Sartorius Combics CAH1, Operating Instructions Manual

Page: 24 / 168

24 Operating Instructions Combics Indicators
External Linearization
Setup Information – External linearization when weighing in legal metrology is only possible when
the menu access switch is open.
– The “external linearization” function must be allocated to the
J
key (menu
item 1.9.6 or 1.9.7).
3
Once linearization has been completed, the
J
key must be reallocated back to its
original function in the Setup menu, e. g. external calibration/adjustment with
default weights (Setup menu item 1.9).
Procedure
t
For scales used in legal metrology: Open the menu access switch.
(
t
Zero the weighing platform.
t
Activate the Service mode (see Page20).
J
t
Start linearization.
t
After approximately 2 seconds you will be prompted to place the fi rst
linearization weight on the platform.
t
Place the required weight on the platform.
y
After a short time the difference between the measured value and the true
weight of the sample will be displayed.
)
t
Save the linearization weight (cancel using the
(
key).
y
You will then be prompted to place the second linearization weight on the
platform.
t
Repeat the procedure for all required linearization weights.
y
After the last linearization weight has been saved you will be prompted to
remove any load from the weighing pan.
t
Unload the weighing pan.
t
After a short period of time the zero point will be applied automatically and the
indicator will automatically switch back to weighing mode.
t
Re-close the menu access switch.
Confi guring Weighing Platforms