Mã: CMA 11 Danh mục:

Mô tả

CMA 11 complies with the highest level of ISO classification, Secondary Standard. Is recommended for scientific applications, for which accuracy needs to be according to the highest standards. The lightweight design makes CMA albedometers ideal for portable applications such as on snow and ice fields

The white sun shield prevents the body of the albedometer from heating up. The conical lower glare screen prevents direct illumination of the lower glass dome at sunrise and sunset.

A bubble level is fitted and a screw-in drying cartridge keeps the interior free from humidity. The screw-in drying cartridge is easy to remove and the replacement desiccant is supplied in convenient refill packets.The signal cable has a waterproof connector for ease of installation. All albedometers are supplied with a calibration certificate traceable to the World Radiation Centre.

Product Specification


Spectral range285 to 2800 nm
Sensitivity7 to 14 µV/W/m²
Response time< 5 s
Zero offset A< 7 W/m²
Zero offset B< 2 W/m²
Directional error (up to 80° with 1000 W/m² beam)< 10 W/m²
Temperature dependence of sensitivity (-10 ºC to +40 ºC)< 1 %
Operating temperature range-40 to +80 °C
Maximum solar irradiance4000 W/m²
Field of view180 °

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