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Is the Balance Door Closed? (Procedures and Mistakes)

The balance door must be closed in order to obtain a stable reading. Both appropriate and inappropriate examples are included.


The Door is Not Closed


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7 Seconds

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The mass reading does not stabilize because the balance door is left open.

The Door is Closed (.5663 g)


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.5 MB
16 Seconds

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5 Slide(s)


With the balance door closed, a stable reading can be recorded.