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Appendix B: Chromaticity Reference
J18 Photometer Instruction Manual
B–9
Table B–1: Spectral Tristimulus Values for Equal Spectral Power Source
(CIE 1931 Standard 2
°
Observer)
Wavelength (nm)
x(
l
)
y(
l
)
z(
l
)
380
0.0014
0.0000
0.0065
385
0.0022
0.0001
0.0105
390
0.0042
0.0001
0.0201
395
0.0076
0.0002
0.0362
400
0.0143
0.0004
0.0679
405
0.0232
0.0006
0.1102
410
0.0435
0.0012
0.2074
415
0.0776
0.0022
0.3713
420
0.1344
0.0040
0.6456
425
0.2148
0.0073
1.0391
430
0.2839
0.0116
1.3856
435
0.3285
0.0168
1.6230
440
0.3483
0.0230
1.7471
445
0.3481
0.0298
1.7826
450
0.3362
0.0380
1.7721
455
0.3187
0.0480
1.7441
460
0.2908
0.0600
1.6692
465
0.2511
0.0739
1.5281
470
0.1954
0.0910
1.2876
475
0.1421
0.1126
1.0419
480
0.0956
0.1390
0.8130
485
0.0580
0.1693
0.6162
490
0.0320
0.2080
0.4652
495
0.0147
0.2586
0.3533
500
0.0049
0.3230
0.2720
Appendix B: Chromaticity Reference
J18 Photometer Instruction Manual
B–9
Table B–1: Spectral Tristimulus Values for Equal Spectral Power Source
(CIE 1931 Standard 2
°
Observer)
Wavelength (nm)
x(
l
)
y(
l
)
z(
l
)
380
0.0014
0.0000
0.0065
385
0.0022
0.0001
0.0105
390
0.0042
0.0001
0.0201
395
0.0076
0.0002
0.0362
400
0.0143
0.0004
0.0679
405
0.0232
0.0006
0.1102
410
0.0435
0.0012
0.2074
415
0.0776
0.0022
0.3713
420
0.1344
0.0040
0.6456
425
0.2148
0.0073
1.0391
430
0.2839
0.0116
1.3856
435
0.3285
0.0168
1.6230
440
0.3483
0.0230
1.7471
445
0.3481
0.0298
1.7826
450
0.3362
0.0380
1.7721
455
0.3187
0.0480
1.7441
460
0.2908
0.0600
1.6692
465
0.2511
0.0739
1.5281
470
0.1954
0.0910
1.2876
475
0.1421
0.1126
1.0419
480
0.0956
0.1390
0.8130
485
0.0580
0.1693
0.6162
490
0.0320
0.2080
0.4652
495
0.0147
0.2586
0.3533
500
0.0049
0.3230
0.2720
Summary of Contents for LumaColor II J18
Page 4: ......
Page 6: ......
Page 16: ...Preface x J18 Photometer Instruction Manual Preface x J18 Photometer Instruction Manual...
Page 17: ...Getting Started Getting Started...
Page 18: ......
Page 29: ...Operating Basics Operating Basics...
Page 30: ......
Page 41: ...Reference Reference...
Page 42: ......
Page 48: ...Syntax 3 6 J18 Photometer Instruction Manual Syntax 3 6 J18 Photometer Instruction Manual...
Page 50: ...Commands 3 8 J18 Photometer Instruction Manual Commands 3 8 J18 Photometer Instruction Manual...
Page 53: ...Specifications Specifications...
Page 54: ......
Page 60: ......
Page 61: ...Performance Verification Performance Verification...
Page 62: ......
Page 65: ...Maintenance Maintenance...
Page 66: ......
Page 73: ...Replaceable Parts Replaceable Parts...
Page 74: ......
Page 85: ...Appendices Appendices...
Page 86: ......
Page 103: ...Glossary and Index Glossary and Index...
Page 104: ......
Page 113: ......
Page 114: ......