Apogee Instruments PYRANOMETER SP-421 Посібник користувача - Сторінка 7
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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.
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