Model 3450
2–1
CHAPTER 2
THEORY OF OPERATION
This chapter provides a brief description of the theory of operation
of the Troxler Model 3450 RoadReader Plus. The
direct
transmission
and
backscatter
modes of operation are illustrated,
along with an explanation of the cesium-137 source,
americium-241:beryllium source, and detector geometry.
CONTENTS
Density .......................................................................................... 2–2
Moisture ........................................................................................ 2–3
Thin Layer .................................................................................... 2–5
Calibration .................................................................................... 2–6
Offsets .................................................................................... 2–6
2. T
HEO
RY
OF
OP
ER
AT
ION
Содержание RoadReader Plus 3450
Страница 7: ...Model 3450 vii NOTES...
Страница 13: ...xii NOTES...
Страница 17: ...1 4 GAUGE PARTS AND ACCESSORIES Figure 1 1 Model 3450 Parts and Accessories...
Страница 23: ...2 4 Figure 2 1 Effect of Moisture on Depth of Measurement...
Страница 53: ...3 28 NOTES...
Страница 169: ...Appendix E 2 STANDARD COUNT LOG Gauge Serial Number Date Moisture MS Density DS1 Density DS2...
Страница 171: ...Appendix E 4 STANDARD COUNT LOG Gauge Serial Number Date Moisture MS Density DS1 Density DS2...
Страница 173: ...Appendix E 6 STANDARD COUNT LOG Gauge Serial Number Date Moisture MS Density DS1 Density DS2...
Страница 175: ...Appendix E 8 STANDARD COUNT LOG Gauge Serial Number Date Moisture MS Density DS1 Density DS2...
Страница 181: ...Appendix G 4 NOTES...
Страница 187: ...Appendix H 6 NOTES...
Страница 199: ...Index 12 NOTES...
Страница 200: ...Model 3450 Warranty 1 NOTES WARRANTY...
