Larson Davis SoundAdvisor 831C Reference Manual page 147

Appendix A
A.1 Instrument Platform ...........................................................................................................A-2
A.1.1 Standards Met .......................................................................................................A-2
A.1.2 Supplied Microphone Specifications ...................................................................A-2
A.1.3 Microphone Preamplifier Specifications .............................................................A-2
A.1.4 SLM Performance ..................................................................................................A-2
A.1.5 User Interface Specifications ...............................................................................A-4
A.1.6 Input Specifications ..............................................................................................A-4
A.1.7 USB Client Interface Specifications .....................................................................A-4
A.1.8 USB Host Interface Specifications .......................................................................A-4
A.1.9 AC/DC Output Specifications ................................................................................A-4
A.1.10 AC Performance Specifications ............................................................................A-5
A.1.11 I/O Connector Specifications ...............................................................................A-5
A.1.12 I/O Connector Pinouts Specifications ..................................................................A-5
A.1.13 Battery Specifications ...........................................................................................A-6
A.1.14 External Power Specifications .............................................................................A-6
A.1.15 External DC Power Supply Specs .........................................................................A-6
A.1.16 Data Storage Specifications .................................................................................A-7
A.1.17 Electrostatic Discharge Specifications ................................................................A-7
A.1.18 Environmental Conditions Specs .........................................................................A-7
A.1.19 Physical Characteristics .......................................................................................A-7
A.2 Model PRM831 .....................................................................................................................A-7
A.2.1 Model PRM831 Specifications ..............................................................................A-7
A.3 Base Software ....................................................................................................................A-10
A.3.1 Standards Met .....................................................................................................A-10
A.3.2 Correction Filters ................................................................................................A-10
A.3.3 Measurement System .........................................................................................A-11
A.3.4 Measurements .....................................................................................................A-11
A.3.5 Overall Metrics ....................................................................................................A-11
A.3.6 Measurement Control .........................................................................................A-12
A.3.7 Measurement Status ...........................................................................................A-12
A.3.8 Back-Erase ..........................................................................................................A-12
A.4 Octave Band Analysis Software - Option 831C-OB3 .......................................................A-13
A.5 Event Logging Software - Option 831C-ELA ....................................................................A-19
A.6 Time History Software - Option 831C-LOG ......................................................................A-20
A.7 PTB Approved Firmware ...................................................................................................A-20
A.8 Frequency Response .........................................................................................................A-21
A.8.1 Plane Parallel To Display Screen .......................................................................A-21
A.8.2 Perpendicular to Plane of Display Screen .........................................................A-30
A.8.3 Random Incidence ..............................................................................................A-38
A.8.4 Typical Z-Weight Frequency Response ..............................................................A-38
A.9 Declaration of Conformity ................................................................................................A-40
Unless otherwise noted, these specifications apply to the SoundAdvisor Model 831C SLM used with a 377B02
microphone, PRM831 microphone preamplifier, and the EXC020 20 foot (6 m) preamplifier extension cable.
SoundAdvisor Model 831C
Technical Specifications
A-1