![Heinrichs TMU Скачать руководство пользователя страница 109](http://html1.mh-extra.com/html/heinrichs-0/tmu/tmu_installation-and-operation-manual_2119981109.webp)
Heinrichs Messtechnik GmbH
OPERATING MANUAL TMU / UMC3
Page 109 of 122
1.1.1.3
Flow direction
This function allows the operator to define the flow direction that the transmitter will evaluate. Only “forward”
should be selected so as to prevent reverse flow from being measured. The standard factory setting is “forward
& reverse.” After selecting the Flow direction function, press “
” to display the current setting.
Flow direction
[forward]
The current direction will be displayed and can be changed by toggling the arrow keys.
the operator can choose between:
forward
reverse
forward & reverse
Pressing the “
” key confirms the entry.
0%
20%
40%
60%
80%
100%
120%
Ou
tpu
t
(c
u
rr
e
n
t,
p
u
ls
e
,
fr
e
q
u
e
n
c
y
)
measured flow rate
Flow direction
forward flow
reverse flow
forward & reverse
Figure 2: Influence of the Flow Direction Setting