Apogee Instruments DLI-400 - Page 8

Radiation Source
DLI-400
DLI-500
DLI-600
PPFD Error [%]
PPFD Error [%]
ePPFD Error [%]
Clear Sky
0.0
0
1.8
Overcast
0.2
0.1
1.9
CWF T5
7.2
0.1
-1.2
Metal Halide
6.9
0.9
0.0
Ceramic Metal Halide
-8.8
0.3
-0.4
Mogul Base HPS
0.9
0.0
-0.4
Dual-ended HPS
-6.8
-0.1
-0.1
CW LED
9.4
0.9
-1.6
WW LED
-7.8
0.2
-1.0
Blue LED (442 nm)
12.1
-1.9
-3.3
Cyan LED (501 nm)
27.7
3.6
-1.4
Green LED (529 nm)
29.4
2.9
-1.4
Amber LED (598 nm)
2.0
-0.8
-1.0
Red LED (666 nm)
-55.8
2.7
-1.0
Federer, C. A., and C. B. Tanner, 1966. Sensors for measuring light available for photosynthesis. Ecology 47:654-
657.