Reproducibility; Off-Center Load; Checking The Off-Center Load - Sartorius Master Pro Series Service Manual

Note:
Eckl-r02.EPS
Eckl-e01.EPS

Reproducibility

– The required test weight is listed in the "Service Specifications Sheet for
Master Balances."
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– Unload the weighing pan and press t to tare.
– Center the test weight on the weighing pan.
– Write down the value displayed.
– Repeat this procedure 5 times.
– The reproducibility value is derived from these 6 values as follows:
(highest disp. value - lowest display value)
—————————————————
– Compare the resulting value to the tolerance range given.
– If the calculated value exceeds the tolerance limits, this may be caused by
one of the following:
– Foreign matter/dirt in the weighing system
– Mechanical parts touching the weighing system (pin in the magnet cover)
– Bent/defective bending beam

Off-center Load

Checking the Off-center Load

The specifications for test weights and tolerances are listed in the "Service
Specifications Sheets for Master
– Place the test weight in position 1 on the weighing pan and press ; to
tare the balance.
– Place the test weight on positions 2, 3, 4, 5 and 6 in sequence and write
down the values, with plus or minus sign, displayed at stability.
– Master Balances with round weighing pan
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– Master Balances with rectangular weighing pan
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– Compare the values with the tolerance limits listed in the "Service Specifi-
cations for Master Balances" (see page 46).
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– If the values exceed the tolerances, the off-center load must be adjusted.
SARTORIUS Master
3
Balances" (see page 46).
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