Basic features:

  • ISO 9060 First Class Pyrheliometer
  • Ultrafast < 1 s response detector to detect quick radiation changes due to clouds and aerosols
  • Excellent temperature stability and temperature compensation to be used in a wide temperature range
  • Outdoors calibration under real solar conditions
  • Double temperature sensor (PT-100 / YSI 44031 10kΩ)
  • Efficient window heater to prevent dew and frost (0.3W)