CMA6

The CMA6 complies with the second highest level, First Class. CMA6 is constructed around two CMP6 pyranometer sensors. Both sensors are contained in a single housing.

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Key features

ISO 9060:1990 First Class albedometer
Constructed around two CMP6 pyranometers
5 year warranty (*)

The CMA albedometers are significantly lighter than the previous models due to the completely new design and mounting rod. The reduced weight is important in portable applications such as measurements over snow and ice fields for investigation of global warming effects.

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.

(*) This product will need to be registered by the end-user within 6 months of purchase to activate the 5 year warranty.

Technical specification

Spectral range	285 to 2800 nm
Sensitivity	5 to 20 µV/W/m²
Response time	< 18 s
Zero offset A	< 10 W/m²
Zero offset B	< 5 W/m²
Directional error (up to 80° with 1000 W/m² beam)	< 20 W/m²
Temperature dependence of sensitivity (-10 °C to +40 °C)	< 4 %
Operating temperature range	-40 to +80 °C
Maximum solar irradiance	2000 W/m²
Field of view	180 °