S
elect in the
DTM
window
"
P
arameter
"
the option
"
F
low
"
with the
requested unit of measurement
.
M
in
.
adjustment
:
E
nter the suitable value for
0
%
,
i
.
e
.
the distance
from the sensor to the medium as long as there is no
fl
ow
.
T
hese are in
the following example
1
.
40
m
.
M
ax
.
adjustment
:
E
nter the suitable value for
100
%
,
i
.
e
.
the distance
from the sensor to the medium
,
with the max
.
fl
ow volume
.
T
his is in
the following example
0
.
80
m
.
100%
0,80m (d)
=
400m
3
/h
=
0%
1,40m (d)
=
0m
3
/h
=
F
ig
.
16
:
A
djustment
fl
ow measurement with
V
-
notch
S
elect in the
DTM
window
"
L
inearization
"
the option
"
F
low
"
and then
the used
fl
ume
(
in the above example
V
-
notch
).
S
elect in the
DTM
window
"
S
caling
"
under
"
P
arameter
"
the option
"
F
low
"
.
F
inally the allocation of a value must be carried out
,
i
.
e
.
the
fl
ow
volume is assigned to the
0
and
100
%
value
.
A
s the last step
,
select
the requested meas
.
unit
.
F
or above example
:
0
% =
0
and
100
% =
400
,
meas
.
unit m
³
/
h
.
F
irst of all decide if you want to use a relay and
/
or a current output
.
I
n
the
DTM
window
"
O
utputs
"
you can use any of the three outputs as
long as these are not yet used for other tasks
.
F
inally select under
"
M
ode
"
(
relay
)
or
"
O
utput characteristics
"
(
current
output
)
the option
"
F
low volume pulse
"
or
"
S
ampling pulse
"
.
E
nter
under
"
P
ulse output all
"
the
fl
ow volume after which a pulse should be
outputted
(
e
.
g
.
400
m
³
corresponds to one pulse per hour with a
fl
ow
volume of
400
m
³
/
h
).
I
n mode
"
S
ampling pulse
"
an additional pulse is outputted after a
de
fi
ned time
.
T
his means that a timer is started after each pulse after
which another pulse is outputted
.
T
his applies only if already a pulse
was outputted after exceeding the
fl
ow volume
.
P
arameter
-
F
low
A
djustment
L
inearisation curve
S
caling
O
utputs
VEGAMET
625
•
D
ouble channel
HART
signal conditioning instrument
51
8
A
pplication examples
28970
-
EN
-
110801