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HEV Blue Light Demonstrator and Lens Tester

Show your patients the possible damage to their eyes from HEV (high energy visible) light – including blue light. Can also be used to demonstrate HEV filtration by Blue Light filtering lenses.

Features

This blue light tester shows how your lenses block the blue light between 400nm to 420nm.

Technical Parameters

  • UV light: 375nm
  • Laser light: 405nm
  • Blue LED: 470nm
  • Green LED: 520nm
  • Yellow LED: 590nm
  • Red LED: 620nm
  • Batteries and AC adapter are both available.
  • Dimension:36*24*15cm
  • Weight:1.4kg 

blue ray tester

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