SoundExpert is also available in a Class 2 version, SoundExpert Model 721ENV. Please see Configurations below or download the datasheet for more details.
Highlights
- Large, responsive touch display
- Long battery life – up to 40 hours
- Automatic data download via Bluetooth or USB options
- Flexible powering options, including wireless charging
- Languages supported: English, Français, Italiano, Português, Español
Applications
- Environmental noise
- City noise
- Environmental impact studies
- Construction noise
- Monitoring noisy venues
Noise Monitoring at Your Fingertips
The SoundExpert Model 821ENV in its basic form includes the essentials for measuring noise by providing:
- A, C, and Z frequency weightings
- F, S, and I time weightings
- Full-featured data logging
Using the included G4 LD Utility software, data can be downloaded, visualized, manipulated, and exported to a variety of formats, including Microsoft Excel® .xlsx.
For more advanced applications, options such as 1/1 or 1/3 octave filters for frequency analysis are available. When protection and extra power are needed for unattended outdoor noise measurements, choose from a variety of protective cases with batteries, solar power, and grid/mains power capabilities. SoundExpert Noise Monitoring System Model NMS048 is available as a
complete outdoor noise monitoring kit.
The SoundExpert Sound Level Meter Model 821ENV, together with Larson Davis quality and customer support, delivers a professional solution you can trust.
Key Specifications for SoundExpert Model 821ENV
Dynamic Range (A-weighted typical): 17 to 140 dB
Time Weightings: Fast, Slow, & Impulse
Frequency Weightings: A, C, & Z
Data Storage (micro SD card): 8 GB standard Up to 256 GB
Data Logging:
Time history: 100 ms to 1 h
Measurement History: 1 min to 6 h
Metrics: Leq, Lmax, Lmin, Lpeak, Ln (6 values), LDN, LDEN
