active cavity radiometer

self-calibrating instrument used to measure solar irradiance

en-US/ˈæktɪv ˈkævɪti ˌɹeɪdɪˈɑmɪtɚ/
en-GB/ˈæktɪv kævɪtiː ɹeɪdɪɒmɪtə/

دسته بندی ها:

scientific instrumentpyrheliometer