Sound Level Meters

Sound level meters deliver precise area noise measurements for surveys, mapping, and engineering assessments. Choose Class 1 for the highest accuracy or Class 2 for general program needs. Capture Leq, Lmax, Lmin, and Ln statistics, and add real-time octave or third-octave band analysis to diagnose sources and evaluate controls. Time history logging and robust data exports support defensible records. With Bluetooth connectivity and TSI Link Solutions, you can standardize methods, accelerate reporting, and share results quickly with stakeholders.

Products

Quest Sound Examiner Sound Level Meters SE-400 Series

Quest™ Sound Examiner SE-400 Sound Level Meters come in a variety of models to meet your...

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Quest SoundPro Sound Level Meters SE-DL Series

Quest™ SoundPro™ SE-DL Series Sound Level Meters come in a variety of models to meet...

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Quest Sound Detector SD-200

The Quest™ Sound Detector SD-200 is a compact, lightweight sound level meter designed for...

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Casella 620 Series Sound Level Meters

Casella 620 Series: time history logging and optional octave bands for deeper noise surveys.

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Casella 630 Series Sound Level Meters

Casella 630 Series: advanced Class 1 meters with real-time frequency analysis and rich logging.

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Casella 240 Series Sound Level Meters

Casella 240 Series: simple, robust Class 2 meters for everyday noise surveys and spot checks.

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Accurate area measurements are the foundation of effective noise mapping and engineering controls. Our sound level meters are built for precision, speed, and clarity — helping you assess environments, diagnose sources, and document results with confidence.

Measurement Performance

  • Class 1 and Class 2 models aligned to IEC 61672 performance requirements
  • Core metrics: Leq, Lmax, Lmin, LCpeak, and statistical parameters (Ln)
  • Frequency analysis: real-time octave or third-octave bands on select models
  • Time history logging: adjustable intervals provide rich datasets for trend analysis

Workflow Efficiency

  • Guided setup and calibration routines promote consistent results
  • Preset profiles for common surveys reduce configuration time
  • Backlit displays and ergonomic designs support long field days
  • Robust storage and quick export options simplify documentation

Diagnostics and Controls Evaluation

  • Identify dominant frequencies to target controls effectively
  • Compare before-and-after states to quantify control performance
  • Use time history to link noise events to specific tasks or equipment cycles
  • Create clear visualizations and summary reports for stakeholders

Applications

  • General area surveys for hearing conservation programs
  • Engineering studies to support enclosure, damping, and isolation strategies
  • Construction site assessments and boundary monitoring
  • Community noise checks and facility walkthroughs

Connected Reporting

  • Use Bluetooth and TSI Link Solutions to streamline data collection and reporting
  • Apply standardized templates to promote consistency across teams
  • Share results quickly with operations, engineering, and leadership
  • Maintain a centralized record for audits and program reviews

Selecting a Model

  • Choose Class 1 for the highest accuracy and advanced analysis needs
  • Choose Class 2 for routine surveys and program compliance checks
  • Add octave/third-octave analysis for diagnostics and control design
  • Consider battery life, memory, and environmental conditions based on your sites

Build a reliable measurement approach with instruments designed to deliver trustworthy data and clear insights — so you can focus on prioritizing actions that reduce risk and improve outcomes across your facilities.


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