SoundAdvisor Sound Level Meter Rental

Handheld to Remote Monitoring | Larson Davis 831C

The Larson Davis SoundAdvisor Sound Level Meter Model 831C, an IEC 61672-1:2013, ANSI S1.4-2014 Class 1 integrating sound level meter, is designed to make noise measurement and decibel level measurement easy. Due to its connectivity, extensive software features, and small form factor the SoundAdvisor is an ideal choice for handheld operation. Attended measurements are simplified, with the ability to control and monitor data via any PC or mobile device with a standard web interface. Designed with the acoustic professional in mind, SoundAdvisor offers an elegant solution for complex needs in an easy-to-use system.

rental 831C product

Highlights

  • Powerful – Simultaneously measure and record over 50 acoustic parameters, plus short-term time histories and long-term measurement histories
  • Customizable – From handheld noise measurements to long-term outdoor noise monitoring with automatic event detection
  • User-Friendly – Whether setting up a test on the meter, checking in remotely from a laptop, or receiving an alert to a smartphone, interface and menus are the same across all

Applications

  • Environmental Noise Assessment
  • Product Noise Studies
  • Code Enforcement
  • Community and Urban Noise Monitoring
  • Frequency Analysis (Machinery or Tonal Assessment)
  • Wind Farm Noise Monitoring

Specifications

View Brochure for complete specifications

Internal Memory2 GB standard, expandable via USB memory stick
Dynamic Range120 dB (20 – 140 dB standard range)
Frequency WeightingsA, C, and Z (simultaneous)
Time WeightingsSlow, Fast, and Impulse
Power Supply4 AA batteries provide over 18 hours of operation

Standard Kits

Popular preconfigured SoundAdvisor Model 831C kits for short term studies in controlled environments or for use with your own longer-term power and environmental protection.

ModelDescription
K831C‑LLogging Analyzer Kit
K831CLogging Analyzer Kit with 1/1 and 1/3 Octave
K831C‑HLogging Analyzer Kit with 1/1 and 1/3 Octave band analysis plus sound recording

Firmware Options for Sound Level Meter Kits

FirmwareDescriptionK831C‑LK831CK831C‑H
831C‑LOGLogging of Time Histories
increments from 2.5 ms to 24 hr
831C‑ELAMeasurement History
exceedance/event logging, intervals and daily histories
831C‑OB3Selectable Real Time
1/1 and/or 1/3 octave filter set
831C‑SRSound Recording
level and dynamic based event recording and more
831C‑FFTFFT Frequency Analysis
spectral analysis of sound and vibration signals
831C‑SCHScheduling Tools
scheduling for measurements, communication options, and alert levels

– Standard with Rental
– Optional Addition

Outdoor Kits

Outdoor noise monitoring kits include meter, microphone, preamplifier, user selectable tripod, EPS2116 environmental protection kit, and battery case. For more detailed information, please visit our page on outdoor noise monitoring kits.

ModelDescription
NMS831C‑LOutdoor Logging Noise Monitoring System. Includes 831C meter with LOG, ELA, and firmware, microphone, preamplifier, user selectable tripod, EPS2116 environmental protection kit, and battery case.
NMS831CSame as NMS831C-L, but adds OB3 firmware
NMS831C‑HSame as NMS831C-L, but adds OB3 and Sound Recording firmware
NMS044-SLA100Complete 831C based noise monitoring system capable of remote data access, email and text alerts when connected to internet via Ethernet, Wi-Fi, or Cellular network. Solar panel included to charge battery.

Firmware Included in Outdoor Noise Monitoring Kits

FirmwareDescriptionNMS831C‑LNMS831CNMS831C‑HNMS044-SLA100
831C‑LOGLogging of Time Histories
increments from 2.5 ms to 24 hr
831C‑ELAMeasurement History
exceedance/event logging, intervals and daily histories
831C‑OB3Selectable Real Time
1/1 and/or 1/3 octave filter set
831C‑SRSound Recording
level and dynamic based event recording and more
831C‑SWDirect support of Sierra Wireless RV-50 gateway
831C‑SCHScheduling Tools
scheduling for measurements, communication options, and alert levels

– Standard with Rental
– Optional Addition

Accessories

831C Kits provide an easy out of the box solution for most testing situations. If additional hardware or software are needed for more complex setups, The Modal Shop can help. GPS, Voice Annotation, and many other options are available. View Sound Level Meter Selection Sheet for more details.

