DELTA
LTL2000S(Q) Retroreflectometer
ii
INDEX
SECTION 1................................................................................................................................ 1
INTRODUCTION............................................................................................................................. 1
Introduction ................................................................................................................................................... 1
LTL2000S(Q) features .................................................................................................................................. 2
Getting started ............................................................................................................................................... 3
Buttons........................................................................................................................................................... 3
Measuring...................................................................................................................................................... 3
Warning and Errors ....................................................................................................................................... 3
Calibration - LTL2000S ................................................................................................................................ 6
Calibration - LTL2000SQ ............................................................................................................................. 8
SECTION 2.............................................................................................................................. 11
GENERAL INFORMATION ........................................................................................................ 11
Rl Measurement........................................................................................................................................... 11
Qd Measurement ......................................................................................................................................... 15
Instrument function ..................................................................................................................................... 17
Factory calibration....................................................................................................................................... 17
Notes on error sources ................................................................................................................................. 17
SECTION 3.............................................................................................................................. 19
KEYBOARD, DISPLAY AND FUNCTIONS.............................................................................. 19
Keyboard Layout ......................................................................................................................................... 19
Keyboard functions ..................................................................................................................................... 19
Clear log data............................................................................................................................................... 20
Measurement id ........................................................................................................................................... 20
Mean Calculation......................................................................................................................................... 21
Menu system................................................................................................................................................ 21
SECTION 4.............................................................................................................................. 25
MAINTENANCE ............................................................................................................................ 25
General care................................................................................................................................................. 25
Protection window....................................................................................................................................... 25
Battery ......................................................................................................................................................... 25
Fuses............................................................................................................................................................ 26
Lamp............................................................................................................................................................ 26
Calibration unit............................................................................................................................................ 26
Light trap ..................................................................................................................................................... 27
Printer .......................................................................................................................................................... 28
APPENDIX A .......................................................................................................................... 29
COMMUNICATION FACILITIES.............................................................................................. 29
RS-232C specification................................................................................................................................. 29
Data protocol ............................................................................................................................................... 31
Command format......................................................................................................................................... 32
Command set............................................................................................................................................... 33
APPENDIX B .......................................................................................................................... 36
Status code interpretation .............................................................................................................. 36
APPENDIX C .......................................................................................................................... 37
Print outs.......................................................................................................................................... 37
Result Printout............................................................................................................................................. 37
Rl Calibration Printout ................................................................................................................................ 37
Qd Calibration Printout ............................................................................................................................... 37
Log Printout................................................................................................................................................. 38
Status Printout ............................................................................................................................................. 39