Apogee Instruments SP-215 Gebruikershandleiding - Pagina 8
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Spectral Response
Temperature Response
Spectral response estimate of Apogee
silicon-cell pyranometers. Spectral
response was estimated by multiplying
the spectral response of the photodiode,
diffuser, and adhesive. Spectral
response measurements of diffuser and
adhesive were made with a
spectrometer, and spectral response
data for the photodiode were obtained
from the manufacturer.
Mean temperature response of four
Apogee silicon-cell pyranometers.
Temperature response measurements
were made at approximately 10 C
intervals across a temperature range of
approximately -10 to 50 C under
sunlight. Each pyranometer had an
internal thermistor to measure
temperature. At each temperature set
point, a reference blackbody
pyranometer was used to measure solar
intensity.