Svantek SV 971A - Page 252

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SV 971A User Manual – Appendixes

252

1/3 octave filters for 8.00 Hz 1/1 octave filter

Typical electrical noise floor for the 1/1 and 1/3 octave filters in the SV 971A instrument

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Table of Contents3
Index9
Introduction12
971A as Sound Level Meter & Analyser12
General Features of Sv 971A13
Accessories Included13
Accessories Available14
Firmware Options Available14
General Information15
Measurement Configurations15
Input and Output Sockets of the Instrument16
Instrument Power17
Control Keys on the Front Panel18
Working with the Instrument19
Measurement Mode19
Configuration Mode20
Default Settings23
Description of Icons24
Overload and Underrange Detection25
Saving Data25
Downloading and Uploading Files27
Activating Optional Functions27
Measurement Functions and Calibration - Function28
Activating Measurement Functions - Measurement Function28
Calibration of the Instrument - Calibration28
Calibration - by Measurement29
Last Calibration Record - Last Calibration30
History of Calibrations - Calibration History30
Erasing Calibration Records - Clear History31
Post Measurement Calibration - Post Calibration31
Automatic Calibration - Auto Calibration31
Configuring Measurement Parameters - Measurement33
Setting General Measurement Parameters - General Settings33
Setting Measurement Trigger - Measurement Trigger35
Setting Parameters for Profiles - Profiles37
Setting Alarm Thresholds for Dose Meter - Alarm38
Configuring Data Logging - Logging38
Setting General Logging Parameters - Logger Setup39
Selecting Results for Logging - Logger Results40
Configuring Logger Trigger - Logger Trigger41
Configuring Signal Recording - Wave Recording42
Selecting Measurement Range - Range45
Selecting Microphone Compensation - Compensation Filter45
Setting Statistical Levels - Statistical Levels46
Programming Instrument46
Rogramming Instruments Internal Ttimer Timer46
Example of Timer Execution47
Configuring Data Viewing - Display48
Enabling Views - Display Modes48
One Result View48
Three Profiles View50
Logger View50
Statistics View51
Running SPL View51
File Information View51
Adjusting Plot Scale - Display Scale51
Selecting Measurement Results for Presentation - Measurement Results52
Choosing Logger Results for Presentation - Logger Results52
Configuring Power Saver - Screen Setup53
Managing Files - File54
Anaging Ffiles File Manager55
Assigning the Directory for Saving Data Files - Working Directory55
Renaming Files/Directories - Rename56
Viewing Information about Files/Directories - Info56
Deleting Files/Directories - Delete56
Erasing Memory - Erase Disk56
Anaging Ssetup Files Setup Manager56
Configuring Instrument - Instrument58
Choosing User Interface Mode - User Interface58
Checking Power - Battery59
Programming Keyboard Functions - Keyboard59
Automatic Power off - Power off60
Configuring Usb Interface - Usb60
Setting Interface Parameters - Communication Ports60
Self - Vibration Marker - Self Vibration61
Programming Internal Real Time Clock - Rtc61
Checking Instrument Properties - Unit Label61
Auxiliary Settings - Auxiliary Setup62
Selecting User Interface Language - Language62
Restoring Factory Settings - Factory Settings62
Voice Comments - Comments63
Displaying Leq & Lav Results - Leq & Lav63
Activating Warnings - Warnings63
Printing Reports - Report65
Printing Measurement Results - Print65
Selecting Printing Options - Options66
Selecting Results for the Report - Results67
Selecting Statistics for the Report - Statistics67
Selecting Spectra for the Report - Spectrum67
Printer Settings - Printer68
10 1/1- and 1/3-Octave Analyser69
Selecting 1/1 Octave or 1/3 Octave Function69
Configuring 1/1- or 1/3- Octave Analyser69
General Measurement Settings for 1/1 and 1/3-Octave Analysis - General Settings69
Selecting Measurement Range for 1/1- and 1/3-Octave Analysis - Range70
Logging of 1/1- and 1/3-Octave Spectra - Logging70
Setting Parameters of 1/1- and 1/3-Octave Analysis - Spectrum70
Configuring 1/1- and 1/3- Octave Spectra Views71
Presentation of 1/1- and 1/3-Octave Spectra71
Adjusting Spectrum Graph Scale - Display Scale72
