Class 1 Sound and Vibration meter SVAN977A

Class 1 Sound and Vibration meter SVAN977A

Standards Class 1: IEC 61672-1:2013
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 start at 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, 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 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

Sound Analyser

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)

Vibration Analyser

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

General information

Input TNC (IEPE type)
Memory MicroSD card 8 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 340 mm x 79 x 39 mm (including microphone and preamplifier)
Weight  Approx. 0.6 kg with batteries

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