The primary radiation sensor SG-IRR210B is equipped with a monocrystalline cell , which measures the insolation on the basis of the inclination and orientation of the photovoltaic modules.
It 'can be used in any climate.

SunGuard Sensor Box is connected to via a cable to a maximum distance of 2.5 meters. The sensor cable has two wires, UV-resistant.
The measuring range of the SG-IRR21B is 50 to 1500 W/m2.
The accuracy of this instrument is ± 5% on an annual basis. The insulation class is IP65.