Description
Information
The Model 831 is a fifth-generation Larson Davis sound level meter, designed for simple, singlehanded operation, yet is fully featured, smart and versatile with an ever-expanding firmware platform. The design of the Model 831 was based on countless inputs from customers. It expands upon the Larson Davis tradition of delivering value, innovation and function in a rugged, single-handed, expandable package and is backed by a 2-year factory warranty, 24-hour application support and accredited factory service/calibration.
Specification
- IEC 61672-1:2013, ANSI S1.4-2014 Class 1 integrating sound level meter
- Voice Annotation
- ANY LEVEL Display
- User-programmable run modes
- Six user-selectable statistics (Ln)
- Threshold exceedance data
- Community noise calculations (Lden, CNEL)
- GPS support
- Back erase functionality
- Normalized spectrum
- User-selectable screen layout and lockable set-up protection
- Remote access and field upgradable
- Wide variety of non-proprietary powering options including – 4xAA internal batteries, AC, USB and external batteries
