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Off-center Error
Caution: Larger errors in the off-center loading error affect the repeatability of the
weighing system!
The OIML Guideline R76-1 describes the tests for off-center loading tolerances
for square, round and even triangular weighing pans. Therefore, the test
weight should be placed on every 1/4 of the weighing pan surface.
The positions for placing test weights in triangular weighing pans are indicated
in the figures to the left.
Please refer to the sketches to the left to establish the testing points for
checking the off-center loading tolerances.
The markings should help you place the test weights in their proper positions.
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