3 Operation
30
for the volume flow measurement.
Preparing for measurement
1
Press
to configure the measurement.
You can set the following parameters:
-
Geometry: round, rectangular, area
-
Measuring Type: multi-point/timed avg.
-
Volume Flow Unit: m
3
/h, cfm, l/s, m
3
/s
-
Correction Factor: 1% to 200%
In a multi-point measurement, a mean value is calculated from the
individual measuring values.
In a timed average measurement, a mean value is calculated over a
certain period.
Several points can be measured. This generates a timed average/multi-
point total mean value.
2
Use
to select the required parameter and make settings.
3
Press
or
to exit the menu.
Carrying out the measurement
A suitable probe is connected to the testo 440.
1
Remove the protective cap from the probe head.
Содержание 440
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