Y
ou can have the value for
"
A
djustment uncovered
"
determined by
POINTRAC
31
.
T
his menu item appears only if you have selected
"
S
ingle point
adjustment
"
as adjustment mode
(
S
etup
/
A
djustment mode
).
I
n this menu item you can adjust at which percentage value of the max
.
pulse rate the sensor should switch over
.
S
ince in most cases the radiation is almost completely absorbed when
the sensor is covered
,
the pulse rate when the sensor is covered is
very low
.
T
he change between the two statuses is su
ffi
ciently clear
.
H
ence a percentage value of
90
%
for the
D
elta
I
value is
recommended
.
Y
ou select lower values for the sensitive detection of material cones or
buildup which only cause a partial absorption of the radiation
.
T
his menu item appears only if you have selected under adjustment
mode
(
setup
/
adjustment mode
)
the
"
D
ouble point adjustment
"
.
I
n this menu item you can set the min
.
pulse rate
(
ct
/
s
)
at which the
sensor should switch over
.
F
ill the vessel until the
POINTRAC
31
is covered
.
Y
ou thus get the min
.
pulse rate
(
ct
/
s
)
for the adjustment covered
.
E
nter the requested pulse rate manually or let the rate be determined
by
POINTRAC
31
.
A
utomatic determination of the pulse rate should be
given preference
.
Y
ou can enter the adjustment point
(
ct
/
s
)
manually
.
S
etup
/
D
elta
I
(
single
point adjustment
)
A
djustment covered
(
double point adjust
-
ment
)
POINTRAC
31
•
F
oundation
F
ieldbus
27
6
S
et up with the indicating and adjustment module
41779
-
EN
-
120329
