SVAN 959

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Acoustic Calibrator
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SVAN 959

Sound & Vibration Meter & Analyzer, Type 1

OVERVIEW

The SVAN 959 is all digital, Type 1 sound & vibration (option) level meter along with analyser. Instrument is intended to general acoustic and vibration measurements, environmental monitoring, occupational health and safety monitoring.

Three acoustic or vibration (option) profiles allow parallel measurements with independently defined filters and RMS detector time constants. Each profile provides significant number of results (like for sound Leq, LMax, LMin, LPeak, Spl, SEL or RMS, PEAK, VDV, MTVV in case of
vibration measurements). Advanced time history logging for each profile provides complete information about measured signal in non-volatile 32 MB internal memory or external USB Memory Stick and can be easy downloaded to any PC using USB interface and SvanPC+
software.

All required weighting filters (e.g.: A, C, Wk, Wc, Wh) including the latest ISO 2631-1&2 standard are available with this instrument. RMQ detector enables direct measurement of the Vibration Dose Value (VDV). Using computational power of its digital signal processor the SVAN 959 instrument can, simultaneously to the meter mode, perform real time 1/1 or 1/3 octave analysis including statistical calculations and FFT analysis. Following functions are also available as an option: acoustic loudness measurements, tonality measurements, reverberation time measurements and user programmable second order band pass filters. The time history logging of 1/1 octave, 1/3 octave and FFT analysis is provided. The time domain signal recording on the external USB memory stick is also available as an option.  Built-in sophisticated signal generator (option) enables to perform advanced measurement techniques like MLS, TDS etc.

Fast USB 1.1 interface (12 MHz) creates real time link for the PC “front-end” application of the SVAN 959 instrument. Instrument can be remotely controlled by PC using the RS 232 interface (option) or IrDA interface (option). Measurement results can be downloaded to PC by these interfaces. Instrument is powered from four AA standard or rechargeable NiMH batteries (separate charger is required). The powering of the instrument from the External DC power source or USB interface is also provided.  Robust and light weight design accomplishes the exceptional features of this new generation instrument.

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FEATURES

Sound & Vibration Meter & Analyser

  • Type 1 IEC 61672:2002 (IEC 60651, IEC 60804) sound level measurements
  • General vibration measurements (acceleration, velocity and displacement) and HVM meeting ISO 8041:2005 standard
  • Three parallel independent profiles
  • 1/1 and 1/3 octave real time analysis
  • FFT real time analysis (1920 lines in up to 22.4 kHz band)
  • Acoustic loudness measurements (option)
  • RT 60 reverberation time measurements (option)
  • Advanced Data Logger including spectra’s logging on the USB Memory Stick provides almost unlimited logging capacity
  • Time domain signal recording (option)
  • Advanced trigger function
  • USB 1.1 Host & Client interface (real time PC “front end” application supported)
  • RS 232 and IrDA interfaces (options)
  • Integration time programmable up to 24 h
  • Power supply by four AA rechargeable NiMH or standard batteries
  • Hand held, light weight and robust case
  • Easy in use

For a PDF version of this document please click here.

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TECHNICAL SPECIFICATIONS

Sound level meter & analyser
Standards Type 1: IEC 61672-1:2002 (IEC 60651, IEC 60804)
Meter mode SPL, Leq, SEL, Lden, Ltm3, Ltm5, Statistics - Ln (L1-L99), LMax, LMin, LPeak
Simultaneous measurement in three profiles with independent set of filters and detector time constants
Analyser 1/1 octave1 real time analysis
1/3 octave1 real time analysis
FFT1 real time analysis (1920 lines, up to 22.4 kHz band)
Loudness1 based on ISO 532B standard and Zwicker model (option)
Tonality1 pure tone detection based on FFT analysis (option)
RT 60 Reverberation time analysis in 1/3 octave bands (option)
User programmable second order band pass filters1 (option)
and more...
Weighting Filters A, C and Z
RMS Detector Digital True RMS detector with Peak detection, resolution 0.1 dB
Time Constants: Slow, Fast, Impulse
Microphone GRAS 40AE, 50 mV/Pa, prepolarised 1/2” condenser microphone with SV 12L IEPE preamplifier
Measurement Range 20 dBA RMS ÷ 140 dBA Peak (with 5 dB margin from noise level)
Internal Noise Level less than 15 dBA RMS
Frequency Range 3.15 Hz ÷ 20 kHz, with GRAS 40AE microphone

Vibration level meter & analyser
Standards ISO 8041:2005 and ISO 10816-1
Meter mode RMS, VDV, MTVV or MAX, Peak, Peak-Peak
Simultaneous measurement in three profiles with independent set of filters and detector time constants
Analyser 1/1 octave1 real time analysis
1/3 octave1 real time analysis
FFT1 real time analysis (1920 lines, up to 22.4 kHz band)
RPM1 rotation speed measurement parallel to the vibration measurement (option)
Advanced enveloping option dedicated for bearing diagnostics (option)
User programmable second order band pass filters1 (option)
and more...
Filters Wk, Wc, Wd, Wj, Wh, Wm, HP1, HP3, HP10, Vel1, Vel3, Vel10, VelMF, Dil1, Dil3, Dil10, KB
RMS & RMQ Detectors Digital True RMS & RMQ detectors with Peak detection, resolution 0.1 dB,
Time Constants: from 100 ms to 10 s
Accelerometer (option) SV 3185D general purpose accelerometer with 100 mV/g sensitivity
Measurement Range 0.003 ms-2 RMS ÷ 1000 ms-2 Peak, with SV 3185D accelerometer
Frequency Range 2 Hz ÷ 10 kHz, with SV 3185D accelerometer

Basic Data
Input IEPE interface with TNC connector
Dynamic Range 110 dB
Frequency Range 0.5 Hz ÷ 20 kHz, sampling rate 48 kHz
Data Logger1 Time History logging to internal memory or USB Memory Stick
Time domain signal recording on USB Memory Stick (option)
Signal generator Sine, Sweep, White noise, Pink noise etc. (option)
Display LCD 128 x 64 pixels plus icons with backlighting
Memory 32 MB non-volatile flash type, external USB Memory Stick
Interfaces USB 1.1 Client, USB 1.1 Host, RS 232 (with SV 55 option), IrDA (option)
External I/O - AC output (1 V Peak) or Digital Input/Output (Trigger)
Power Supply Four NiMH rechargeable batteries operation time > 16 h (4.8 V / 2.6 Ah)2
Four AA batteries (alkaline) operation time > 12 h (6.0 V / 1.6 Ah)2
SA 17A external battery pack operation time > 24 h (option)2
External power supply 6 V/500 mA DC ÷ 15 V/ 250 mA DC
USB interface 500 mA HUB
Environmental Conditions Temperature from -10 oC to 50 oC
Humidity up to 90 % RH, non-condensed
Dimensions 338 x 82 x 42 mm (with microphone and preamplifier)
Weight Approx. 0.6 kg with batteries

1 each function parallel to the meter mode
2 with USB 1.1 Host function not active and backlight off

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PICTURE

SVAN 959 Sound & Vibration Meter & Analyser

 

 

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