Model 831

The Model 831 SLM is the most recent of the Larson Davis SLM products. Advances in the Technology provide a massive 250MB of Memory, with superior Performance and a Reliable design. The inclusion of Weather Parameters increase the external environmental noise measurement capabilities. The Model 831 also includes the easy-to-use personal Health and Safety measurement features of other advanced SLM products



bullet Environmental Noise Measurement
bullet Work Place Noise Safety Measurements
bullet Industrial and Work Place Hygiene Inspection
bullet Research Measurement


bullet Simple 'One-hand' Operation
bullet > 8 Hours Runtime on 4 AA Batteries
bullet USB 2.0 Peripheral Connectors
bullet AUX Connector for Mass Storage, Cellular and Dialup Modems for Remote Operation
bullet 120dB Dynamic Range
bullet 250 MB Memory, 2 GB (Optional) Memory
bullet RMS & Peak A, C & Z Frequency Weighting
bullet RMS Slow, Fast & Impulse Detection Characteristics
bullet Real Time 1/1 & 1/3 Octave Frequency Analysis
bullet Sound & Voice Recording
bullet Automatic Data Logging (20ms to 24 hours)
bullet 2-Channel Dosimeter Function


Model 831 Data Sheet



Model 831 Support Page


Instrument Software

Model 831 Instrument Software


PC Software

SLM Utility-G3 Ver. 1.3.11

SLMScreenGrabber Software

DNA Software


(c) 2007 PCB Group, Inc.