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Types of 3NH Geometric Test Charts Products

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FAQs About  Geometric Test Charts

To extend the life of a haze meter, keep the instrument dust-free and clean, regularly calibrate it, and control for a stable dry storage. For better results, avoid letting the optics dry, and leave the meters under sunlight. For optimal performance, have the meter professionally serviced once a year.

Use our 3nh company approved light. Replace all of the same type together and recalibrate to keep consistent color rendering. We usually do not recommend customers to modify it themselves, as this can affect the accuracy of the color and cause unnecessary losses


For accurate results, install a clean and well temperature-regulated booth that is also sheltered from reflective surfaces and direct sunlight. Ambient light in the booth and the surrounding area from where the light is being viewed should not mix.


You should not attempt measuring on surfaces that are dirty, oily, or rough, as these surfaces will not provide an accurate reading. Always calibrate the paint thickness tester and make sure to select the proper probe for the substrate as well. Proper execution will bring about consistency as well as trustworthiness to the readings.


The gloss meter is used to measure the gloss level: it is a device that directs the light at a fixed angle and reads the intensity of the reflected light. The angles, such as 60°, 20°, or 85°, are applied depending on the type of surface and the range of gloss.


Make sure the light sources are calibrated, keep extraneous light sources away, have the correct viewing angles, and handle the samples in a clean and uniform manner.


Further Geometric Test Charts Applications and Solutions

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