Larson Davis 831 Sound Level Meter Manuals

Manuals and User Guides for Larson Davis 831 Sound Level Meter. We have 1 Larson Davis 831 Sound Level Meter manual available for free PDF download: User Manual

Larson Davis 831 User Manual (548 pages)

sound level meter

Brand: Larson Davis | Category: Measuring Instruments | Size: 7 MB

Table of Contents
4
831 Features
10
Chapter 1 831 Features

10
- Hardware Features
  10
- Basic Measurements
  11
- Basic Operation
  11
- Available Options
  12
- Standard Accessories
  13
- Optional Accessories
  14
Chapter 2 First Use

20
- First Use
  20
- Unpacking and Inspection
  20
- Connecting the Microphone and Preamplifier
  21
- Connecting the Preamplifier
  22
- Disconnecting the Preamplifier
  23
- Powering the Model 831
  23
- External Power Supply
  27
- 831 Components
  32
Chapter 3 Overview

32
- Summary of Displays and Icons
  38
- Basic Run Functions
  43
- Navigating and Selecting
  43
- Tab and Setting Displays
  44
Chapter 6 Run Control

45
- Parameter Selection
  51
Chapter 4 Basic Measurement Setup

56
- Settings Screen
  56
- Setup Tabs
  57
- Exiting Settings Screen
  70
- Setup Manager
  71
Chapter 5 Data Display

80
- Data Labels
  80
- Tabbed Structure
  80
- Live Tab
  81
- Overall Tab
  91
- Overall Slm
  94
- C-A and Impulsivity
  102
- Session Log Tab
  104
- Adjust Graph Scale
  108
- View Spectrum Normalized
  109
- Any Level Display
  120
Run Control

124
- Run Control Setup
  124
- Run Mode with Measurement History
  126
- Run Modes Without Measurement History
  127
Chapter 7 Making a Measurement

136
- Configuration of the System
  136
- Making a Measurement
  136
- Switching on the Model 831
  136
- Calibrating the Model 831
  138
- Model 831 Setup
  138
- Positioning the Model 831
  138
- Performing the Measurement
  140
  - Measurement Range
    143
  - Stopping the Measurement
    149
- Storing the Measurement
  150
- Recovery after Improper Shutdown
  153
- Calibration Overview
  156
Chapter 8 Calibration

156
- Control Panel - Calibrate
  157
- Acoustic Calibration
  160
- Calibration History
  167
- Sensitivity Tab
  168
- Calibration Without Preamplifier
  170
- Certification
  171
- E.A. Check
  173
- E.A. History
  175
Chapter 9 Industrial Hygiene

176
- Measurement Setup
  176
- Data Display
  180
Chapter 10 Voice Recording

184
- Control Panel - Voice Recording
  184
- Voice Recording
  184
- Voice Recorder
  185
Chapter 11 Time History

188
- Metrics Logged
  188
- Time History
  188
- Time History Setup
  191
- Time History Display
  196
- Locate Record Number
  203
- Link to Measurement History Display
  204
- Markers
  205
Chapter 12 Measurement History

210
- Measurement History
  210
- Run Control with Measurement History
  210
- Continuous and Timer Modes
  211
- Timed Stop Mode
  212
- Display of Measurement History Data
  214
- Manual and Stop When Stable Modes
  214
- Link to Time History
  220
- Storing a Measurement History
  220
Chapter 13 Event History

222
- Event History
  222
- Level Based Events
  222
- Event History Setup
  223
- Trigger Method
  229
- Event Time History Setup
  231
- Event History Display
  242
- Link to Time History and Measurement History
  243
Chapter 14 FFT and Tonality

246
- Configuring a Measurement
  248
- Viewing and Analyzing Results
  255
- Storing Data
  266
- Viewing Stored Data
  266
- Return to Sound Level Meter Mode
  267
- Accessing RT-60 Mode
  268
- Accessing FFT Mode
  246
Chapter 15 RT-60

268
- Making a Measurement
  270
- Viewing and Analyzing Results
  275
- Manually Controlling the Internal Noise Source
  283
- Customizing Measurements
  287
- General Settings
  288
- Storing Data
  293
- Viewing Stored Data
  293
- Quality Indicators
  294
- Accuracy Grade
  295
- Return to Sound Level Meter Mode
  296
Chapter 16 Sound Recording

