HD31
- 76 -
V1.6
9.4
S
ELECTING THE DUCT FOR FLOW RATE MEASUREMENTS
The flow rate measurement performed with the air speed probes requires to know the section
of the duct or of the inlet perpendicular to the flow.
Fig. 9.4.1: air duct section
The instrument allows the section to be set for flow rate calculation:
1.
Press
SELECT
to display the
MENU
command in the command bar,
then select the command by press-
ing the
F2
key.
2.
Select the
SETUP
item using
S
and
T
, then press the
F3
key
(
OK
command) to confirm.
3.
Select the
OPTIONS
item, using if necessary
S
and
T
, then
press the
F3
key (
OK
command) to confirm.
Содержание HD31
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