310 Simmons Suite L, Knoxville, TN 37922

865 – 288 – 7150

Window Tint Metering

How do tint meters work, and where are they used?
Visible light transmission (VLT) in tinted windows refers to the amount of visible light transmitted to pass through the window. So, when you see a window tint being referred to as a percentage, this refers to the VLT.

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So, if you see values of 5% VLT, the tinted window is dark and only lets 5% of visible light through. While 80% VLT means the tinted window is light and allows in 80% of visible light. The range of VLT is from 0% to 100%, with a low reading indicating a small amount of light passing through while a high reading indicates a large amount of light passing through.

Window Tint meters work by shining a beam of light at 550 nanometers from the instrument sensor through the window to the optical sensor. As the window intercepts the beam, the meter will measure the light that passes through and give a reading in VLT. Testing VLT is essential to ensure the driver’s visibility of other cars, cyclists, objects, and pedestrians isn’t reduced and obscured.

Some of the questions we get at Turkey Creek Tinting:

  •  What is the percentage of my window film?
  •  Can we match the window film on your vehicle?
  •  Can you check the tint percentage of my window film if I am not a customer at Turkey Creek Tinting?

The answer is always YES! Come by, and we can meter it for you!

When you are ready to get your windows tinted and want to match the factory tint on the rear windows, you can rest assured we can match that!