298
- Sound Recording Types
  298
- Sound Recording Setup
  299
- Manual Sound Recording
  304
- Marker Initiated Recording
  306
- Event Sound Recording
  311
- Measurement History Sound Recording
  315
- Combined Sound Recordings
  316
- Sound Recording Playback
  317
Chapter 17 Data Explorer

322
- Data Explorer
  323
Chapter 18 System Properties

332
- Device
  333
- Time
  334
- Power
  336
- Preferences
  341
- Time Zone
  349
- Localization
  351
- Date Format
  352
- Displays
  354
- Options
  360
- Logic I/O
  362
Chapter 19 Non-Acoustical Inputs

364
- Weather Measurement Using 831-INT
  365
- Location Measurement Using 831-INT
  373
- Control Panel - Data Explorer
  322
- Control Panel - System Properties
  332
- 831-Int
  364
Chapter 20 Communication

376
- Control Panel - Communication
  376
- Modem Tab
  378
- Wireless Tab
  381
- RS-232 Tab
  383
- SMS out
  387
- Network Tab
  388
- Status Tab
  390
- Troubleshooting
  395
Chapter 21 Lock/Unlock the Model 831

404
- Control Panel - Lock
  404
- Lock/Unlock the Model 831
  404
- Fully Locked
  408
- Locked with Auto-Store
  409
- Locked with Manual-Store
  410
- Calibration When the Model 831 Is Locked
  411
- About
  414
Chapter 22 About

414
- Control Panel - about
  414
- Standards
  415
- Options
  416
- User
  417
Chapter 23 System Utilities

418
- Control Panel - System Utilities
  418
- System Utilities
  418
- File System
  419
- Basic Sound Level Measurements
  422
Chapter 24 Parameters Measured

422
- Parameters Measured
  422
- Sound Exposure Metrics Measured
  424
- Statistical Metrics Measured
  425
- Event History (831-ELA Required)
  427
- Exceedance Counters
  427
- Measurement History (831-ELA Required)
  427
- Miscellaneous Parameters
  427
- Time History (831-LOG Required)
  427
Chapter 25 Memory Utilization

428
- Memory Utilization
  428
- Out of Memory Stop
  428
- Overall Data
  428
- Session Log
  428
- Events
  429
- Measurement History
  429
- Time History
  429
- Sound Recording
  430
- Voice Messages
  430
- Bad Flash Blocks
  431
Chapter 26 Upgrade Firmware and Options

432
- Upgrading Model 831 Firmware
  433
- Upgrading Options
  436
Appendix A Technical Specifications

438
- Standards Met by Model 831
  438
- Model 831 Specifications
  439
  - Performance Specifications
    441
  - General Specifications
    445
  - Frequency Weightings
    448
- CE Information
  457
- 1/1 and 1/3 Octave Filters
  458
- Position of Instrument and Operator
  467
- Frequency Response
  469
- Specifications
  494
- Vibration Sensitivity
  499
- Sections 5, 6, 7 and 9 (Except 9.3
  508
Appendix B Measuring to IEC61672-1

514
Appendix C Integrated Level Calculations

514
- Basic Integrated Level Calculations
  514
- Community Noise Descriptors
  522
Appendix D Glossary

526

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Larson Davis 831 Sound Level Meter Manuals

Larson Davis 831 User Manual (548 pages)

Table of Contents

Chapter 1 831 Features

Chapter 2 First Use

Chapter 3 Overview

Chapter 6 Run Control

Chapter 4 Basic Measurement Setup

Chapter 5 Data Display

Run Control

Chapter 7 Making a Measurement

Chapter 8 Calibration

Chapter 9 Industrial Hygiene

Chapter 10 Voice Recording

Chapter 11 Time History

Chapter 12 Measurement History

Chapter 13 Event History

Chapter 14 FFT and Tonality

Chapter 15 RT-60

Chapter 16 Sound Recording

Chapter 17 Data Explorer

Chapter 18 System Properties

Chapter 19 Non-Acoustical Inputs

Chapter 20 Communication

Chapter 21 Lock/Unlock the Model 831

Chapter 22 About

Chapter 23 System Utilities

Chapter 24 Parameters Measured

Chapter 25 Memory Utilization

Chapter 26 Upgrade Firmware and Options

Appendix A Technical Specifications

Appendix B Measuring to IEC61672-1

Appendix C Integrated Level Calculations

Appendix D Glossary

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