Standard Illuminant
D55 data from: CIE. (n.d.). CIE 15:2004 Tables Data. Retrieved from https://law.resource.org/pub/us/cfr/ibr/003/cie.15.2004.tables.xls


Lamp spectrum

Show/hide spectral data
wavelength,relativeIntensity
 300,0.024
 305,1.048
 310,2.072
 315,6.648
 320,11.224
 325,15.936
 330,20.647
 335,22.266
 340,23.885
 345,25.851
 350,27.817
 355,29.219
 360,30.621
 365,32.464
 370,34.308
 375,33.446
 380,32.584
 385,35.335
 390,38.087
 395,49.518
 400,60.949
 405,64.751
 410,68.554
 415,70.065
 420,71.577
 425,69.746
 430,67.914
 435,76.76
 440,85.605
 445,91.799
 450,97.993
 455,99.228
 460,100.463
 465,100.188
 470,99.913
 475,101.326
 480,102.739
 485,100.409
 490,98.078
 495,99.379
 500,100.68
 505,100.688
 510,100.695
 515,100.341
 520,99.987
 525,102.098
 530,104.21
 535,103.156
 540,102.102
 545,102.535
 550,102.968
 555,101.484
 560,100
 565,98.608
 570,97.216
 575,97.482
 580,97.749
 585,94.59
 590,91.432
 595,92.926
 600,94.419
 605,94.78
 610,95.14
 615,94.68
 620,94.22
 625,92.334
 630,90.448
 635,91.389
 640,92.33
 645,90.592
 650,88.854
 655,89.586
 660,90.317
 665,92.133
 670,93.95
 675,91.953
 680,89.956
 685,84.817
 690,79.677
 695,81.258
 700,82.84
 705,83.842
 710,84.844
 715,77.539
 720,70.235
 725,74.768
 730,79.301
 735,82.147
 740,84.993
 745,78.437
 750,71.88
 755,62.337
 760,52.793
 765,64.36
 770,75.927
 775,73.872
 780,71.818
Select All Data This is raw data (unnormalized)
wavelength relativeIntensity
300 0.024
305 1.048
310 2.072
315 6.648
320 11.224
325 15.936
330 20.647
335 22.266
340 23.885
345 25.851
350 27.817
355 29.219
360 30.621
365 32.464
370 34.308
375 33.446
380 32.584
385 35.335
390 38.087
395 49.518
400 60.949
405 64.751
410 68.554
415 70.065
420 71.577
425 69.746
430 67.914
435 76.76
440 85.605
445 91.799
450 97.993
455 99.228
460 100.463
465 100.188
470 99.913
475 101.326
480 102.739
485 100.409
490 98.078
495 99.379
500 100.68
505 100.688
510 100.695
515 100.341
520 99.987
525 102.098
530 104.21
535 103.156
540 102.102
545 102.535
550 102.968
555 101.484
560 100
565 98.608
570 97.216
575 97.482
580 97.749
585 94.59
590 91.432
595 92.926
600 94.419
605 94.78
610 95.14
615 94.68
620 94.22
625 92.334
630 90.448
635 91.389
640 92.33
645 90.592
650 88.854
655 89.586
660 90.317
665 92.133
670 93.95
675 91.953
680 89.956
685 84.817
690 79.677
695 81.258
700 82.84
705 83.842
710 84.844
715 77.539
720 70.235
725 74.768
730 79.301
735 82.147
740 84.993
745 78.437
750 71.88
755 62.337
760 52.793
765 64.36
770 75.927
775 73.872
780 71.818
Spectral Index Value
MSI 0.85
SLI 0.92
IPI 0.96
Percentage of Blue 37.0
Characteristic Value
CCT calculated (K) 5502
CCT from the manufacturer (K) ND
Voltage (V) ND
Power (W)
Luminous Efficacy (Lum/W)

D55

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Measure date: