Coating Thickness Knife Tester NOVOTEST TPN-2808 (Paint Inspection Gauge) is designed to measure the thickness of both single and multiple layer coatings on any grounds, both metallic and non-metallic. The operation principle is based on the local cut (notch) of the coating at the tested place of object with following thickness measurement of this coating. The thickness of coating is determined by the width of notch, it is possible because of the special form of cutter of the instrument. The measurement is performed by any portable measuring microscope with a suitable measuring range and discreteness.

Coating Thickness Knife Tester NOVOTEST TPN-2808 (Paint Inspection Gauge) complies with  ISO 2808, ASTM B 4138, DIN EN 1071-2.