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Svantek · SVAN 977 / SV 977D · Handheld sound level meter

Svantek SVAN 977

Discontinued

Class 1 sound and vibration analyser sold from around 2012 in SVAN 977, 977A and 977W (WELMEC) revisions, with a colour OLED display, microSD storage, 1/1 and 1/3-octave filters, optional FFT, RT60 and wave recording, and an SV 7052E microphone on an SV 12L preamplifier. Replaced by the SV 977D. Firmware 1.34 is the last version documented in the Rev. 5.00 manual.

Specifications verified on .

Type
Handheld sound level meter
Class
Class 1
Channels
1
Octave bands
1/1 and 1/3
Connectivity
USB 1.1, RS-232 via SV 55, I/O (3.5 mm), Bluetooth 2.0+EDR, 3G modem option (SV 277 PRO)
Battery life
12 h
Compare with other instrumentsAll handheld sound level meters

Specifications

As published by Svantek. Fields the manufacturer does not publish are omitted rather than estimated.

Standards and class — Svantek SVAN 977
SpecificationValue
IEC 61672-1 classClass 1
StandardsIEC 61672-1:2013 class 1, IEC 61260-1:2014 class 1, ISO 8041-1:2017 (vibration), ISO 20816-1:2016, ISO 3382 (RT60)
Measurement — Svantek SVAN 977
SpecificationValue
Channels1
Measurement rangelow range 25 dB(A) RMS to 123 dB peak; high range 35 dB(A) RMS to 140 dB peak
Peak rangeup to 140 dB peak (high range)
Frequency range20 Hz to 20 kHz with SV 7052E microphone
Frequency weightingsA, B, C, Z, U
Time weightingsF, S, I
Simultaneous weightingsYes
ParametersPeak, Max, Min, SPL, Leq, SEL, Lden, LEPd, Ltm3, LTeq, ten Ln statistics, rolling Leq, NC and NR indices
Analysis — Svantek SVAN 977
SpecificationValue
Octave bands1/1 and 1/3
Octave band filter classclass 1 (IEC 61260-1:2014); 1/3 octave option SV 977_2
FFToption SV 977_4 (line count not stated in manual excerpt)
Reverberation timeYes
Building acousticsYes
Audio recordingYes
Logging and data — Svantek SVAN 977
SpecificationValue
MemorymicroSD (16 GB card supplied)
Hardware — Svantek SVAN 977
SpecificationValue
Microphone1/2" SV 7052E prepolarised, 35 mV/Pa, with SV 12L IEPE preamplifier
Detachable preamplifierYes
Outdoor microphone kitSV 277 PRO outdoor configuration
DisplayColour OLED, 320 x 240
Battery4 x AA alkaline or NiMH; 7 to 16 V DC; SA 17A external pack option
Battery life12 h
Connectivity and software — Svantek SVAN 977
SpecificationValue
ConnectivityUSB 1.1, RS-232 via SV 55, I/O (3.5 mm), Bluetooth 2.0+EDR, 3G modem option (SV 277 PRO)
Remote controlSvanMOBILE app (Android); SvanNET or SvanPC++_RC with modem
SoftwareSvanPC++, SvanPC++_RC, BA Assistant app
Latest firmware1.34.x (manual Rev. 5.00, 5 March 2020)

Variants

Variants of the Svantek SVAN 977 as the manufacturer names them
VariantDifference
SVAN 977original revision
SVAN 977Alater revision documented in the 2020 Rev. 5.00 manual
SVAN 977WWELMEC legal-metrology firmware variant

Where this data comes from

Manufacturer documents used for this record
KindDocumentAccessed
ManualSVAN 977A User Manual Rev. 5.00 (2020-03-05)
Product pageSV 977D product page (current successor, same URL slug)

Verified on . Only the manufacturer’s own published material is used; distributor pages are not sources.

Spec out of date? Tell us (reference svantek-svan-977).

Verified owner reviews

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Known issues and firmware notes

Hardware and firmware problems reported by owners, with the firmware version concerned and any manufacturer response.

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Feature requests

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