4.5 Span Calibration
It is necessary to calibrate the balance after it is moved.
Verify that the balance is stable before performing the span calibration. To achieve a very
stable state, ensure that the balance has been turned on with the gram-display for at least one
hour, that the temperature is constant, that there are no breezes or vibrations and that the
balance is in an area isolated from the normal traffic flow.
UW series [Span Calibration
Using the Builtin Weight]
1. Verify that the balance is in gram-display and that
the pan is empty.
2. Press the [CAL] key once. “i-CAL” is displayed.
3. Press the [O/T] key. After
“i-CAL3”...“i-CAL1”, “Set”, “CALEnd” are
displayed indicating the completion of span
calibration, the gram-display will appear.
This is the standard calibration type. Refer to 10.3.1 for use of external weights.
Span calibration should be performed again :
when the location of the balance is changed,
when the room temperature changes considerably,
periodically, according to the quality control plan of the user.
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