SV 258 PRO User Manual
13
2.1.3 Sound and Vibration Analyser
SVAN 958A
is a class 1 Four-channel Sound & Vibration level
meter as well as a real time 1/1 or 1/3 octave or FFT
analyser and
is a core of the SV 258 PRO system. Its role is to make
measurements and save results in files, as well as to control data
transfer via the mobile modem to the SvanNET webserver or
directly to a PC. Measurement results can be analysed with the
use of the + software.
Main important features of SVAN 958A as a part of the
SV 258 PRO system:
•
Four-channel, 20 kHz real-time, simultaneous sound and
vibration measurements: Human Vibration measurements
meeting ISO 8041-1:2017 including VDV and MTVV and
Sound level meter class 1, IEC 61672:2002.
•
Analyser options: FFT analysis up to 1600 lines in 20 kHz
band; 1/1 and 1/3 octave real-time analysis.
•
Advanced time history logging, time-domain signal
recording for each channel provides complete information
about the measured signal.
•
Advanced trigger and alarm functions.
SVAN 958A has two input sockets: 4-pins Lemo compatible socket
type ENB.0B.304 for
Channels 1
–3
and TNC for
Channel 4
.
All sockets ensure IEPE power supply for the accelerometers or
microphone preamplifiers.
SVAN 958A, when it works with the monitoring station, is powered
from an external power supply via the
6-24V
socket.
Data transfer to the modem is via a
USB Host
socket, the serial
interface.
Other instrument sockets are not used in the SV 258 PRO system.
not used
serial port
external power
Note: As a part of the SV 258 PRO station SVAN 958A is powered from the external source and
doesn’t use its internal batteries. Internal instrument’s batteries must be removed for correct
system operation and safety reasons!
Note: The station is delivered without internal batteries inside the instrument. But if you use
SVAN 958A as a hand-
held instrument, don’t forget to remove batteries from the instrument
every time you put it back into the station slot.
To insert or extract batteries,
switch off the instrument,
remove the bottom rubber
cover,
unscrew
out
the
blanking plate and slide the
batteries out. Screw the
blanking plate and fix the
rubber bottom cover back on.
