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ISO 9846, Solar energy -- Calibration of a pyranometer using a pyrheliometer, is the ISO standard for the calibration of a pyranometer using a pyrheliometer.[1]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Hukseflux_Solar_Radiation_DR03.jpg/220px-Hukseflux_Solar_Radiation_DR03.jpg)
References
edit- ^ "ISO 9846:1993 - Solar energy -- Calibration of a pyranometer using a pyrheliometer". www.iso.org. Retrieved 2018-07-04.