Hukseflux SR20 Thermopile Pyranometer
• ISO 9060: Secondary Standard
• Class A
• For Global Horizontal Irradiance (GHI) measurements (W/m2)
• Sunshine duration (optional)
• Output signal: -0.1, ... 50 mV
• With Pt100 (T1 version) or 10 kOhm thermistor (T2 version)
• Measurement range: 0 W/m² to 4000 W/m²
• Spectral range: 285 to 3000 nm
• Incl. calibration sheet with each sensor defines output in microvolts per Watt/square meter; traceable to World Radiometric Reference (WRR)
• Directional error (1000 W/m2 beam): ± 10 W/m2
• Zero offset only 5 W/m²
• Response time 4.5 sec
• With heating
• Sensitivity range: 7 to 25 x 10-6 V/(W/m2)
• Sensitivity (nominal): 15 x 10-6 V/(W/m2)
• Non-linearity (to 1000 W/m2): < ± 0.2 % (100 to 1000 W/m2)
• Non stability (drift): < ± 0.5% change per year
• Temperature dependence: < ± 1 % (-10 to +40 °C); < ± 0.4 % (-30 to +50 °C) with correction in dataprocessing
• Incl. 5 m (16.4') cable. Longer cable, in multiples of 5 m available at an additional price.
Datasheet
