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SV 971A
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Svantek SV 971A - C.3 Frequency Characteristics of the Implemented Digital Filters
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SV 971A U
ser Man
ual
–
Appe
ndixe
s
253
C.
3
F
REQUEN
CY CHA
RAC
TERISTIC
S OF
THE IM
PLEM
ENTED DIGI
TAL FILT
ERS
“A” filter
Class 1 a
ccording
to IEC 651& an
d IEC
61672
-1:201
3
“A
” filt
er chara
cteris
tics
“C” filter
Class 1 a
ccording
to IEC 651 an
d IEC
61672
-1:201
3
“C” fi
lter cha
racte
ristic
s
“B” filter
Class 1 accordi
ng to IEC 65
1
“B” fi
lter cha
racte
ristic
s
252
254
Table of Contents
Main Page
Table of Contents
3
Index
9
Introduction
12
971A as Sound Level Meter & Analyser
12
General Features of Sv 971A
13
Accessories Included
13
Accessories Available
14
Firmware Options Available
14
General Information
15
Measurement Configurations
15
Input and Output Sockets of the Instrument
16
Instrument Power
17
Control Keys on the Front Panel
18
Working with the Instrument
19
Measurement Mode
19
Configuration Mode
20
Default Settings
23
Description of Icons
24
Overload and Underrange Detection
25
Saving Data
25
Downloading and Uploading Files
27
Activating Optional Functions
27
Measurement Functions and Calibration - Function
28
Activating Measurement Functions - Measurement Function
28
Calibration of the Instrument - Calibration
28
Calibration - by Measurement
29
Last Calibration Record - Last Calibration
30
History of Calibrations - Calibration History
30
Erasing Calibration Records - Clear History
31
Post Measurement Calibration - Post Calibration
31
Automatic Calibration - Auto Calibration
31
Configuring Measurement Parameters - Measurement
33
Setting General Measurement Parameters - General Settings
33
Setting Measurement Trigger - Measurement Trigger
35
Setting Parameters for Profiles - Profiles
37
Setting Alarm Thresholds for Dose Meter - Alarm
38
Configuring Data Logging - Logging
38
Setting General Logging Parameters - Logger Setup
39
Selecting Results for Logging - Logger Results
40
Configuring Logger Trigger - Logger Trigger
41
Configuring Signal Recording - Wave Recording
42
Selecting Measurement Range - Range
45
Selecting Microphone Compensation - Compensation Filter
45
Setting Statistical Levels - Statistical Levels
46
Programming Instrument
46
Rogramming Instruments Internal Ttimer Timer
46
Example of Timer Execution
47
Configuring Data Viewing - Display
48
Enabling Views - Display Modes
48
One Result View
48
Three Profiles View
50
Logger View
50
Statistics View
51
Running SPL View
51
File Information View
51
Adjusting Plot Scale - Display Scale
51
Selecting Measurement Results for Presentation - Measurement Results
52
Choosing Logger Results for Presentation - Logger Results
52
Configuring Power Saver - Screen Setup
53
Managing Files - File
54
Anaging Ffiles File Manager
55
Assigning the Directory for Saving Data Files - Working Directory
55
Renaming Files/Directories - Rename
56
Viewing Information about Files/Directories - Info
56
Deleting Files/Directories - Delete
56
Erasing Memory - Erase Disk
56
Anaging Ssetup Files Setup Manager
56
Configuring Instrument - Instrument
58
Choosing User Interface Mode - User Interface
58
Checking Power - Battery
59
Programming Keyboard Functions - Keyboard
59
Automatic Power off - Power off
60
Configuring Usb Interface - Usb
60
Setting Interface Parameters - Communication Ports
60
Self - Vibration Marker - Self Vibration
61
Programming Internal Real Time Clock - Rtc
61
Checking Instrument Properties - Unit Label
61
Auxiliary Settings - Auxiliary Setup
62
Selecting User Interface Language - Language
62
Restoring Factory Settings - Factory Settings
62
Voice Comments - Comments
63
Displaying Leq & Lav Results - Leq & Lav
63
Activating Warnings - Warnings
63
Printing Reports - Report
65
Printing Measurement Results - Print
65
Selecting Printing Options - Options
66
Selecting Results for the Report - Results
67
Selecting Statistics for the Report - Statistics
67
Selecting Spectra for the Report - Spectrum
67
Printer Settings - Printer
68
10 1/1- and 1/3-Octave Analyser
69
Selecting 1/1 Octave or 1/3 Octave Function
69
Configuring 1/1- or 1/3- Octave Analyser
69
General Measurement Settings for 1/1 and 1/3-Octave Analysis - General Settings
69
Selecting Measurement Range for 1/1- and 1/3-Octave Analysis - Range
70
Logging of 1/1- and 1/3-Octave Spectra - Logging
70
