POM-01 Skyradiometer measures circumsolar radiation and spectrum intensity of the direct solar radiation for the research of the size distribution and concentration of the aerosols.

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POM II Sky Radiometer

Key features

  • Size distribution and concentration of the aerosols can be measured.
  • Operated in all over the world
  • Ideal for the combination with LIDAR and Sky View Camera

Sensor part is loaded on the sun tracker, and it automatically follows the direction of the sun by the sun sensor.

Measured data care stored to the PC after the process by the micro processor.

In addition to the features of POM-01, filters for the long wavelengths and a feature of cloud measurement are added.

Technical specification


Half Field of View 0.5 degrees
Minimum scattering angle 3 degrees
Wavelengths 11 wavelengths: 315, 340, 380, 400, 500, 675, 870, 940, 1020, 1627, 2200nm
Wavelength selection Filter wheel method
Detector Short wavelengths: Silicon photodiode, Long wavelengths: InGaAs element
Driver Pulsemotor
Azimuth angle +/- 300 degrees (South 0 deg)
Zenith angle -60 to 160 degrees (Horizontal Level 0 deg)
Sun sensor 4 element silicon sensor
Measurement modes Direct solar radiation mode, Scattering solar radiation mode
Communication interface RS232
Power consumption 200W (100V/2A)
Power 100 - 240 VAC / 2A
Weight Skyradiometer: 19kg, Cable etc: 4kg

Cable specification

Cable length 20m (50m Option)
Weight 10kg
Power cable S-VSVC 3 core 2.0
Diameter 8.5Φ
Communication cable S-VSVC 5 core 0.2
Diameter 5.0Φ