Model 831 Type 1 SLM

The Model 831 is Larson Davis’ most recent sound level meter platform. Advances in technology provide up to 2GB of internal memory, with superior performance and a reliable design. Various firmware modules expand the functionality of Model 831 for a variety of Environmental Noise and Architectural Acoustics measurements. The Model 831 also includes the easy-to-use personal health and safety measurement features of other advanced SLM products.

Application

• Environmental Noise Measurements
• Work Place Noise Safety Measurements
• Industrial and Work Place Hygiene Inspection
• Architectural Acoustics
• Product Noise Studies
• Machinery Troubleshooting
• Product Development
• Tone Detection

Features

• Simple 'One-hand' Operation
• >16 Hours Runtime on 4 AA Batteries
• USB 2.0 Peripheral Connectors
• 120dB Dynamic Range
• 2 GB Internal Memory
• RMS & Peak A, C & Z Frequency Weighting
• RMS Slow, Fast & Impulse Detection
• Real Time 1/1 & 1/3 Octave Frequency Analysis (optional)
• Sound & Voice Recording in .wav format (optional)
• Automatic Data Logging (20ms to 24 hours)
• Reverberation Time Calculations to ISO 3382-2 and ASTM E2235
• Real-time FFT analysis with up to 6400 lines of resolution