The Kipp & Zonen CM 4 High Temperature Pyranometer is a radiometer specially designed for measuring solar or artificial light irradiance under the most extreme temperature conditions.
CMP 11 uses higher quality glass domes and a version of the detector technology originally developed for the CM 22 and is a step up in performance from the CMP 6.
The CMP 21 is a high performance research grade pyranometer, and is fully compliant with all ISO 9060 Secondary Standard Instrument performance criteria (highest possible ISO pyranometer performance category).