Setting Parameters of 1/1- and 1/3-Octave Analysis - Spectrum
70
Configuring 1/1- and 1/3- Octave Spectra Views
71
Presentation of 1/1- and 1/3-Octave Spectra
71
Adjusting Spectrum Graph Scale - Display Scale
72
Selecting Spectra to be Viewed - Spectrum View
72
Sound Exposure Meter - Dosimeter
74
Selecting Dosimeter Function
74
Setting General Parameters - General Settings
74
Setting Profile Parameters - Profile
74
Checking Measurement Range - Range
75
Setting Exposure Time - Exposure Time
75
Setting Alarm Thresholds for Dose Meter Results - Alarm
75
Displaying Dosimeter Results
76
Displaying of Leq & Lav Results - Leq & Lav
76
Reverberation Time Measurements - Rt60
77
Selecting Rt60 Function
77
Setting Rt60 Parameters - Rt60 Settings
77
Starting Rt60 Measurements
79
Viewing Rt60 Results
80
Vrt60
80
Averaging Rt60 Results
80
Art60
80
Sti Calculations - Stipa
81
Sti Method Background
81
Selecting Stipa Function
81
Stipa Measurement and Calculation Process
82
Measured Results
82
Project Structure
84
Results Averaging
85
STIPA Settings
85
Considering Ambient Noise Distortions
87
STIPA Measurements
87
Files Downloading and Data Processing
90
Measurement with BA Assistant
90
Measurement with SV 971A Without BA Assistant
91
Presentation of STIPA Results
93
Changing Background Noise Values
94
Generating Reports
94
Assistant Mobile Application
95
Installing Assistant on a Mobile Device
95
Connection Via Bluetooth
95
Control Via Bluetooth
96
Instruments' Status Screen
97
Results View / Control Screen
98
SMS and E-Mail Notifications
100
Checking the Software Version and Exiting the Application
101
General Purpose and Special Software
102
Svan Pc
102
Supervisor
106
Ba Assistant
108
Maintenance
111
Replacing Batteries
111
Extracting and Inserting the Memory Card
111
Replacing the Microphone and Microphone Preamplifier
111
Resetting the Instrument
112
Upgrading the Firmware
112
Preservation of Internal Batteries
113
Transportation and Storage
113
Cleaning
113
Troubleshooting
113
Glossary
114
Modes and Measurement Functions
114
Calibration
115
Measured Results
117
Measurement Parameters
121
Display Parameters
133
Instrument Parameters
137
Auxiliary Parameters
139
Report
140
Appendix A. Remote Control
141
Input /Output Transmission Types
141
Function #1 - General Control Functions
141
Function #2 - Measurement Results Read - out in the Slm Mode
143
Function #3 - Measurement Results Read - out in 1/1- and 1/3- Octave Modes
146
Function #4 - Setup File Read - out
147
Function #5 - Statistical Analysis Results Read - out
148
Function #7 - Special Control Functions
149
Function #9 - Setup File Write - in
149
Function #D - Data Files Access
150
Function #S - Direct Setup Access
151
Control Setting Codes
152
Appendix B. Data File Structures
179
General Structure of the Sv 971A Files
179
Structure of the File Containing Results from Logger
201
S File
201
The Contents of the Files in the Logger
201
Record with the Results
201
Record with the State of the Markers
203
Record with the Breaks in the Results Registration
203
Record with the Breaks Account PAUSE in the Results Registration
203
Record with the Wave File Name
203
Record with Summary Results
204
Record with Name of the Comment File
204
Record with GPS Data
205
Structure of the Setup File
206
Date and Time
206
Appendix C. Technical Specifications
207
M (Slm)
207
Specification of SV 971A as SLM in the Standard Configuration
207
Effect of the SA 22 Windscreen
227
Effect of the SA 271A Outdoor Microphone Kit
239
Effect of Vibration
239
Specification of Sv 971A as 1/1 Octave and 1/3 Octave Analyser
241
Specification of SVAN 971A as 1/1- and 1/3-Octave Analyser in the Standard Configuration
241
1/1 and 1/3 Octave Filters
244
Frequency Characteristics of the Implemented Digital Filters
253
Msv 971A
255
Using the Sa 271A Outdoor Microphone Kit
260
Declaration of Conformity
283
Appendix D. Definitions and Formulae of Measured Values
284
Basic Terms and Definitions
284
Efinitions and Formulas of the
285
Slm Result
285
Efinitions and Formulas of the Additional Osimeter Function Results
288
Statistical Levels - L N Definition
289
Appendix E. Reverberation Time Calculations
291
Introduction
291
Reverberation Time
292
Description of the Decay Curve Recording in Different Measurement Methods
294
Appendix F. Sa 271A Outdoor Microphone Kit Assembly Guide
297
Part Set
297
Assembly of Sa 271A
299
Important Notes
305
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