SVAN 979 Sound and Vibration Analyser
The SVAN 979 is a class 1 type approved sound level meter and analyser with the superior technical specifications. Its measuring range starts from as low as 12 dBA!
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Request a QuoteContact usSVAN 979 is a device combining all necessary measurement functionalities in one hand-held tool. The instrument is dedicated for acoustic engineering applications such as sound insulation measurements, precise frequency or signal tonality analysis. In standard, this sophisticated tool has been equipped with frequency analysis in 1/1 & 1/3 octave bands, FFT analysis and audio recording for noise source recognition.
Basic kit also includes building acoustic pack: RT 60 measurement and signal generator functions.
New generation sound level meters
SVAN 979 Sound Level Meter Specification
| Standards | Class 1: IEC 61672-1:2013 (PTB approval 21.21/13.06) |
| Number of Profiles | 3 |
| Weighting Filters | A, B, C, Z, G |
| Time constants | Slow, Fast, Impulse |
| RMS Detector | Digital True RMS detector with Peak detection, resolution 0.1 dB |
| Microphone | GRAS 40AE, 50 mV/Pa, prepolarised 1/2” condenser microphone |
| Preamplifier | SV 17 IEPE type / 200V external polaristation compatible |
| Linear Operating Range | 22 dBA RMS ÷ 140 dBA Peak (in accordance to IEC 61672) |
| Total Dynamic Measurement Range | 12 dBA RMS ÷ 140 dBA Peak (typical from noise floor to the maximum level) |
| Internal Noise Level | less than 12 dBA RMS |
| Dynamic Range | >110 dB |
| Frequency Range | 3.15 Hz ÷ 20 kHz with GRAS 40AE microphone |
| Meter Mode Results | SPL, Leq, SEL, Lden, LEPd, Overload time, Ltm3, Ltm5, LMax, LMin, LPeak, Simultaneous measurement in three profiles with independent filters and detectors |
| Statistics | Ln (L1-L99), complete histogram in meter mode, averaging: linear of with detector (exponential) Ln (L1-L99) statistics in 1/1 or 1/3 octaves (if option is active) |
| Data Logger | logging of summary results with step from 10 s (auto-save function) logging of time history with step from 2 ms |
| Audio Recording (option) | Audio events recording during measurement, trigger or continuous mode, 12 / 24 / 48 kHz sampling rate, 16 or 24 bit, wav format |
| Wave Recording (option) | Time domain signal recording during measurement 12 / 24 / 48 kHz sampling rate, 16 or 24 bit, wav format |
Sound Analyser | |
| 1/1 Octave Analysis (included) | Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 31.5 Hz to 16 kHz (audio band), selectable weighting filter, selectable detector or Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 1 Hz to 16 kHz (full band), selectable weighting filter, detector linear |
| 1/3 Octave Analysis (inlcuded) | Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 20 Hz to 20 kHz (audio band), selectable weighting filter and selectable detector or Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 0.8 Hz to 20 kHz (full band), selectable weighting filter, linear detector |
| 1/6 Octave Analysis (option) | Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 20 Hz to 21.4 kHz (audio band), selectable weighting filter and selectable detector or Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 0.73 Hz to 21.4 kHz (full band), selectable weighting filter, linear detector |
| 1/12 Octave Analysis (option) | Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 20.3 Hz to 22 kHz (audio band), selectable weighting filter and selectable detector or Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 0.71 Hz to 22 kHz (full band), selectable weighting filter, linear detector |
| FFT Analysis (included) | 400 or 800 or 1600 lines in selectable band from 78 Hz to 20 kHz with selectable weighting filter, selectable averaging: linear or exponential, and selectable window |
| Tonality (option) | Pure tone detection, FFT -based, according to Joint Nordic Method and ISO 1996 |
| RT 60 (included) | Reverberation time analysis in 1/3 octaves, selectable method: decay or impulse |
| Signal Generator (included) | Sine, White noise, Pink noise |
| RPM (option) | Rotation measurement option without Laser Tachometer (option), measurement of RPM, RPS, RMAX, RMIN |
| User filters (option) | Selectable real time filter: low pass, high pass and band pass filters option |
Vibration Level Meter | |
| Standards | ISO 10816-1 |
| Number of Profiles | 3 |
| Weighting Filters | Acceleration: HP1, HP3, HP10, Wh; Velocity: Vel1, Vel3, Vel10, Displacement: Dil1, Dil3, Dil10 Machine filter: VelMF (ISO 10816-1) |
| RMS Detector | Digital True RMS detector with Peak detection, resolution 0.1 dB Time constants: from 100 ms to 10 s |
| Meter mode results | RMS, MAX, Peak, Peak-Peak, Overload time, MTVV, |
| Accelerometer (option) | SV 80 IEPE, single axis, sensitivity 10 mV/(ms-2) ~ 100 mV/g |
| Measurement Range | 0.01 ms–2 RMS ÷ 500 ms-2 Peak (with SV 80) |
| Frequency Range | 1 Hz ÷ 5 kHz (with SV 80 and HP or HP1 filter) |
Vibration Analyser | |
| 1/1 Octave Analysis (included) | Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 1 Hz to 16 kHz (full band), HP weighting filter, detector linear |
| 1/3 Octave Analysis (inlcuded) | Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 0.8 Hz to 20 kHz (full band), HP weighting filter, detector linear |
| 1/6 Octave Analysis (option) | Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 0.73 Hz to 21.4 kHz (full band), HP weighting filter, detector linear |
| 1/12 Octave Analysis (option) | Real-time analysis meeting Class 1 requirements of IEC 61260, centre frequencies from 0.71 Hz to 22 kHz (full band), HP weighting filter, detector linear |
| FFT Analysis (included) | 400 or 800 or 1600 lines in selectable band from 78 Hz to 20 kHz with selectable weighting filter, selectable averaging: linear or exponential, and selectable window |
| RPM (option) | Rotation measurement option without Laser Tachometer (option), measurement of RPM, RPS, RMAX, RMIN |
| User filters (option) | Selectable real time filter: low pass, high pass and band pass filters option |
General information | |
| Input | LEMO 7-pin: Direct AC, Direct AC with 200 V polarisation, Direct DC or IEPE type with TEDS |
| Self-vibration Monitoring | Built-in shock detection |
| Dynamic Range | 115 dB |
| Frequency Range | 0.5 Hz ÷ 22.4 kHz, sampling rate 48 kHz 0.5 Hz ÷ 40 kHz, sampling rate 96 kHz (ultrasound version) |
| Memory | 32 MB non-volatile flash type, micro SD card 8 GB (removable & upgradeable) |
| Display | Colour 320 x 240 pixels, OLED type |
| Keyboard | 9 push buttons |
| Communication Interfaces | USB 1.1 client |
| Bluetooth® | |
| RS 232 (with SV 55 option) | |
| GPS time synchronisation and positioning (option) | |
| External I/O – AC output (1 V Peak) or Digital Input/Output (Trigger – Pulse) | |
| Power supply | Four AA rechargeable NiMH batteries (included) |
| USB interface 500 mA HUB | |
| External power supply 6 V/500 mA DC ÷ 15 V/250 mA DC | |
| SA 17A external battery pack (option) | |
| Environmental Conditions | Temperature from -10 oC to 50 oC |
| Humidity up to 90% RH, non-condensed | |
| Dimensions | 305 mm x 79 x 39 mm (including microphone and preamplifier) |
| Weight | Approx. 0.6 kg with batteries |
*Continuous product development and innovation are the policy of our company. Therefore, we reserve the right to change the specifications without prior notice.
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