Calibration, Adjustment
Purpose Perform calibration to determine the dierence 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 dierence 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.
Conguration for Use in Legal Metrology
Conguration of the weighing instrument for use in legal metrology is set by a
switch. The switch is located on the back of the weighing platform and covered by
a protective cap.
Using a veried scale in legal metrology in the EU:
The Type-Approval Certicate for veried scales is only valid for non-automatic
weighing instruments. For automatic operation with or without additional,
integrated equipment, please follow the applicable national regulations for the
installation location.
Externally Connected IS Scales: Before use in legal metrology, the scale should be adjusted via the internal
adjustment equipment at the installation location: see chapter “Conguring
Weighing Platforms,“ section “Internal Adjustment.“
3
The temperature range (°C) listed on the ID label should not be exceeded during
operation.
For Servicing: External adjustment for veried scales of accuracy class l
– External adjustment is blocked in legal metrology (switch cover is sealed)
– External adjustment is only possible by removing the seal. If the seal is broken,
the validity of verication will become void and you must have your scale
re-veried.
Using a veried 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.
P
S
2
t Remove the cap.
t Slide the switch to the left (= “open“ position, for use in legal metrology).
Please refer Plates and Marking.
h
You can determine the position of the switch in the Setup menu under
“Info:WP.“
86 Operating Instructions Combics Complete Scales
Operation
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