Tint Meter - (TNM50)The Triplett Model TNM50 Tint Meter measures the transmittance of light for use on automotive windows, insulation paper, organic material, painting, coating material, film, glass, and plastic sheet. It can also measure the sun blocking capabilities of window curtains. It has a 0 to 100% transmittance range with a 0 to 1 4" (0 to 6. 5mm) thickness range and an accuracy of 2%. It features a power on self calibration. Readings are displayed on the 3