SV 104A USER'S MANUAL_______________________________________________________
36
•
the calibrator is not properly attached to the instrument
•
there are external acoustic disturbances such as high noise levels close by
•
the calibrator or the measurement channel (for example the microphone) is damaged
Note: During the calibration measurement, the external disturbances (acoustic noise
or vibrations) should not exceed a value of 100 dB (when using a calibrator that generates a level
of 114 dB).
8. Press the
<ENTER>
key in order to accept the measurement result.
Figure 4-11
Calibration confirmation screen
Note: If a calibration factor does not meet tolerance criteria
±2 dB, you still can manually
accept the microphone, but the results could possibly be affected - see
Figure 4-12
Calibration - microphone not in tolerance screen
9. Post calibration. If enabled, the post processing is performed automatically under acceptance
of calibration measurement.
Note:
If it is required to perform so called post-calibration of the instrument. In case the Post
Calibration is pre-programmed within configuration setup the
SV 104A
automatically adds the results to
the previously saved files.
new
calibration factor
previous