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← All measurement guidesMEASUREMENT GUIDE

Crack width

Record scale, orientation, endpoints and repeat interval so width changes can be distinguished from measurement noise.

01Record instrument and units
02Document placement and stabilization
03Use a control or reference
04Repeat under comparable conditions
DEEP GUIDES

Use the full method.

Measurement guide

Crack width: measurement, placement and interpretation limits

Record scale, orientation, endpoints and repeat interval so width changes can be distinguished from measurement noise. This guide separates the measured quantity from inference, explains setup and identifies when qualified measurement is required.

Read field guide →
OBSERVEFix location, trigger and conditions.
MEASUREPreserve units, placement and limits.
QUALIFYState confidence and unresolved alternatives.
Back to the laboratory →
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