Sartorius Combics 2 CAIXS2, Operating Instructions Manual

Page: 43 / 180

Operating Instructions Combics CAIXS2 43
Operation
Calibration and Adjustment
Purpose Calibration
determines the difference between the value displayed and the actual
weight on the platform. Calibration does not entail making any changes within the
weighing equipment.
During
adjustment
, the difference between the measured value displayed and the
true weight of a sample is corrected, or is reduced to an allowable level within
maximum permissible error limits.
3
The temperature range (°C) listed on the ID label should not be exceeded during
operation.
For servicing: External calibration/adjustment for verified scales of accuracy class
l
– External calibration/adjustment is blocked in legal metrology (switch cover is
sealed).
– External calibration/adjustment is only possible after the seal is removed. If the
seal is broken, the validity of verification will become void and you must have
your scale re-verified.
Using a verified scale in legal metrology with internal adjustment equipment:
t
Before use in legal metrology, the “internal adjustment" function should be
carried out at the installation location.
Opening the Menu Access Switch
The menu access switch is located on the back of the indicator right next to the
weighing platform connection (left-hand side).
t
Remove the cap.
t
Slide the switch to the right (= “open" position, not subject to legal verification).
Characteristics
Which of the following features are available depends on the weighing platform
connected. These features can be configured in the
Setup
menu:
– external calibration/adjustment blocked in verified weighing instruments
– external calibration/adjustment with the standard weight or weight set by a user
(not available on verified instruments):
setup / wp-1
menu Menu item 1.9
“Calibration and Adjustment"
– specify the weight for external calibration/adjustment:
setup / wp-1
menu Menu
item 1.18 “enter adjustment weight"
– internal adjustment for IS weighing platforms (configure under: SETUP / WP-1 or
COM1
)
– block the
J
key to prevent use of the functions described above:
setup / wp-1
menu Menu item 1.9 “Calibration and Adjustment"
– calibrate first; then adjust automatically or manually (not for verified weighing
instruments):
setup / wp-1
menu Menu item 1.10 “Calibration/Adjustment
sequence"
– flashing
n
symbol as adjustment prompt. If more than one weighing platform is
connected, the platform number is also displayed:
setup / wp-1
menu Menu item
1.15. “Adjustment prompt"
– block external or enable calibration/adjustment:
setup / wp-1
menu Menu item
1.16. “External calibration."