Reptile Lamp Database

305nm peak UVB
396 peak UVA
15cm

CCT:1019 5901K
CRI DC:1017 6.45E-3
CRI R01:1002 89.9 (5901K)
CRI R02:1003 94.0 (5901K)
CRI R03:1004 94.6 (5901K)
CRI R04:1005 88.6 (5901K)
CRI R05:1006 89.5 (5901K)
CRI R06:1007 91.7 (5901K)
CRI R07:1008 90.0 (5901K)
CRI R08:1009 78.0 (5901K)
CRI R09:1010 38.7 (5901K)
CRI R10:1011 84.2 (5901K)
CRI R11:1012 87.2 (5901K)
CRI R12:1013 74.9 (5901K)
CRI R13:1014 90.3 (5901K)
CRI R14:1015 97.0 (5901K)
CRI R15:1016 87.6 (5901K)
CRI Ra:1001 89.5 (5901K)
DC<5.4E-3:1018 false

Area (m²):1040 1.1946E-5
Illuminance (lux):1042 3.2905E3
Luminance (candela per m²):1044 3.2905E3
Luminous Flux (lumen):1041 3.9308E-2
Luminous intensity (candela):1043 3.9308E-2
Observer:1038 Photopic
Solid Angle (steradians):1039 1.0
Source:1037 FLMT09760

Device Source:1022 FLMT09760
Integration Begin:1023 270.00
Integration End:1024 850.00
Method:1025 Uses Simpson's Rule for integration.
Moles of Photons:1034 9.6273E-11
PAR uMoles/m²/sec:1036 5.3351E1
PAR uMoles:1035 7.6958E-5
Photons/cm²/sec:1032 4.0192E15
Total Photons:1033 5.7977E13
dBm:1030 -7.1536E0
eV:1031 1.4515E14
uJoule/cm²:1028 1.9467E2
uJoule:1026 2.3256E1
uWatt/cm²:1029 1.6122E3
uWatt:1027 1.9259E2

Colorimetry is the science to describe physically the human color perception. The wavelength range 380 nm - 780 nm is visible to humans and detected by three different photoreceptors. Many Reptiles see the range 350 nm - 800 nm and have an additional UV photoreceptor in their retina.

Whereas a spectrometer measures the intensity in every tiny wavelength interval resulting in thousands of individual intensities, the human eye only measures three intensities detected by the three cones. The same is true for the reptile eye with usually three or four photoreceptors. Effectively the detailled spectrum displayed above reduces to a much compacter bar graph displayed below. The photoreceptor sensitivites from these L-Cone, M-Cone, S-Cone, and U-Cone are used, they are chosen as an average of measured reptile photoreceptor sensitivity curves. The bar graph also shows as reference the intensity seen by the three or four photoreceptors for average sunlight (ASTM spectrum).

From these three numbers the colour coordinate and the correlated colour temperature for humans are calculated using the CIE standard method. I adapted this concept to a "3 cone reptile (M,S,U)" and a "4 cone reptile (L,M,S,U)". I am sure, that this adaption to other colour spaces makes sense mathematically and this is also done in scientific research regarding colour vision of animals, however I have not seen calculation of colour temperatures for other animals in the scientific literature. Even if it is hypothetical, at least this shows, how arbitrary the colour temperature is, and that the colour temperature calculated for humans does not apply to reptiles. The colour spaces also show the colour coordinates of different phases of daylight ((ids 1, 338 – 451, 511 – 513 ), indicated by crosses, coloured in the appriximate colour perceived by a human.

	Human (CIE)	3 cone reptile	4 cone reptile
Cone Excitation
Colour Coordinate	( 0.32 ; 0.33 )	( 0.26 ; 0.3 )	( 0.21 ; 0.2 ; 0.24 )
CCT	5900 Kelvin	12000 Kelvin	8000 Kelvin
distance		0.026	0.054
colour space			3-D-graph not implemented yet

Vitamin D3 is produced by UVB radiation around 300 nm. 7DHC/ProD3 present in the skin is converted to PreD3 when absorbing an UV photon. PreD3 can be converted back to ProD3, to Lumisterol, or to Tachysterol when absorbing another UV photon or can be converted to Vitamin D3 in a warm environment.

This process prevents any overdose of vitamin D3 from UV radiation with a spectrum similar to sunlight. As a comparison the solar spectra at 20°(id:14) and at 85°(id:21) solar angle are shown.

The ratio of the readings of two solarmeters 6.2 (UVB) and 6.5 (UV index) has proven a useful and very simply number to acess the spectral shape in the vitamin-d3-active region.

Effective irradiances are calculated for all ranges, actionspectra and radiometers currently present in this database.

The calculation method is a numerical implementation (Simpson's rule) of the formula

To learn more about calculating effective irradiances and radiometers I recommend this excellent report on UVB meters: Characterizing the Performance of Integral Measuring UV-Meters (pdf).

