Skip to content

Spectra-PT Power Tunable Portable Luminance Test and Calibration Reference Source

The PT-038-PLS delivers uniform and stable luminance when you need it, where you need it.

Source of:

·      Broadband Spectral Radiance
·      Luminance
·      High Uniformity
·      High Dynamic Range

PT-038-PLS  is a product of Shanghai Labsphere Optical Equipment.


Request a QuoteNeed it Customized?


  • Radiance Port Dimension 3.8 cm
  • Luminance Range 1~5000cd/m2
  • Spatial Luminance Uniformity >97%
  • illuminant Type Quartz Tungsten Halogen
Spectra-PT key points