Net Radiometer CNR4

Net Radiometer (CNR4) - four-component net radiometer for meteorology, agriculture and hydrology

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Robust and reliable sensor for measuring the radiation balance. Combination of two pyranometers to measure short-wave incoming and short-wave reflected radiation and two pyrgeometers to measure up-and-down long-wave far-infrared radiation (FIR).

An application example can be found in the project Intensive Measuring Area Ebergötzen (Uni GÖ).

  • Four-component net radiometer
  • Combination of pyranometer and pyrgeometer in one device
  • short- and long-wave radiation measurement
  • integrated temperature sensors (Pt100 and thermistor) for calculated temperature compensatio
  • large field of view
  • virtually maintenance-free
Sensitivity:    7 to 20 µV/W/m² shortwave
  5 to 10 µV/W/m² long waves
Spectral range: 300 to 2800 nm shortwave
  4.5 to 42 µm long waves
Field of view: 180 ° shortwave
  150 ° long waves (lower sensor)
  180 ° long waves (upper sensor)
Output: analog (4 signal outputs), temperature
Cable length: 10 m (optional 20 m or 50 m)