Svantek » Products » Class 1 Sound and Vibration Level Meter SVAN 979

Class 1 Sound & Vibration Analyser SVAN 979

SVAN 979 is a precision Class 1 sound level meter, compliant with BS EN 61672-1 and designed for demanding acoustic and vibration measurements. It offers real-time frequency analysis, including 1/1 and 1/3 octave bands, FFT, and infrasound from 3.15 Hz using a G-weighting filter. A wide dynamic range starting at 12 dBA and a reference-grade GRAS microphone ensure reliable results in low-level noise and building acoustics. With functions such as RT60, STIPA, and 48 kHz WAV recording, the instrument supports sound insulation, speech intelligibility, and environmental testing. Compatibility with mobile apps and SvanPC++ software streamlines field operation and reporting.

High-End Sound Level Meter

SVAN 979 delivers Class 1 precision with an extended range from 12 dBA and 3.15 Hz, ideal for demanding acoustic applications. Its real-time frequency analysis, GRAS reference microphone, and low noise floor ensure exceptional accuracy and repeatability. Recognised as a reference instrument by calibration and measurement laboratories, it meets the highest standards for environmental noise, building acoustics, and infrasound.

Features

Wide Dynamic Range

From 12 dBA to 140 dB Peak

SVAN 979 captures both very low and very high sound levels with precision, making it ideal for sensitive environments and high-noise areas alike.

Real-Time Frequency Analysis

1/1, 1/3 octave and FFT up to 20 kHz

Delivers detailed spectral insights for environmental, industrial, and building acoustics applications – all processed in real time.

Low-Frequency Capability

Infrasound from 3.15 Hz with G-weighting

Supports wind farm and industrial measurements where low-frequency noise needs accurate assessment under standardised conditions.

Reference-Grade Accuracy

GRAS microphone and calibration-grade stability

Used by calibration laboratories as a reference device thanks to its low noise floor, stability, and traceable accuracy.

WAV Audio Recording

Up to 48 kHz, 24-bit resolution

Captures time-domain signals for post-analysis, noise source identification, or legal documentation.

Wide Dynamic Range

From 12 dBA to 140 dB Peak

Real-Time Frequency Analysis

1/1, 1/3 octave and FFT up to 20 kHz

Low-Frequency Capability

Infrasound from 3.15 Hz with G-weighting

Reference-Grade Accuracy

GRAS microphone and calibration-grade stability

WAV Audio Recording

Up to 48 kHz, 24-bit resolution

Applications

Sound Measurements

Compliance-ready acoustic analysis for UK regulations

SVAN 979 supports environmental noise monitoring in line with BS4142 and BS5228, ensuring precise measurement of ambient levels near residential areas and construction sites. It also enables workplace noise assessments under the Control of Noise at Work Regulations 2005, helping protect employee hearing with certified Class 1 accuracy.

Building Acoustics

High-precision testing with remote control capability

SVAN 979 excels in sound insulation and RT60 measurements, offering millisecond spectral logging and predefined test setups for multi-point assessments. Integrated app control enables remote operation of both meter and sound source, streamlining professional building acoustic surveys.

Sound Measurements

Compliance-ready acoustic analysis for UK regulations

Building Acoustics

High-precision testing with remote control capability

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Specifications

Class 1 Sound and Vibration Level Meter SVAN 979

Applications

Sound measurements

Environmental noise

Occupational noise

Building acoustics

Machine vibration

Hardware Features

Number of channels

Auto-calibration

Remote communication

Bluetooth

Communication Interfaces

USB, I/O, RS232, Bluetooth

Display

Keyboard

9 keys

Memory

uSD 32 GB

Battery type

Operating time

8-12 hours

Operating temperature range

-10 °C to 50 °C

Humidity range

up to 90 % RH, non-condensed

Weight

600 grams

Size

310 x 79 x 39 mm

Sound measurements features

Standards

Class 1: IEC 61672-1:2013, Class 1: IEC 61260-1:2014

Type approvals

Pattern approval to IEC 61672

Microphone type

G.R.A.S. 40AE

Preamplifier type

SV 17

Linear operating range to IEC 61672

22 dBA Leq÷140 dBA Peak

Total measurement range

12 dBA Leq÷140 dBA Peak

Internal noise

<12 dBA Leq

Frequency range

3.15 Hz ÷ 20 kHz

Weighting filters

A, B, C, Z, G

Time constants

Slow, Fast, Impulse

Profiles per channel

Min logging step

2 ms

Statistics

Ln (L1-L99)

Statistics in octaves or third octaves

Audio recording

1/1 octave

1/3 octave

1/6 octave

option

1/12 octave

option

FFT

RT60

STIPA

option

Signal generator

Tonality

option

RPM

option

User programmable filters

option

Vibration measurement features

Standards

ISO20816

Number of channels

Sensor type

IEPE

Input type

IEPE

1/1 octave

1/3 octave

WAV recording

FFT

RPM

option