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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For more information on SVAN 977C Sound and Vibration Analyser or to request a quote, contact our team now:
Request a QuoteContact usThe 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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