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The meter is the latest 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.
| Measurement Parameters | Ln, Leq |
|---|---|
| Weightings | A, C, Z |
| Application | Environmental Noise |
| Noise Features | 1/3 Octaves, 1/1 Octaves, Data Logging |
| Brand | Svantek |
| Available Outside the UK? | No |
The meter is the latest 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 977D consists of SVAN 977D Class 1 sound & vibration level meter with a detachable preamplifier SV 12L and high quality MK255 microphone. Each SVAN 977D has its factory calibration certificate and 36 months warranty card.
Only Available for sale In The UK
SOUND LEVEL METER / ANALYSER
| Standards | Class 1: IEC 61672-1:2013, IEC61260-1:2014 |
| 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 |
| 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) |
| 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 |
| Total Dynamic Measurement Range | 16 dBA RMS - 140 dBA Peak (typical from noise floor to the maximum level) |
| Linear Operating Range | 23 dBA RMS - 140 dBA Peak (in accordance to IEC 61672) |
| Internal Noise Level | less than 16 dBA RMS |
| Frequency Range | 3 Hz - 20 kHz (with Microtech Gefell MK 255) |
| Statistics | Ln (L1-L99), complete histogram in meter mode and 1/1 or 1/3 octave analysis |
| 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 set of filters and detectors |
| Analyser (Optional) | /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) |
| Filters | HP1, HP3, HP10, Vel1, Vel3, Vel10, VelMF, Dil1, Dil3, Dil10, Wh |
| Accelerometer (option) | SV 80 (100 mV/g) or any IEPE accelerometer (optional) |
BASIC DATA
| Input | IEPE type (TNC connector) |
| Datalogger1 | Time-history logging of summary results, spectra with adjustable double logging steps down to 2 ms |
| Display | Super contrast (10000:1) OLED 2.4” colour display (320 x 240 pixels) |
| Memory | MicroSD card 16 GB (removable & upgradeable) |
| 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 -10oC to 50oC 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 |
This piece of advanced software supports Svantek measuring instruments. Each Svantek device is is easy to use and a complete measuring systems because of the functionalities and extended capabilities in this advanced application. The software has been divided for several specialised modules by distinguishing application fields in order to give users the perfectly customised, powerful and sophisticated tool. The functions provided by the main module include measurement data downloading from instruments to PC, measurement setups creating, basic Leq/RMS recalculation, measurement results in text, tabular and graphical format, export data to spread sheets or text editor applications.
