Pyranometer: for measurement of total hemispherical solar (beam plus diffuse) uv radiation in the wavelength range of approx. 300 to 3000 nm with one precision hemispherical glass cover, black detector surface with thermopile assembly, housing made of anodized aluminium. - Dimensions (WxH): 79 x 67 mm - weight: 0.6 kg - spectral range: 315 to 2800 nm - sensitivity: 5 to 15 µV / W/m² (temperature dependence <5% between -40 and +40°C) - impedance: 79 to 200 Ohm - tilt error: < ±2 % @ 1000W/m² - fit for use: -40 to 80 °C - 461101: pyranometer CMP 3 (ISO second class pyranometer), with calibration certificate