Svantek SV 973 - Frequency Characteristics of Digital Filters

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SVAN 973 User Manual – Appendixes

190

C.5 FREQUENCY CHARACTERISTICS OF THE IMPLEMENTED DIGITAL FILTERS

Z Filter: Class 2 according to the IEC 61672-1:2013 standard.

A Filter: Class 2 according to the IEC 61672-1:2013 standard.

Table of Contents

Default Chapter3
- Table of Contents3
Index8
1 Introduction11
- 973 As Sound Level Meter / Sound Exposure Meter / Analyser11
- General Features of Sv 97312
- Accessories Included12
- Accessories Available13
- Firmware Options Available13
2 General Information14
- Instrument Configurations14
- Input and Output Sockets of the Instrument14
- Instrument Power15
- Control Keys on the Front Panel15
- Working with Instrument17
  - Measurement Mode17
  - Configuration Mode18
- Getting Started20
- Description of Icons21
- Overload and Underrange Detection23
- Saving Data23
- Downloading and Uploading Files25
- Activating Optional Functions25
3 Measurement Functions and Calibration - Function26
- Activating Measurement Functions - Measurement Function26
- Nstruments Calibration Alibration26
4 Configuring Measurement Parameters - Measurement31
- Setting General Measurement Parameters - General Settings31
- Setting Measurement Trigger - Measurement Trigger33
- Setting Parameters for Profiles - Profiles35
- Setting Alarm Thresholds for Dose Meter - Alarm35
- Configuring Data Logging - Logging35
- Measurement Range - Range42
- Switching on Compensation Filters - Compensation Filter42
- Setting Statistical Levels - Statistical Levels43
- Programming Instrument43
  - Rogramming Instruments Internal Ttimer Timer43
  - Example of Timer Execution44
5 Configuring Data Viewing - Display45
- Enabling Views - Display Modes45
- Adjusting Plot Scale - Display Scale48
- Selecting Measurement Results for Presentation - Measurement Results49
- Choosing Logger Results for Presentation - Logger Results49
- Configuring Power Saver - Screen Setup49
6 Managing Files - File51
- Managing Instrument51
- Anaging Ssetup Files Setup Manager53
7 Configuring Instrument - Instrument54
- Choosing User Interface Mode - User Interface54
- Checking Power - Battery54
- Programming Keyboard Functions - Keyboard55
- Automatic Power off Setting - Power off55
- Usb56
- Switching Bluetooth - Bluetooth56
  - Onfiguring Serial Interface56
- Rtc56
- Checking Instrument Properties - Unit Label57
8 Auxiliary Settings - Auxiliary Setup58
- Selecting User Interface Language - Language58
- Restoring Factory Settings - Factory Settings58
- Voice Comments - Comments59
- Displaying Leq & Lav Results - Leq & Lav59
- Activating Warnings - Warnings59
9 Printing Reports - Report61
- Printing Measurement Results - Print61
- Selecting Printing Options - Options63
- Selecting Results for the Report - Results63
- Selecting Statistics for the Report - Statistics63
- Selecting Spectra for the Report - Spectrum64
- Printer Settings - Printer64
10 1/1-Octave and 1/3-Octave Analyser65
- Selecting 1/1 Octave or 1/3 Octave Function65
- Configuring 1/1- or 1/3- Octave Analyser65
- Configuring 1/1- or 1/3- Octave Spectra Views66
11 Dosimeter69
- Selecting Dosimeter Function69
- Setting General Parameters - General Settings69
- Setting Profile Parameters - Profile69
- Checking Measurement Range - Range70
- Setting Exposure Time - Exposure Time70
- Setting Alarm Thresholds for Dose Meter Results - Alarm70
- Logging Time - History Results - Logger Results71
- Displaying Dosimeter Results71
  - Displaying of Leq & Lav Results - Leq & Lav71
12 Reverberation Time Measurements - Rt6072
- Selecting Rt60 Function72
- Setting Rt60 Parameters - Rt60 Settings72
- Starting Rt60 Measurements74
  - Viewing Rt60 Results75
- Vrt6075
- Averaging Rt60 Results75
13 Maintenance76
- Batteries Replacement76
- Disconnecting Microphone76
- Resetting the Instrument76
- Firmware Upgrade77
- Preservation of Internal Batteries77
- Transportation and Storage77
- Cleaning77
- Troubleshooting78
14 Glossary79
- Modes and Measurement Functions79
- Calibration80
- Definitions of Measured Results81
- Measurement Parameters85
- Isplay Parameters97
- Instrument Parameters100
- Auxiliary Parameters102
Appendix A. Remote Control104
- Input /Output Transmission Types104
- Function #1 - Input /Output of the Control Setting Codes104
- Function #2 - Measurement Results Read - out in the Slm Mode106
- Function #3 - Read out of Measurement Results in 1/1 Octave and 1/3 Octave Mode109
- Function #4 - Read - out of the Data File from the Internal Flash -Disk or Ram Memory109
- Function #D - Read / Write the Data Files from the External Memory (Sd- Card )110
- Function #5 - Statistical Analysis Results Read - out112
- Function #7 - Special Control Functions113
- Function #9 - Write - in the Data File into the Internal Flash - Disc117
- Control Setting Codes117
Appendix B. Data File Structures122
- General Structure of the Sv 973 Files122
- Structure of the File Containing Results from Logger141
  - S File141
  - The Contents of the Files in the Logger142
- Structure of the Setup File147
- Date and Time147
Appendix C. Technical Specifications148
- As Sound Level Meter in the Standard Configuration148
- As Sound Exposure Meter163
- Windscreen178
- As Ctave and Ctave Analyzer181
- Frequency Characteristics of the Implemented Digital Filters190
- Miscellaneous Specification of Msv 973193
- Declaration of Conformity198
Appendix D. Definitions and Formulae of Measured Values199
- Basic Terms and Definitions199
- Efinitions and Formulas of the200
  - Slm Results200
- Efinitions and Formulas of the Additional Osimeter Function Results203
- Definitions and Formulas of the Additional Running Leq Function Results204
- Statistical Levels - L N Definition205
Appendix E. Reverberation Time Calculations207
- Introduction207
  - Reverberation Time208
- Description of the Decay Curve Recording in Different Measurement Methods210

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