Appendix A Technical Specifications; Overview; Soundadvisor Model 831C Instrument Platform - Larson Davis SoundAdvisor 831C Reference Manual

Appendix
A.1 Overview ..............................................................................................................................A-1
A.2 SoundAdvisor Model 831C Instrument Platform ...............................................................A-1
A.3 SoundAdvisor Model 831C Base Software .........................................................................A-5
A.4 SoundAdvisor Model 831C Octave Band Analysis Software - Option 831C-OB3 .............A-8
A.5 SoundAdvisor Model 831C Event Logging Software - Option 831C-ELA ........................A-14
A.6 SoundAdvisor Model 831C Time History Software - Option 831C-LOG ..........................A-15
A.7 Frequency Response .........................................................................................................A-16
A.7.1 Plane Parallel To Display Screen .......................................................................A-16
A.7.2 Perpendicular to Plane of Display Screen .........................................................A-25
A.7.3 Random Incidence ..............................................................................................A-33
A.7.4 Typical Z-Weight Frequency Response ..............................................................A-34
A.8 Declaration of Conformity ................................................................................................A-35
A.1 Overview
Specifications apply to the SoundAdvisor Model
831C used with a 377B02 microphone, PRM831
A.2 SoundAdvisor Model 831C Instrument Platform
Standards Met
Safety: IEC 61010-1:2010: Safety Requirements for
Electrical Equipment for Measurement, Control
and Laboratory Use
Table A.1 Safety Marks
EMC Emission: CISPR 11:2015 with Amend 1 (EN
55011)
EMC Immunity: EN 61672-1:2013, EN 61000-6-
2:2005
SoundAdvisor Model 831C
A Technical Specifications
CE-mark indicates
compliance with the
EMC, Low Voltage, and
RoHs Directives
C-Tick indicates
compliance with the
EMC and Low Voltage
Directives for Australia
and New Zealand
cUL/UL and SAA
WEEE mark indicates
compliance with the EU
WEEE Directive
microphone preamplifier and EXC020 20 foot (6 m)
preamplifier extension cable.
Electrostatic discharge
IEC61000-4-2:2008, ± 4kV contact discharges and ±
8 kV air discharges.
Other Standards: Test results and certificates
compliant with ISO 17025
Supplied Microphone
Model 377B02, 1/2" free-field, prepolarized
condenser microphone
Typical Sensitivity: 50 mV/Pa (+/-1.5 dB)
corresponding to -26 dB re. 1 V/Pa
Frequency Response: 3.15 Hz to 20 kHz (+/-2 dB)
Capacitance: 12 pF
Microphone Preamplifier
Model PRM831, 1/2" dia x 2.88"
Typical Preamplifier Attenuation: 0.08 dB
Connector: 5-Pin Male, Switchcraft TA5MLAUX
Mating Connector: 5-Pin Female, Switchcraft
TA5FLAUX
Extension Cables: A preamplifier extension cable
may be placed between the meter and the
preamplifier/microphone with no degradation for
lengths up to 200 feet (61 m).
Microphone polarization voltage: 0 V (no
polarization provided,
microphones)
(ESD) Immunity:
use pre-polarized
A-1