SVAN 977 Class 1 Sound & Vibration Level Meter and analyser is designed to meet the needs of both environmental monitoring and occupational health and safety monitoring specialists. Its exceptional hardware design also enables the measurement of ultra sound frequencies in the 40 kHz band.
The SVAN 977 provides broadband results with all the standard weighting filters and also offers an incredible time history logging capability providing broadband results and spectra with adjustable double (long and short) logging steps.
Audio recording can be performed simultaneously with time history logging as either a separate wave file or as audio events inside time history files. This solution enables noise source recognition and data post-processing. Manual and automatic triggering of audio recording is also available. Measurement results are recorded in three acoustic or vibration profiles enabling measurements to be performed with 3 different filters (e.g. A, C, Z) and 3 different detector time constants (e.g. Fast, Slow, Impulse).
Measurement data is stored on a µSD card and can be easily downloaded to a PC using SvanPC++ software over either USB or RS 232 interfaces.
The powerful DSP (digital signal processor) used in the SVAN 977 instrument can simultaneously operate in meter mode and perform real-time 1/1 or 1/3 octave analysis including statistical calculations. Additional functions like real-time FFT analysis and Rotation Speed Measurement are also available.
The highly developed user interface works on networks like GPRS, Ethernet or WLAN for both remote data download and settings configuration. The built-in Bluetooth™ interface together with smart-phone application, SvanMobile, extends measurement capabilities with all the features offered by smart-phones including text/voice comments, photo, video, GPS position etc.
The instrument is powered by four AA standard or rechargeable NiMH batteries (separate charger is required), from an external DC power source or USB interface. The robust and light weight design complete the exceptional features of this next generation instrument.
Supervisor is the PC software package dedicated for health and safety specialists. Software supports the whole family of Svantek instruments dedicated to health and safety market including the BIG TRIO: SVAN 971, SV 104 and SV 106.
Each instrument connected to the Supervisor is remembered enabling automatic creation of instruments' database containing important information such as uploaded settings and firmware version, calibration validity date or instrument clock time. Intuitive tools for data organization upon downloading provide folder-structured database as well as files tagging by locations, users or tasks capabilities. Downloaded data files are automatically categorized by measurement time and assigned to the instrument's serial number enabling fast & easy data browsing. In practice this means no more time-consuming data search through PC storage.
Supervisor software adjusts itself to the user’s requirements. In case of simple applications that require analysis of only main results such as LAeq, LAFmax or LCpeak, Supervisor offers quick previews and reporting without necessity of data files opening. More advanced applications are handled within sessions where user decides on the type of analysis to be performed.
Those who create noise or vibration reports on a daily basis will appreciate possibility of creating report templates, which once created can be applied to series of measurement files. Whenever necessary user can select data files and create personalized reports with couple of clicks.
SvanNET is a relay server supporting connection between PC and Svantek instruments in case of 3G communication. The SvanNET allows usage of all type of SIM cards with a 3G modem regardless if they have public or private IP. The connection over the SvanNET allows users to:
use a mobile phone or tablet to watch real time measurement results,
manually download files and reconfigure the station,
manually download files and reconfigure the station using SvanPC++_RC module,
use the SvanPC++_RC application based on MS Windows® for automatic control of the noise monitoring stations, data archiving, automatic web publication, etc.
SvanMOBILE is an Android application for devices running on Android platform extending functionalities of SVAN 977 / 979. SvanMOBILE allows to link measurement files from sound level meter to media files from smartphones such as photos, video or audio recordings. Anyone who makes measurements in the environment will appreciate the fact that SvanMobile can be used to automatically add weather data and GPS position to report on the measurement. To communicate with SVAN 977 / 979 the Bluetooth interface is used.
The SA 277 outdoor kit protects the SVAN 977 preamplifier and microphone from the weather conditions. The use of the outdoor kit requires the extension cable between the instrument and its preamplifier. The SA 277 is made of lightweight materials and is easy to install on a tripod. The solution is recommended in short term and semi-permanent noise measurements in the environment.
Data Sheet & Product Information
Specifications - Technical Information
Standards Class 1: IEC 61672-1:2002
Number of Profiles 3
Weighting Filters A, B, C, Z
Time constants Slow, Fast, Impulse
RMS Detector Digital True RMS detector with Peak detection, resolution 0.1 dB
Microphone ACO 7052E, 35 mV/Pa, prepolarised 1/2” condenser microphone
Calibration Automatic calibration @ 114dB/1kHz
Preamplifier SV 12L IEPE type
Linear Operating Range 25 dBA RMS ÷ 140 dBA Peak (in accordance to IEC 61672)
Total Dynamic Measurement Range 15 dBA RMS ÷ 140 dBA Peak (typical from noise floor to the maximum level)
Internal Noise Level less than 15 dBA RMS
Dynamic Range >110 dB
Frequency Range 10 Hz ÷ 20 kHz with ACO 7052E microphone or 10 Hz ÷ 40 kHz with optional microphone, e.g MK 202E
Meter Mode Results SPL, Leq, SEL, Lden, Ltm3, Ltm5, LMax, LMin, LPeak, “sliding Leq” up to 60 minutes
Simultaneous measurement in three profiles with independent set of filters and detectors
Statistics Ln (L1-L99), complete histogram in meter mode
Ln (L1-L99) statistics in 1/1 or 1/3 octaves (if option is active)
Data Logger ogging of summary results with step from 1s
logging of time history with step from 2ms
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
1/1 Octave Analysis (included) Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 31.5 Hz to 16 kHz (audio band) with selectable weighting filter and detector or
Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 1 Hz to 31.5 kHz (ultrasound band) with linear detector
1/3 Octave Analysis (option) Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 20 Hz to 20 kHz (audio band) with selectable weighting filter and detector or
Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 0.8 Hz to 40 kHz (ultrasound band) with linear detector
FFT Analysis (option) 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 or
400 or 800 or 1600 lines in ultrasound band from 25 Hz to 40 kHz with selectable averaging: linear or exponential, and selectable window
RT 60 (option) Reverberation time analysis in 1/1 octaves, selectable method: decay or impulse, or
Reverberation time analysis in 1/3 octaves, selectable method: decay or impulse
Vibration Level Meter and Analyser
Standards ISO 10816-1
Number of Profiles 3
Weighting Filters Acceleration: HP1, HP3, HP10; 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
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)
1/1 Octave Analysis (included) Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 1 Hz to 16 kHz (full band) with selectable weighting filter and detector or
Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 1 Hz to 31.5 kHz (ultra band) with linear detector
1/3 Octave Analysis (option)
Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 0.8 Hz to 20 kHz (full band) with selectable weighting filter and detector or
Real-time analysis meeting Class 1 requirements of IEC 61260, center frequencies from 0.8 Hz to 40 kHz (ultra band) with linear detector
FFT Analysis (option) 400 or 800 or 1600 lines in selectable band from 78 Hz to 40 kHz with HP 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
Input TNC (IEPE type)
Memory MicroSD card 4 GB (removable & upgradeable)
Display Colour 320 x 240 pixels, OLED type
Keyboard 9 push buttons
Communication Interfaces USB 2.0 client
Bluetooth (option), RS 232 (with SV 55 option)
External I/O - AC output (1 V Peak) or Digital Input/Output (Trigger – Pulse)
Power supply Four AA alkaline or rechargeable NiMH batteries (not 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