Svantek SV 973 - Measurement Parameters Overview

SVAN 973 User Manual
85
PrTWA
Projected Time Weighted Average is calculated
from the measured LAV (taking THRESHOLD
LEVEL into account) and the exposure time.
Appendix D
Lc-a
Leq that enhances the low-frequency components
of the sound signal. It is the result of subtracting
an A-weighted LAeq from a simultaneously
collected C-weighted Leq.
Appendix D
EX
Expected value. Calculated on the basis of 100ms
Leq results.
Appendix D
SD
Standard deviation. Calculated on the basis of
100ms Leq results.
Appendix D
LR15
15-minutes running Leq - the rolling (sliding) Leq
window for the last 15 minutes of measurement
(900 seconds) moving with 1 second step.
Appendix D
LR60
60-minutes running Leq - the rolling (sliding) Leq
window for the last 60 minutes of measurement
(3600 seconds) moving with 1 second step.
Appendix D
14.4 MEASUREMENT PARAMETERS
Name
Description
Screen
Reference
Measurement
Section of the Main Menu that enables selecting
the measurement parameters in the screens:
General Settings, Measurement Trigger, Profiles,
Logging, Spectrum, Range, Compensation Filter,
Statistical Levels, Exposure Time, Timer and
Alarm.
Manual
4