42
ZM400 Series Indicators Service Manual
6
ADMIN level menus
6.2.3 Span Procedure
6.2.4 Linearity Procedure
LinEAr
Add up to eight additional calibration points to improve the linearity
performance of the scale.
Span
View or
enter new
span
Live weight
displayed.
Place span
weight on
scale.
Live weight
displayed.
SPAn
To set the Span Calibration point press the
DOWN
arrow
key and
XXXX
is displayed with a flashing
right digit. This is the current span weight.
Press
ZERO
to accept the displayed span weight or
key in your span weight (not to exceed the
configured capacity) and press
ZERO
.
c xxx
is displayed. This is the current weight on the
scale.
Place the span weight on the scale and press
ZERO
.
buSy
is briefly displayed and then
c XXXX
is
displayed, which should be the same as the span
weight you keyed in. Press
ZERO
and
SPAn
is
displayed.
Perform the linearity procedure only if test weights applied to the scale between the
zero and span calibration points are showing slight inaccuracies, such as ± a few
divisions. If large inaccuracies are recorded, this indicates a possible mechanical
problem or possible loadcell failure which linearity calibration may not be able to
correct.
Linear
Pt2
Pt9
Enter
Pt 2 test
weight
Live weight
displayed.
Place Pt 2
weight on
scale.
Live weight
displayed.
Live weight
displayed.
Enter
Pt 9 test
weight
Live weight
displayed.
Place Pt 9
weight on
scale.
to
Содержание ZM401
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