SV 277 PRO User Manual
15
Main important features of SVAN 977 as a part of SV 277 PRO system:
•
Three user configurable profiles allow
parallel measurements with independently
defined frequency filters and RMS detector
time constants. Each profile provides a
significant number of results (for example,
Spl, Leq, SEL, Lden, LEPd, Peak, Max and
Min).
•
Advanced time history logging, time-
domain signal recording for each channel
provides complete information about the
measured signal.
•
All required weighting filters: A, B, C, Z are
available with this instrument.
•
Advanced trigger and alarm functions.
•
Analyser options: FFT analysis, 1/1 and
1/3 octave real-time analysis including
calculations of statistical levels.
SVAN 977, when it works with the monitoring
station, is powered from an external power
supply via the
7-16V
socket.
Data transfer to the modem is done via the
Serial
socket, the serial interface.
Other instrument sockets are not used in the
SV 277 PRO system.
not used
serial port
external power
Note: As a part of the SV 258 PRO station SVAN 977 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 977 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 extract the batteries, switch
off the instrument, unscrew the
coin-operated screw, take off the
black
bottom
cover of
the
instrument and slide the battery
tubes out. You should then fix the
bottom cover back on.
