Kipp & Zonen - CMP 22, the best secondary standard pyranometer available

By: Kipp & Zonen  09-12-2011
Keywords: Operating Temperature Range

High-end product

Negligible thermal gradient
zero-offsetLowest zero-offset due to
FIR radiationBroadened spectral range 200 - 3600 nm
Directional error < 5 W/m²

CMP 22 has all the features of CMP 21 but uses very high quality quartz domes for a wider spectral range, improved directional response, and reduced thermal offsets. Because of the high optical quality of these domes the directional error is reduced below 5 W/m². Kipp & Zonen is confident that CMP 22 is the best pyranometer currently available.

A waterproof socket is fitted for the signature yellow signal cable, which is available in a range of lengths pre-wired to the waterproof plug.

The integral bubble level is raised to the top of the housing and can be viewed without removing the redesigned snap-on sun shield, which also covers the connector. The screw-in drying cartridge is easy to remove and the replacement desiccant is supplied in convenient refill packets.

Spectral range 200 to 3600 nm
Sensitivity 7 to 14 µV/W/m²
Response time 5 s
Zero offset A < 3 W/m²
Zero offset B < 1 W/m²
Directional error (up to 80 ° with 1000 W/m² beam) < 5 W/m²
Temperature dependence of sensitivity (-20 ºC to +50 ºC) < 0.5 %
Operating temperature range -40 °C to +80 °C
Maximum solar irradiance 4000 W/m²
Field of view 180 °

Keywords: Operating Temperature Range

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