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  ProductsLight Measurement WALRUS Hyperspectral Radiometer Buoy 

WALRUS Hyperspectral Radiometer Buoy

UV-Visible
Configuration

  • Calibrated Wavelength Range: 350 nm to 850 nm
  • Pixel Resolution: 0.30 to 0.35nm
  • Entrance aperture: 50 µm wide slit
  • Order sorting filters: Yes
  • Stray light: <0.05% at 600 nm; <0.10% at 435 nm
  • Fixed integration time dynamic range: 200:1
  • Variable integration time dynamic range: 5 x 105:1
  • Integration time: 21 milliseconds to 60 seconds
  • Irradiance sensitivity at 1 second integration: 10-5 W/m2/nm at 600 nm; 4x10-5 W/m2/nm at 435 nm
  • Radiance sensitivity at 1 second integration: 10-6 W/m2/nm/sr at 600 nm; 1.5x10-6 W/m2/nm/sr at 435 nm

 Reflection Efficiency of Standard Spectrometer Grating

 

Visible-NIR
Configuration

  • Calibrated Wavelength Range: 400 nm to 1000 nm
  • Pixel Resolution: 0.30 to 0.35nm
  • Entrance aperture: 50 µm wide slit
  • Order sorting filters: Optional
  • Stray light: <0.05% at 600 nm; <0.10% at 435 nm
  • Fixed integration time dynamic range: 200:1
  • Variable integration time dynamic range: 5 x 105:1
  • Integration time: 21 milliseconds to 60 seconds
  • Irradiance sensitivity at 1 second integration: 8x10-6 W/m2/nm at 600 nm; 4.5x10-5 W/m2/nm at 435 nm
  • Radiance sensitivity at 1 second integration: 8x10-7 W/m2/nm/sr at 600 nm; 1.7x10-6 W/m2/nm/sr at 435 nm

Reflection Efficiency of Near-IR Spectrometer Grating

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All specifications subject to change without notice.