This chapter provides instructions for using the Model 3430 Surface
Moisture-Density Gauge in special circumstances where the gauge
may require an offset or special calibration. This chapter also
explains the procedure for using the gauge to measure thin layers of
asphalt.
CONTENTS
Offsets ............................................................................................ 4-2
Density Offset ......................................................................... 4-3
Moisture Offset ....................................................................... 4-4
Trench Offsets ......................................................................... 4-6
Special Calibrations ....................................................................... 4-7
Entering a New B Value .......................................................... 4-8
Gauge-calculated Calibration .................................................. 4-9
Thin Layer Measurements ........................................................... 4-11
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