Svantek SV 971A, Руководство пользователя

Страница: 115 / 305

SV 971A User Manual
115
1/1.&Dose Measurement Function enabling calculation of
Dose Meter results and 1/1-octave sound results in
accordance with Class 1 IEC 61260-1:2014.
1/1-octave results are presented as a spectrum
graph - a function of result value vs central band
frequency. 1/1-octave results can be saved as a
time-history.
Chapter
3.1 , 10
1/3.&Dose Measurement Function enabling calculation of
Dose Meter results and 1/3-octave sound results in
accordance with Class 1 IEC 61260-1:2014.
1/3-octave results are presented as a spectrum
graph - a function of result value vs central band
frequency. 1/3-octave results can be saved as a
time-history.
Chapter
3.1 , 10
RT60 Measurement Function enabling calculation of
reverberation time in 1/1-octave bands or 1/3-
octave bands including three total RMS levels (A, C
and Z weighted). Two methods can be applied:
Impulse Response Method
and Interrupted Noise
Method. Results are presented for 1/1 or 1/3 octave
bands.
Chapter
3.1 , 12
STIPA Measurement Function enabling analysis of the
speech intelligibility with the STIPA method.
Chapter
3.1 , 13
17.2 C
ALIBRATION
Position Description Screen Reference
Calibration Position on the Function screen that opens a screen
with positions allowing you to perform calibration of
the instrument:
By Measurement, Last Calibration,
Calibration History, Clear History, Post Calibration
and Auto Calibration .
Chapter
3.2
By
Measurement Type of calibration based on the reference signal
measurement with the use of a sound calibrator. Chapter
3.2.1
Calibration
Measure Measured by the instrument reference signal level
without calibration factor correction. Chapter
3.2.1 , 3.2.6