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Troxler 3430 User Manual

Troxler 3430
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3-14
ASPHALT SURFACE PREPARATION
It is possible, but usually not necessary, to take direct transmission
readings on asphalt. Drilling a hole in asphalt can be difficult, and
may require the use of a drill (rather than the drill rod) if the asphalt
has cooled and hardened.
Under normal conditions, a backscatter reading provides an accurate
measurement of asphalt density.
Find a smooth, level location on the asphalt. The operator may
want to fill the voids on open mixes with sand or cement. Take
care to leave the asphalt exposed. The gauge base must rest on
the asphalt, not the fill material!
Ensure that the gauge does not “rock.” It must remain steady. If
rocking occurs, find a more suitable test site. If taking a
measurement around a core, the gauge may be moved a few
inches away from the hole to level the gauge.

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Troxler 3430 Specifications

General IconGeneral
Measurement PrincipleNuclear
Power SourceRechargeable battery
DisplayLCD
Data StorageInternal memory
TypePortable
Material MeasuredSoil, Asphalt
Moisture Measurement Range0 to 60%
Operating Temperature-10 to 50°C
SourceCesium-137

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