{"id":341596,"date":"2020-01-01T21:26:00","date_gmt":"2020-01-01T20:26:00","guid":{"rendered":"https:\/\/hunterlab.de\/color-measurement-of-high-visibility-clothing-according-to-din-en-iso-20471\/"},"modified":"2025-10-24T17:59:38","modified_gmt":"2025-10-24T16:59:38","slug":"colour-measurement-of-high-visibility-clothing-according-to-din-en-iso-20471","status":"publish","type":"post","link":"https:\/\/www.hunterlab.eu\/en\/colour-measurement-of-warning-clothing-according-to-din-en-iso-20471\/","title":{"rendered":"Colour measurement of high visibility clothing according to DIN EN ISO 20471"},"content":{"rendered":"

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\"ColorFlexIn addition to the size and shape of the clothing and the position of the retroreflective stripes, the DIN EN ISO 20471<\/strong> standard<\/a> for high-visibility clothing<\/strong> also specifies the requirements for the color and luminosity of the material. These must be met in particular after various test procedures with regard to stress and ageing, as well as in use after each cleaning, before delivery.<\/p>\n

Both the portable MiniScan EZ (4500L)<\/strong> handheld device and the ColorFlex EZ laboratory device<\/strong> from HunterLab are ideal for measuring the color of high-visibility clothing<\/strong>. These double-beam spectrophotometers have a 45°\/0° measuring geometry<\/a><\/strong> in accordance with the standard<\/a> and can output the measured values with standard<\/a> illuminant D65 and 2° observer function<\/strong>. The black glass from the device accessories has the required reflectance of less than 0.04<\/strong> and can be used as a background for the single-layer fabric.
\nAs the illumination in these devices is ring-shaped, a single measurement is sufficient even with retroreflective material<\/strong> instead of the four vertical measurements otherwise required by the standard<\/a>.<\/p>\n

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\"Screenshot-colorLab-CIE+standardThe result of each measurement can be read directly on the display of the device with the values x, y and Y (or β)<\/strong> and the individual measurements can be saved and exported in the device.<\/p>\n

The measurement is much easier if the devices are connected to a PC and evaluated using the colorLab quality control software<\/strong>: A pass\/fail display<\/strong> immediately shows whether the range of the standard<\/a> is being adhered to or not. The software is also ideal for creating clear documentation<\/strong> on the condition of clothing. With the very clear and intuitive user interface<\/strong>, various displays can be selected for the measured samples.<\/p>\n

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\"Screenshot-colorLab\"The advantages of the colorLab software<\/strong> are obvious:<\/p>\n