The best sound level meter

The Best Sound Level Meter

SV 971A Compact and Versatile Class 1 Sound Level Meter. Accuracy and full compliance with IEC 61672.

Easy in Use

Simple UI and Mobile Apps

Small Size

Only 225 grams (8.20 oz)

Class 1 Accuracy

ANSI/ASA S1.4 & IEC 61672

What is a Class 1 Sound Level Meter?

Discover the standards behind professional noise measurement. See how aClass 1 sound level meter meets IEC 61672 accuracy requirementsand why it’s essential for precise, compliant measurements.

Watch the video to learn more about Class 1 sound level meters.

Up to 24 hours operating time

Self-vibration Detection

Class 1 Accuracy

Auto Calibration System
automatic calibration sequence

Frequency analysis
1/1 or 1/3 Octave Analysis

We have the solution for you

Our meter will work well wherever precise sound measurement is important. Whether you operate in a large company, work individually, or simply want to better understand your environment.

Industry and manufacturing

Control of machine noise, compliance with health and safety standards.

Construction and infrastructure

Document sound levels in road, urban and construction projects.

Education and public institutions

Measuring acoustics in classrooms, conference rooms and libraries.

Environmental protection

Noise monitoring in parks, quiet zones, events and field studies.

Researchers, consultants, enthusiasts

Ideal for those conducting analysis, tests, audits or educational projects.

Configure your sound level meter for any application

Ensure full compliance and accurate results by requesting the optimal setup for your measurement needs. Whether it's ISO, OSHA, MSHA, ACGIH, DIN, or other standards. We will match your application with the right configuration.