Model SPP-1019 and SPP-1020 -Scratch Hardness Tester

For determining the scratch hardness of ready mixed paints and enamels, which is the minimum load required to produce a scratch showing the bare metal surface of the painted panel. The apparatus consists of a 1mm dia hemispherical stainless steel needle, fixed to a platform of a counter- balanced rod, which is assembled on a grooved platform. A rack moves through the groove, to which a painted panel can be clamped. An indicator lamp is provided to indicate the metal contact if the Needle penetrates the paint surface to make contact with the metal. Complete with 1 kg weight. Suitable for operation of 230 V, 50 Hz, single phase, AC supply. Needle Weight, 2 kg Optional Extras.