Apogee Instruments SP-215 Panduan Pemilik - Halaman 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.