TQC SHEEN Hardness test pen type, complete kit with 3 springs and tip dia 1mm

The TQC Hardness Pen is a pocket instrument for testing the hardness and wear/scratch resistance of materials such as coatings, lacquers, plastics or related products. A tungsten carbide tip is drawn over the surface with a defined constant pressure. The pressure on the tip can be changed using the slide or by changing the spring. A visual mark on the surface after use of the TQC Hardness Pen indicates a fail of the surface hardness or wear/scratch resistance. Can be used on flat and curved surfaces. The Standard version is supplied with 3 springs and one tip:0 3N, graduation 10 g 0 10N, graduation 50 g 0 30N, graduation 150 g Tip 1mm