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Tables of Contents for Summary of Evaluation Findings for 30-Meter Handheld and Mobile Pavement Marking Retroreflectometers
Chapter/Section Title
Page #
Page Count
Preface
vii
Acknowledgments
ix
Technical Evaluation Panel Key Contacts
x
Manufacturers Participating in the HITEC Evaluation Program
xi
Introduction
1
8
Background
Objectives of Evaluation
Scope of Evaluation
Evaluation Procedure
On-Site Representatives
Laboratory Tests
Field Tests
Instrument Descriptions
9
10
Summary of Characteristics
ECODYN
FRT01
LASERLUX
LTL 2000
Mirolux Plus 30 (MP-30)
MX30
Evaluation Results
19
24
Laboratory Testing
Instrument and Product Variability
Possible Sources of Error
Measurement Bias
Repeatability
Reproducibility
Shade Test
Field Tests
Product and Instrument Variability
White Edgelines
White Skip Lines
Yellow Edgelines
Yellow Centerlines
Product Performance Summary
43
6
Guide for Interpreting Results
Need for Standard
Instrument Characteristics
Instrument Performance - Laboratory Testing
Measurement Bias
Repeatability
Reproducibility
Instrument Performance - Field Testing
Appendix A: Examples of Statistical Computations
49
6
Appendix B: Photometric Range Testing of Panels
55
2
Appendix C: Modifications Performed after Testing
57