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5 Performing a correlation measurement
Performing a correlation measurement
Note:
As well as the standard “cross correlation”, the
AC 06
can also perform
“auto correlation”, see sec
-
tion 8.6.5.
5.2
Starting a measurement
This function must be selected to measure a section for the first
time, or after the first measurement if errors have occurred (trans
-
mitter not switched on, badly connected microphone etc.).
Using the
arrow keys
select
“Start” and confirm by press
-
ing the
Enter key
. Use the
headphones to check the pro-
gression of the measurement
acoustically (safety measures:
see section 2.1).
pipe data
start
continue
Start
cancel
100.0 m
steel
125 mm
1280 m/s
A summary of the
pipe data
entered will be shown.
Mark “start” using the
arrow
keys
. Press the
Enter key
.
The correlation measurement
will begin.