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At Larson Davis, our products and services are constantly evolving. You'll find information relevant to your specific applications below, with links to more information on new products, downloads for the most up-to-date firmware, discontinuation notices, and upgrade opportunities. For detailed support documentation and resources for specific products, please visit our Support Portal.
As always, the Larson Davis Team is here to support you in your testing - you can reach us via sales@larsondavis.com or at 1.716.684.0001.
Software | Environmental Noise | Industrial Hygiene | Audiometer Calibration | Product Testing | Building Acoustics
// 04 2023
Free software update with firmware upgrades for Larson Davis meters. Includes fixes to firmware update package availability. See Release History for details.
Download
// 03 2023
Free software update with firmware upgrades for Larson Davis meters. Includes improvements to SoundAdvisor Sound Level Meter Model 831C communication during calibration check and enhancements to Spartan Noise Dosimeter Model 730 calibration routines,
plus installation and auto-downloader bug fixes. See Release History for details.
Download
// 01 2023
Free software update with firmware upgrades for Larson Davis meters. Adds support for ANSI S3.6 (2018) and ANSI S3.6 (1989) standards for Audiometer Calibration, plus support for New Zealand standard NZ ONIHL-ACC, to SoundAdvisor Sound Level Meter
Model 831C. Added new options for synchronizing time between meters and PC. Enhancements include improved downloads with communication validation and consistent file-naming conventions. See Release History for details.
Download
// 06 2022
Free software update supports the optional firmware upgrade to add Room Acoustics measurements to SoundAdvisorTM Sound Level Meter Model 831C. Other enhancements include the ability to view data from a slice of time on the Time History
graph and support for new worker noise exposure standards. See Release History for details on more improvements and additions.
Download
// 06 2022
Free app update supports the optional firmware upgrade to add Room Acoustics measurements to SoundAdvisorTM Sound Level Meter Model 831C. Plus, enhancements to communication with Human Vibration Meter Model HVM200 and updates for compatibility
with certain iPhones. Learn more with Release History details available on Google Play and the App Store.
Download
// 02 2022
Free software upgrade offers automatic file download and export run in the background, even when G4 is not running, requiring no user intervention. Also supports the use of the new Artificial Mastoid AMC493C. See Release History for details.
Download
// 02 2022
This version of DNA Software is compatible with the services first made available in LD Utility G4 V4.6.5 that provide background download and export of instrument data.
Download
// 11 2021
Free software upgrade with firmware updates for Larson Davis meters. Includes improved file management and data visualization, addition of LAIeq metric to Live View and measurement reports for Spartan Noise Dosimeter, live 1/3 octave band data
for HVM200, improved audio streaming protocol for SoundAdvisor, and more. See Release History for details.
Download
// 05 2021
Free software upgrade that offers the ability to sort data in G4 data by column and also integrates location visibility via Google Maps.
Download
// 03 2021
Free software upgrade includes support of FFT Analysis firmware for SoundAdvisors Sound Level Meter Model 831C.
Download
// 06 2020
Free software upgrade includes new project management options, searchable data files and improved file browsing, automatic data download, performance improvements, and much more.
Download
// 06 2022
The Larson Davis Sound Level Meter Model 831 is being discontinued as of June 2022. Larson Davis will continue to support legacy 831 units in the field. SoundAdvisor Sound Level Meter Model 831C offers all of the functionality of Model 831, plus powerful tools for connectivity and remote meter management and other upgrades.
More Information on SoundAdvisor
// 06 2020
Have a complex schedule? No problem. Get only the data you need, change trigger limits as needed, and alert just the right people when there is a problem using the optional 831C scheduler (831C-SCH).
Contact Our Technical Team for Details
// 02 2022
Effective immediately the 730IS is now MSHA approved for use in methane gas environments.
More Information on Spartan Intrinsically Safe Noise Dosimeter
// 07 2020
For customers taking worker noise dose measurements where intrinsic safety ratings are required, the Spartan Intrinsically Safe Noise Dosimeter Model 730IS is now available. With all of the features of the Spartan Series, Spartan-IS provides
completely wireless noise exposure measurements in hazardous areas such as petrochemical sites, chemical manufacturing plants, pharmaceutical manufacturing facilities and other potentially hazardous locations where ATEX/IECEx (Ex ia
I/IIC), UL 913 / CAN/CSA C22.2 (Class 1 Div 1), and FCC approvals are required.
More Information on Spartan Intrinsically Safe Noise Dosimeter
// 06 2020
The original Larson Davis Human Vibration Meter Model HVM100 is being discontinued as of June 30, 2020. Larson Davis will continue to support legacy HVM100 units in the field. We are also offering upgrade opportunities to migrate to the
Human Vibration Meter Model HVM200 which offers connectivity and control via the LD Atlas mobile app. Contact the LD team for more information.
More information on HVM200
// 03 2022
Larson Davis has released the new AMC493C artificial mastoid is a precision mechanical coupler used to calibrate bone conduction hearing aids and audiometer bone vibrators.
More Information on AMC493C
No updates at this time.
// 05 2022
Larson Davis has released optional Room Acoustics firmware for SoundAdvisor Model 831C, offering tools to evaluate reverberation time in compliance with the latest measurement standards for measurement of room acoustics, including ISO 3382-1, ISO 3382-2 and ASTM E2235-04. Results can be viewed on mobile devices with the LD Atlas app or in free G4 Utility software.