total ( 0 nm - 0 nm)	1660 µW/cm² = 16.6 W/m²
UVC ( 0 nm - 280 nm)	0.935 µW/cm² = 0.00935 W/m²
non-terrestrial ( 0 nm - 290 nm)	2.02 µW/cm² = 0.0202 W/m²
total2 ( 250 nm - 880 nm)	1660 µW/cm² = 16.6 W/m²
UVB (EU) ( 280 nm - 315 nm)	73.9 µW/cm² = 0.739 W/m²
UVB (US) ( 280 nm - 320 nm)	77.3 µW/cm² = 0.773 W/m²
UVA+B ( 280 nm - 380 nm)	86.5 µW/cm² = 0.865 W/m²
Solar UVB ( 290 nm - 315 nm)	72.8 µW/cm² = 0.728 W/m²
UVA D3 regulating ( 315 nm - 335 nm)	5.83 µW/cm² = 0.0583 W/m²
UVA (EU) ( 315 nm - 380 nm)	12.5 µW/cm² = 0.125 W/m²
UVA2 (medical definition) ( 320 nm - 340 nm)	2.78 µW/cm² = 0.0278 W/m²
UVA (US) ( 320 nm - 380 nm)	9.19 µW/cm² = 0.0919 W/m²
UVA1 (variant) ( 335 nm - 380 nm)	6.71 µW/cm² = 0.0671 W/m²
UVA1 (medical) ( 340 nm - 400 nm)	317 µW/cm² = 3.17 W/m²
vis. UVA ( 350 nm - 380 nm)	5.9 µW/cm² = 0.059 W/m²
VIS Rep3 ( 350 nm - 600 nm)	1280 µW/cm² = 12.8 W/m²
VIS Rep4 ( 350 nm - 700 nm)	1550 µW/cm² = 15.5 W/m²
purple ( 380 nm - 420 nm)	454 µW/cm² = 4.54 W/m²
VIS ( 380 nm - 780 nm)	1560 µW/cm² = 15.6 W/m²
VIS2 ( 400 nm - 680 nm)	1210 µW/cm² = 12.1 W/m²
PAR ( 400 nm - 700 nm)	1230 µW/cm² = 12.3 W/m²
tmp ( 400 nm - 1100 nm)	1270 µW/cm² = 12.7 W/m²
blue ( 420 nm - 490 nm)	314 µW/cm² = 3.14 W/m²
green ( 490 nm - 575 nm)	378 µW/cm² = 3.78 W/m²
yellow ( 575 nm - 585 nm)	51.5 µW/cm² = 0.515 W/m²
orange ( 585 nm - 650 nm)	271 µW/cm² = 2.71 W/m²
red ( 650 nm - 780 nm)	94.2 µW/cm² = 0.942 W/m²
IR2 ( 655 nm - 685 nm)	48.5 µW/cm² = 0.485 W/m²
IRA ( 700 nm - 1400 nm)	33.5 µW/cm² = 0.335 W/m²
IRB ( 1400 nm - 3000 nm)	0 µW/cm² = 0 W/m²

Erythema	11.3 UV-Index
Pyrimidine dimerization of DNA	53.3 µW/cm²
Photoceratitis	15.8 µW/cm²
Photoconjunctivitis	1.25 µW/cm²
DNA Damage	2.79
Vitamin D3	42.5 µW/cm²
Photosynthesis	831 µW/cm²
Luminosity	3560 lx
Human L-Cone	532 µW/cm²
Human M-Cone	441 µW/cm²
Human S-Cone	279 µW/cm²
CIE X	488 µW/cm²
CIE Y	494 µW/cm²
CIE Z	522 µW/cm²
PAR PPFD	60.6 µmol/m²/s
Extinction preD3	158 e-3*m²/mol
Extinction Tachysterol	540 e-3*m²/mol
Exctincition PreD3	81400 m²/mol
Extinction Lumisterol	73 m²/mol
Exctincition Tachysterol	683000 m²/mol
Extinction 7DHC	80.8 m²/mol
L-Cone	451 µW/cm²
M-Cone	432 µW/cm²
S-Cone	513 µW/cm²
U-Cone	738 µW/cm²
UVR - ICNIRP 2004	12.4 Rel Biol Eff
Melatonin Supression	419 µW/cm²
Blue Light Hazard	317 µW/cm² (89 µW/cm² per 1000 lx)
CIE 174:2006 PreVit D3	47 µW/cm²
Lumen Reptil	4620 "pseudo-lx"
Vitamin D3 Degradation	21.2 µW/cm²
Actinic UV	12.2 µW/cm² (34.3 mW/klm)
Exctincition Lumisterol	87900 m²/mol
Exctincition 7DHC	97900 m²/mol
Exctincition Toxisterols	7570 m²/mol
UV-Index2	10.7 UV-Index (285-400nm)

Solarmeter 6.2 (UVB, pre 2010)	90.5 µW/cm²
Solarmeter 6.5 (UV-Index, pre 2010)	12.2
Leybold UVB	71.6 µW/cm²
Leybold UVA	33.8 µW/cm²
Leybold UVC	0.404 µW/cm²
DeltaOhm UVB	63.9 µW/cm²
DeltaOhm UVC	13.9 µW/cm²
Vernier UVB	52 µW/cm²
Vernier UVA	17.1 µW/cm²
Gröbel UVA	16.5 µW/cm²
Gröbel UVB	57.8 µW/cm²
Gröbel UVC	0.583 µW/cm²
Luxmeter	3640 lx
Solarmeter 6.4 (D3)	38.2 IU/min
UVX-31	74.4 µW/cm²
IL UVB	0.0415 µW/cm²
IL UVA	21.8 µW/cm²
Solarmeter 6.5 (UVI, post 2010)	8.74 UV-Index
Solarmeter 6.2 (UVB, post 2010)	42 µW/cm² (Solarmeter Ratio = 4.81)
Solarmeter AlGaN 6.5 UVI sensor	68.8 UV Index
GenUV 7.1 UV-Index	3.28 UV-Index
Solarmeter 10.0 (Global Power) (manuf.)	14.8 W/m²
Solarmeter 4.0 (UVA)	2.23 mW/cm²
LS122 (manuf.)	0.0343 W/m²
ISM400 (first guess)	9.18 W/m²
LS122 (assumption)	0.454 W/m²
ISM400_new	7.3 W/m²
Solarmeter 10.0 (Global Power) (assumption)	13.4 W/m²