Selecting Spectra to be Viewed - Spectrum View72
Sound Exposure Meter - Dosimeter74
Selecting Dosimeter Function74
Setting General Parameters - General Settings74
Setting Profile Parameters - Profile74
Checking Measurement Range - Range75
Setting Exposure Time - Exposure Time75
Setting Alarm Thresholds for Dose Meter Results - Alarm75
Displaying Dosimeter Results76
Displaying of Leq & Lav Results - Leq & Lav76
Reverberation Time Measurements - Rt6077
Selecting Rt60 Function77
Setting Rt60 Parameters - Rt60 Settings77
Starting Rt60 Measurements79
Viewing Rt60 Results80
Vrt6080
Averaging Rt60 Results80
Art6080
Sti Calculations - Stipa81
Sti Method Background81
Selecting Stipa Function81
Stipa Measurement and Calculation Process82
Measured Results82
Project Structure84
Results Averaging85
STIPA Settings85
Considering Ambient Noise Distortions87
STIPA Measurements87
Files Downloading and Data Processing90
Measurement with BA Assistant90
Measurement with SV 971A Without BA Assistant91
Presentation of STIPA Results93
Changing Background Noise Values94
Generating Reports94
Assistant Mobile Application95
Installing Assistant on a Mobile Device95
Connection Via Bluetooth95
Control Via Bluetooth96
Instruments' Status Screen97
Results View / Control Screen98
SMS and E-Mail Notifications100
Checking the Software Version and Exiting the Application101
General Purpose and Special Software102
Svan Pc102
Supervisor106
Ba Assistant108
Maintenance111
Replacing Batteries111
Extracting and Inserting the Memory Card111
Replacing the Microphone and Microphone Preamplifier111
Resetting the Instrument112
Upgrading the Firmware112
Preservation of Internal Batteries113
Transportation and Storage113
Cleaning113
Troubleshooting113
Glossary114
Modes and Measurement Functions114
Calibration115
Measured Results117
Measurement Parameters121
Display Parameters133
Instrument Parameters137
Auxiliary Parameters139
Report140
Appendix A. Remote Control141
Input /Output Transmission Types141
Function #1 - General Control Functions141
Function #2 - Measurement Results Read - out in the Slm Mode143
Function #3 - Measurement Results Read - out in 1/1- and 1/3- Octave Modes146
Function #4 - Setup File Read - out147
Function #5 - Statistical Analysis Results Read - out148
Function #7 - Special Control Functions149
Function #9 - Setup File Write - in149
Function #D - Data Files Access150
Function #S - Direct Setup Access151
Control Setting Codes152
Appendix B. Data File Structures179
General Structure of the Sv 971A Files179
Structure of the File Containing Results from Logger201
S File201
The Contents of the Files in the Logger201
Record with the Results201
Record with the State of the Markers203
Record with the Breaks in the Results Registration203
Record with the Breaks Account PAUSE in the Results Registration203
Record with the Wave File Name203
Record with Summary Results204
Record with Name of the Comment File204
Record with GPS Data205
Structure of the Setup File206
Date and Time206
Appendix C. Technical Specifications207
M (Slm)207
Specification of SV 971A as SLM in the Standard Configuration207
Effect of the SA 22 Windscreen227
Effect of the SA 271A Outdoor Microphone Kit239
Effect of Vibration239
Specification of Sv 971A as 1/1 Octave and 1/3 Octave Analyser241
Specification of SVAN 971A as 1/1- and 1/3-Octave Analyser in the Standard Configuration241
1/1 and 1/3 Octave Filters244
Frequency Characteristics of the Implemented Digital Filters253
Msv 971A255
Using the Sa 271A Outdoor Microphone Kit260
Declaration of Conformity283
Appendix D. Definitions and Formulae of Measured Values284
Basic Terms and Definitions284
Efinitions and Formulas of the285
Slm Result285
Efinitions and Formulas of the Additional Osimeter Function Results288
Statistical Levels - L N Definition289
Appendix E. Reverberation Time Calculations291
Introduction291
Reverberation Time292
Description of the Decay Curve Recording in Different Measurement Methods294
Appendix F. Sa 271A Outdoor Microphone Kit Assembly Guide297
Part Set297
Assembly of Sa 271A299
Important Notes305

Svantek SV 971A - Page 252

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