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999D Spectrum Lens Transmission Meter for Anti-blue Eyeglasses with UV400 VLT Blue & Violet Light Transmission

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$   320
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  • Description
  • Features:
    Test UV400 / VLT / blue and violet light transmittance Special for anti-blue and UV proof materials 1mm test aperture

    LS108 spectrum transmission meter is a professional optical transmittance tester for measuring the spectacle lenses, coating
    materials, organic materials, anti-blue light materials and other materials. The meter combines three measuring light paths into
    one. Users can select to measure the transmission rate or rejection rate. Four display interfaces can be switched. The 999D
    spectrum transmission meter uses a 395nm purple light source, a 430nm blue light source and a visible light source to illuminate
    the transparent material during test. The sensor detects incident light intensity of the three light sources and the light
    intensity after passing through the transparent material. The ratio of transmitted light intensity to incident light intensity is
    transmittance, displayed as a percentage.
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    999D Spectrum Lens Transmission Meter for Anti-blue Eyeglasses with UV400 VLT Blue & Violet Light Transmission
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