PR 5220 Instrument Manual Commissioning
Sartorius EN-65
4.4.9 Subsequent Dead Load Correction
If the hopper/platform weight changes by an amount that is higher than the zero-setting range; e.g., due to
dead load reduction, dead load increase or mechanical changes, the functions for automatic zero tracking and
manual zero setting no longer work. To view the range which is already utilized by zero tracking or zero
setting, select [Calibration] and press
; this also activates 10-fold increased resolution of the weight value.
Press
again to return to the previous state:
Current zero setting: 0.123 kg
If the entire zero-setting range is already utilized, you can still correct the dead load (CAL switch must be
open) without affecting other calibration data/parameters.
To do this, select
-[Weighingpoint]-[Calib]-[Modify] and determine the dead load with [Dead load at]-[by
load] (see Chapter 4.4.5).
If the liniarization is active (see Chapter 4.4.10):
After selection of the line ‚Dead load at’ the following tip is displayed:
Can not be changed here
while linearization is active
4.4.10 Linearization
After selecting -[Weighingpoint]-[Calib]-[New]/[Modify] and after completing calibration, select the
linearization menu with softkey [Linear.]:
When you press [Linear], the menu shown below appears:
Weighingpoint/WP A/Calibration/Linearization
To add a new linearization point, press [Add], fill in the weight value, apply the weight and press [by load].
Then fill in the corresponding value in mV/V for the weight. After pressing [mV/V], the value can be entered
directly.
Up to 3 linearization points can be determined.
A linearization point can be added with [Add], removed with [Delete] and changed with [Change].
Weighingpoint/WP A/Calibration/Linearization
A linearization point can be selected with
,
changed with [Change] and deleted with [Delete].
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