SoundExpert® – Noise Environmental Kit

The Larson Davis SoundExpert® 821 Environmental Kit is a comprehensive solution designed for precise environmental acoustic monitoring. It combines the advanced capabilities of the SoundExpert Model 821ENV sound level meter...

Key Product Features

Model: 821ENV

Weatherproof, Lightweight, Compact Case

Flexible Powering Options

1/1 and 1/3 Octave Filters

14 to 140 dB Dynamic Range

Low Power for Weeks

Class 1 Sound Level Meter

Colour, Touch Screen Display

Included G4 LD Utility software

G4 Utility & Reporting Software

Connect, control, download, and view data from multiple devices simultaneously. Organise files and meters by project. View your data graphically and in spreadsheet format, generate reports, and easily export in Excel® format for further data analysis. Examine graphs of multiple parameters and heat maps of octave band data.

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Atlas App

Control your instrument locally via our Atlas TM app. Available for iOS and Android Users

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Cloud-Based Solutions

The Sonitus Cloud is an online reporting platform which allows customers to automate environmental compliance checks. Sonitus Systems and Larson Davis systems are compatible with our option EM20 series remote logger.

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Portable and Permanent Sound Level Meter-Based Solutions

821ENV is a Class 1 sound level meter featuring a large, responsive touch display for intuitive operation. It offers A, C, and Z frequency weightings, as well as Fast, Slow, and Impulse time weightings, ensuring comprehensive noise measurement capabilities.

Unrivalled Battery Life for Long-Term Monitoring

When it comes to remote and long-term noise monitoring, the Larson Davis 821 sound level meter is designed for superior performance. It boasts an exceptional 2-day internal battery life, which is seamlessly extended by an additional 2 weeks of power from a built-in battery within the case.

This advanced Lithium-ion battery is specifically optimised for outdoor use, ensuring reliability in challenging environments. For added convenience, the integrated Bluetooth app allows you to remotely monitor battery levels and key data, making this sound meter the ideal choice for any long-duration project.

G4 Utility & Reporting Software

Extremely Lightweight

Designed for ultimate convenience and ease of use. Its lightweight and portable design means you can effortlessly carry it to any location, whether you're monitoring noise levels on a bustling construction site, a quiet residential area, or a remote outdoor environment.

This portability ensures you're not limited by bulky equipment, allowing for quick setup and efficient data collection wherever you need it.

Off Grid Power Solutions