AcSoft
Svantek UK

SVAN 977C Sound and Vibration Analyser

The SVAN 977C is a Class 1 Sound and Vibration meter designed for occupational and environmental measurement applications.

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The meter is a successor of SVAN 977A offering new 1/2” microphone MK255 providing designed for acoustical measurements in research and development and also for industrial use. lt is designed and very carefully constructed to ensure excellent long-time stability of the electroacoustical parameters.

The built-in Bluetooth® interface together with smart-phone applications like Building Acoustics App and SvanMobile, extends measurement capabilities with all the features offered by smartphones including text/voice comments, photo, video, GPS position etc.

The SVAN 977C kit consists of SVAN   977C Class 1 sound & vibration level meter with a detachable preamplifier SV 12L and high quality MK255 microphone. Each SVAN    977C has its factory calibration certificate and 36 months warranty card.

SVAN 977C Technical Specifications

Sound Level Meter & Analyser

Standards Class 1: IEC 61672-1:2013; Class 1: IEC 61260-1:2014
Weighting Filters A, B, C, Z, LF, U, AU
Time Constants Slow, Fast, Impulse
Microphone Microtech Gefell MK 255, 50 mV/Pa, prepolarised 1/2” condenser microphone
Preamplifier SV 12L detachable (TNC)
Linear Operating Range 23 dBA RMS ÷ 140 dBA Peak (in accordance to IEC 61672)
Total Dynamic Measurement Range 16 dBA RMS ÷ 140 dBA Peak (typical from noise floor to the maximum level)
Internal Noise Level Less than 16 dBA RMS
Dynamic Range >110 dB
Frequency Range 3 Hz ÷ 20 kHz with Microtech Gefell MK 255
Meter Mode Results Elapsed time, Lxy, Leqx (LEQ), Lxpeak (PEAK), Lxymax (MAX), Lxymin (MIN),
LR (ROLLING LEQ), Ovl (OVERLOAD), Lxye (SEL), LN (LEQ STATISTICS), Lden, LEPd, Ltm3, Ltm5
Measurement Profiles Simultaneous measurement in three profiles with independent set of filters (x) and detectors (y)
Analyser1 (optional) 1/1 octave or optional 1/3 octave real-time analysis, up to 40.0 kHz band meeting Class 1: IEC 61260-1
FFT analysis 1600 lines, up to 40.0 kHz band (optional)
RPM rotation speed measurement parallel to the vibration measurement (optional)
RT60 reverberation time measurement (optional)
Statistics Ln
(L1-L99), complete histogram in meter mode and 1/1 or 1/3 octave analysis
Data Logger Time-history logging of summary results, spectra with adjustable double logging steps down to 2 ms
Audio Recording1 (optional) Audio records to time-history data or WAV format with selectable band and recording period

Vibration Level Meter & Analyser

Standards ISO 20816-1
Meter Mode RMS, Max, Peak, Peak-Peak
Simultaneous measurement in three profiles with independent filter sets and detectors
Filters HP1, HP3, HP10, Vel1, Vel3, Vel10, VelMF, Dil1, Dil3, Dil10, Wh
Accelerometer SV 80 (100 mV/g) or any IEPE accelerometer (optional)
Analyser (optional) 1/1 octave or optional 1/3 octave real-time analysis, up to 40.0 kHz band meeting Class 1: IEC 61260-1
FFT analysis 1600 lines, up to 40.0 kHz band (optional)
RPM rotation speed measurement parallel to the vibration measurement (optional)
Data Logger Time-history logging of summary results, spectra with two adjustable logging steps
Time-domain Signal Recording Continuous or triggered time-domain signal recording to WAV format (optional)

General information

Input IEPE with TNC connector
Memory MicroSD card 16 GB (removable & upgradeable)
Display Super contrast (10000:1) OLED 2.4” colour display (320 x 240 pixels)
Interfaces USB 2.0 Client, Bluetooth®, RS 232 (with optional SV 55)
External I/O – AC output (1 V Peak) or Digital Input/Output (Trigger – Pulse)
Power Supply Four AA batteries operation time > 12 h (6 V / 2 Ah)2
Four rechargeable AA batteries operation time > 16 h (4.8 V / 2.6 Ah)2 (not included)
External power supply 6 V/500 mA DC ÷ 15 V/250 mA DC
USB interface 500 mA HUB
Environmental Conditions Temperature from -10 °C to 50 °C
Humidity up to 90 % RH, non-condensed
Dimensions 343 x 79 x 39 mm (with microphone and preamplifier)
Weight Approx. 0.6 kg with batteries

The policy of our company is to continually innovate and develop our products.
Therefore, we reserve the right to change the specifications without prior notice.

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Applications

SVAN 977

Ultrasound is used in a number of processes such as cleaning, drilling or welding. Ultrasound measurement up to 40 kHz

Discover the full potential of our free Building Acoustics Assistant app. The app guides the user through the sound insulation measurement procedure in accordance with ISO 16283.
https://www.youtube.com/watch?v=wKoSDini2rU