement with BA Assistant137
Direct Measurement with SVAN 977A (Without BA Assistant)137
Presentation of STIPA Results139
Changing Background Noise Values140
Generating Reports140
Remote Control and Data Processing Tools141
Maintenance142
Powering of the Instrument142
Memory Card Extraction and Insertion143
Transducers143
Resetting the Instrument144
Firmware Upgrade144
Preservation of Internal Batteries145
Transportation and Storage145
Cleaning145
Troubleshooting145
Glossary146
Modes and Measurement Functions146
Calibration148
Definitions of Measured Results149
Measurement Parameters151
Display Parameters166
Instrument Parameters170
Auxiliary Parameters179
Appendix A. Remote Control182
Function #1 - Input /Output of the Control Setting Codes182
Function #2 - Read out of the Main Measurement Results183
A.2.1. Read-Out the Profile Results183
A.2.2. Read-Out the RT60 Results185
A.2.3. Read-Out the RPM Results185
A.2.4. Examples186
Function #3 - Read out of the Measurement Results in 1/ Xoctave or Fft Mode186
Function #4 - Read - out of the Configuration Data Files into the External Memory (Sd Card / Usb Disk )187
Function #5 - Statistical Analysis Results Read - out188
Function #6 - Remote Setting of the User Filters189
Function #7 - Special Control Functions190
Function #9 - Write - in of the Configuration Data Files into the External Memory (Sd Card / Usb Disk )190
Function #D - Read / Write the Data Files from the External Memory (Sd Card / Usb Disk )191
Function #R - Automatic Results Transmission During the Measurement192
Control Setting Codes201
Appendix B. Data File Structures (Revision 3.21)229
Description of Blocks of Parameters229
Description of Logger ' S Data Blocks243
Description of Cyclical Results Blocks (Summary Results )248
Date and Time ( Example Decoding Procedure )257
Appendix C. Technical Specifications258
Specification of Svan 979 as a Sound Level Meter258
Specification of SVAN 979 as SLM in the Standard Configuration258
C.1.2 Effect of the SA 22 Windscreen282
Effect of the Extension Cable SC 93284
C.1.4 Effect of the SA 279 Outdoor Protection Unit291
Specification of Svan 979 as a Vibration Level Meter292
Specification of Svan298
Frequency Characteristics of the Implemented Broadband Digital Filters313
C.4.1 Digital Weighting Filters Implemented in Sound Modes313
C.4.2 Digital Weighting Filters Implemented in Vibration Modes315
Digital Real Time Filters Implemented in SVAN 979318
Miscellaneous Specification of Svan 979325
Specification of the Sv 80 Accelerometer332
Using the Sa 279 Outdoor Microphone Protection Unit333
Appendix D. Definitions and Formulae of Measured Values356
Sound Level Meter356
Basic Terms and Definitions (SLM Mode)356
D.1.2 Definitions and Formulas of SLM Results357
Vibration Level Meter360
Basic Terms and Definitions (VLM Mode)360
D.2.2 Definitions and Formulas of the VLM Result360
Statistical Levels - Lnn Definition361
Appendix E. Reverberation Time Calculations363
Introduction363
The Definition and the Calculation Process of the Rt 60 Reverberation Time364
Description of the Decay Curve Recording in Different Measurement Methods366
Appendix F. Sa 279 Outdoor Microphone Kit Assembly Guide369
Part Set369
Assembly of Sa 279371
Important Notes377

Svantek SVAN 979 - C.1.2 Effect of the SA 22 Windscreen

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