Larson Davis Product and Support Announcements

Key Updates on New Releases and Upgrades

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 or at 1.716.684.0001.

Software | Environmental Noise | Industrial Hygiene | Audiometer Calibration | Product Testing | Building Acoustics



• LD G4 Utility Update - V4.6.5

//  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.


• LD G4 Utility Update - V4.6.2

//  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.


• LD G4 Utility Update - V4.6.0

//  03 2021

Free software upgrade includes support of FFT Analysis firmware for SoundAdvisors Sound Level Meter Model 831C.


• LD G4 Utility Update - V4.5.0

//  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.




• Scheduling Firmware - 831C-SCH

//  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



• Intrinsically Safe Spartan Noise Dosimeter Released

//  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

• HVM100 Discontinued

//  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 opportunites 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



No updates at this time.



No updates at this time.



No updates at this time.