4–4
PREPARING A TEST SITE
To ensure measurement accuracy, properly prepare the test site
before taking gauge measurements.
Locate a smooth site on the asphalt.
To ensure accurate readings, the gauge sensor must be
completely in contact with the test material. If the gauge rocks,
then find a more suitable test site. If taking a measurement
around a core, the gauge may be moved a few inches away from
the core to level it.
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