INTRODUCTION
The Troxler Model 3440-L Surface Moisture-Density Gauge measures the
moisture content, density, and compaction of soils, soil-stone aggregates,
concrete, asphalt treated bases, asphalt surfacing, and other materials that
approximate similar ranges of density and/or moisture content. The latest
engineering, design, and manufacturing techniques have been incorporated
into the 3440-L gauge, as well as over thirty years of experience in the
nuclear gauge industry.
The versatile 3440-L gauge uses two modes of operation (backscatter and
direct transmission) and can store over 450 readings. The gauge also
provides over 30 special functions and operator-selectable precision for all
phases of construction material testing. The LCD display and easy-to-use
keypad ensure the operator of fast, accurate test measurement results.
This manual contains sections that cover basic gauge setup and operation,
as well as advanced operating techniques. The appendices provide
information on radiation theory and radiation safety. Each chapter contains
a table of contents for quickly locating the function required. If a question
arises about the gauge, gauge operation, or an application not covered by
this manual, please contact the closest Troxler Sales/Service Center or your
Troxler Representative.
Changes and additions may be made to the 3440-L gauge and this manual
without notice. Acquire updated information or a newer version of this
manual by contacting the Troxler Sales Department or a Troxler
Representative. The current edition of the manual can also be downloaded
and/or viewed (using Adobe® Acrobat® Reader) from the Troxler
website, www.troxlerlabs.com.
NOTE
While no radiation hazard is imposed on operator(s)
during normal use, a potential hazard does exist if
improperly used. The sections of the manual covering
radiological safety should be required reading for all
operators and potential operators. If these sections are
not completely understood, operators should seek
assistance from Troxler, an appointed Troxler
representative or others designated within the operator
organization.
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