Sartorius Master Pro LA12000P, Service Manual

Page: 29 / 64

SARTORIUS Master pro
29
Calibration/Adjustment
Calibration/Adjustment Sequence
Check and, if necessary, adjust the following factors:
– Preload
– Reproducibility (standard deviation)
– Off-center load
– Span
– Linearity
Note: The test procedures described in the following correspond to those described
in the Sartorius Standard Operating Procedures, numbers WKD-037-01 and
WKD-038-01. These also correspond to the specifications listed in the “Ser-
vice Specifications Sheets for Master
pro
Balances.”
Prerequisites for Calibration/Adjustment
The following conditions are required for calibration/adjustment of the bal-
ance.
Ambient Conditions
– An area with favorable ambient conditions
– A level surface, free of vibration
– No direct source of heat radiation
– No drafts
Operating Conditions
– The balance must be leveled using the level indicator
– The balance must have warmed up for the required period of time