Low cost pyrgeometer with digital interface for accurate routine measurements in many applications.

Low cost pyrgeometer for accurate routine measurements in many applications.

The CG-4 pyrgeometer produced by Kipp & Zonen calculates incident longwave radiation.

Instead, a pyrgeometer is used to measure long-wave radiation (4 to 100 µm).

Whereas a transparent glass dome is used to measure shortwave irradiance, the CG-4 pyrgeometer uses a dark silicon dome which can only be penetrated by infrared radiation.