LIST OF FIGURES
Figure 1. Gauge and Accessories .................................................................. 1-3
Figure 2. 3411-B Front Panel Controls ........................................................ 2-4
Figure 3. 3401-B Front Panel Controls ........................................................ 2-6
Figure 4. Roller Pattern ...................................................................................... 5-8
Figure 5. Thin Lift Overlay Nomograph (SI Units) ................................ 5-10
Figure 6. Thin Lift Overlay Nomograph (US Customary Units) ....... 5-11
Figure 7. Midpoint of Interval ...................................................................... 5-12
Figure 8. Midpoint of Interval ...................................................................... 5-13
Figure 9. Statistical Stability Test ................................................................... 6-6
Figure 10. 3411-B Display Test Sequence .................................................. 6-8
Figure 11. 3411-B Rotary Switch Test Format .......................................... 6-9
Figure 13. Diagram of an Atom .....................................................................B-2
Figure 14. Variation of Radioactive Emission ...........................................B-5
Figure 15. Effects of Distance on Exposure ...............................................B-8
Figure 16. Direct Transmission and Backscatter Geometries ............ C-3
Figure 17. Backscatter Surface Density Effects ....................................... C-4
Figure 18. Effect of Moisture on Depth ..................................................... C-8