ModelDescription
Included Standard
377B021/2" freefield microphone standard (other options available)
PRM831Preamplifier
EXC010Microphone extension cable, 10 ft
KBAT15AA battery kit for short term use, with recharger
PSA029AC power adapter
CBL138USB cable to connect to AC adapter or computer
WS0013-1/2" windscreen
DVX014USB WiFi dongle
CCS001-831 or CCCS-001-831-4Rugged hard shell case for individual or multiple meters
SoftwareG4 Utility software for meter setup and data download
AccessoriesCalibration data, manual sets, computer interface accessories and an acoustic calibrator
Optional Standard
SWW-DNAData Navigation and Analysis Software – navigate through extensive data with measurement organization, reporting, and data post-processing tools
BAS001Omnidirectional (Dodecahedral) Source for reverberation time, room acoustic and building acoustic measurements
BAS002Power Amplifier for BAS001 and BAS002
TRP023Tripod for omnidirectional source and directional source
CAL200Precision Sound Level Calibrator for 1/2" Microphones
831-GPSUSB cable to connect to AC adapter or computer GPS unit for 831C –  provides global positioning information to 831C data, connects via AUX USB connection
ACC003Headset with microphone boom – 2.5 mm micro-jack, for voice annotation
ADP074ICP® interface cable – allows connection of a single axis ICP accelerometer, provides BNC connection
Optional Outdoor
079A15Microphone stand with boom attachment and adaptor ≠ Boom connector has 5/8"-27 stud, converts to 1/4"-20 stud with included adapter. Height adjusts from 36" to 63", 30' boom length, 23" base spread. Generally used to mount preamp/mic via 079A11 clip. Lightweight tripod, not recommended for unattended monitoring.
079A11Microphone clip for 1/2" microphones – Microphone holder designed to attach to 1/4"-20 stud. Height from base to center of holder is 1".
EPS042Small environmental enclosure kit – with BAT015 battery holder with fuse, (8) D-cell batteries included. Typically provides 5 days of operation.
EPS047Rugged environmental enclosure kit – with BAT024 for 12 D-cell batteries (batteries not included) and gland for microphone extension cable and weather sensor. CBL224-02 NOT INCLUDED
EPS2116Environmental protection kit for 1/2" PRM831 – with windscreen, bird spike, rain hat, desiccants, and flexible mounting options.
SEN031Combined weather sensor – Wind speed and direction, temperature, humidity, pressure, rainfall (requires CBL167 cable + DVX008A)
BAT011DC 12 V 21 Ah External Sealed Lead Acid Battery – Nonspillable 6" x 9" x 4" 10 lb unit, charger included upon request
CBL168External Power Cabling for One External 12V DC Battery
CBL143External Power Cabling for Two External 12V DC Batteries
EXCMicrophone Extension Cables – Various lengths available: EXC010 for 10 ft, EXC020 for 20 ft, EXC050 for 50 ft, EXC100 for 100 ft

Featured Options

Single Channel FFT Analysis for Sound and Vibration

FFT analysis is useful in identifying key frequencies of a signal. The Sound and Vibration FFT Analyzer Model 83C-FFT pairs SoundAdvisor™ Sound Level Meter with FFT Firmware for machinery troubleshooting, noise source identification, tone detection, and more.

Learn More


Portable, Solar Powered Outdoor Noise Monitoring System

Outdoor Noise Monitoring System Model NMS044 offers access to measurements and noise limit exceedance alerts from any Internet connected device. With either a solar panel or line power, measurements can be collected virtually indefinitely.

Learn More

Capabilities

  • Built in digital correction between free-field and random incidence mics
  • Works with any standard 0 V prepolarized condenser microphone
  • User selectable multi-parameter Data Logging (as fast as 2.5 ms)
  • Measurement History allows longer term parameters to be stored simultaneously with Data Logging (e.g., Ln and histogram tables)
  • Exceedance History with programmable length and triggers
  • Multiple setup configurations can be stored on each meter
  • G4 Software allows for easy meter setup and data download
  • Dynamic Triggering of .wav recording based on varying background level (*)
  • Accelerometer connectivity/ICP® power for vibration measurements with adaptor (*)
  • Real Time 1/1 & 1/3 Octave Frequency Analysis (*)
  • Advanced .wav sound recording for sound identification or post-processing (*)
  • (*) Indicates an available option

Connectivity

  • Cellular, WiFi, or wired networking
  • Remote access to download data, update settings, and more
  • USB 2.0 connections including auxiliary port for GPS, USB storage, modem and more

Internal Storage Capacity

  • 100 million point Leq Time History (0.1 dB resolution)
  • 30 million 1/1 octave spectra
  • 12 million 1/3 octave spectra
  • 2 million full parameter Time Histories (over 40 sound metrics plus 1/1 and 1/3 Leq, SPL, min and max)
  • 400,000 Standard Measurement Histories (including 1/1, 1/3 octave Leq, max, min, and Ln tables)
  • 330,000 Full Measurement Histories (includes standard plus weather, GPS data, and Spectral Ln tables)

Standards Met and Pattern Approvals / Type Approvals

OrganizationStandard
ANSIS1.4-2014 Class 1 and S1.43-1997 Type 1
S1.11-2014 Class 1, all filters [Octave Filter Standards, Option 831C-OB3]
IEC61672-1 Ed. 2.0 (2013) Class 1, Group X
60651 Ed 1.2 (2001) plus Amendment 1 (1993-02) and Amendment 2 (2000-10) Type 1, Group X
60804 (2000-10) Type 1, Group X
61260 Ed. 2.0 (2014) Class 1, all filters [Octave Filter Standards, Option 831C-OB3
61010-1 Ed. 3.0 (2010-06) [Safety Requirements for Electrical Equipment for Measurement, Control, and Laboratory Use]
61326-1 Ed. 2.0 (2012-07) and 61672-1 Ed. 2.0 (2013-09) [EMC Immunity and Emission]
OTHERDIN 45657
2006/95/EC Low Voltage Safety Directive
2004/08/EC EMC Directive
FCC Title 47 CRF Part 15, Class B
Pattern ApprovalsLNE
PTB
METAS (paired with Preamplifier Model PRM2103)
METAS (paired with Preamplifier Model PRM831)