Apogee Instruments SU-220 Owner's Manual - Page 11
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Spectral Errors for UV Radiation Measurements with Apogee SU-100 UV Sensors
Radiation Source (Error Calculated Relative to Sun, Clear Sky)
Sun (Clear Sky)
Sun (Cloudy Sky)
Reflected from Grass Canopy
Reflected from Deciduous Canopy
Reflected from Conifer Canopy
Reflected from Agricultural Soil
Reflected from Forest Soil
Reflected from Desert Soil
Reflected from Water
Reflected from Ice
Reflected from Snow
Cool White Fluorescent (T5)
Metal Halide
High Pressure Sodium
Incandescent
Mercury Arc
Error [%]
0.0
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
< 0.5
9.0
2.8
-1.7
-3.3
17.8