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Scratch Hardness Tester – Motorized

Scratch hardness tester is a tool to check the resistance of the coating against the scratching due to external physical strain. In this test, a metal piece is coated with the sample of paint or varnish or lacquer that is to be tested. A needle is used to scratch the sample. A specified load is applied on the sample via needle as per the industrial requirements. The needle makes repeated attempt to scratch the sample. The sample is put to test by setting the number of movements of the needle. The test can be done on all type of coatings and other bulky materials like plastics, elastomers and rubbers.

Presto offers motorised model of scratch resistance tester to minimise the human interference. In this machine, there is a motorised assembly to move the needle to and fro, a specified weight is applied on the needle as per the industrial standards. This test determines the scratch resistance and wear and tear of the sample. This machine is widely used in laboratories, quality management departments of the manufacturing units.



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    • It’s an advance version with user friendly features.
    • It’s equipped with a motor of ½ HP along with digital display.
    • The instrument is available with various weights of 500g, 300g and 200g.
    • Capacity of the machine is 1 Kg. (Machines with higher capacities are also available on request)
    • Size of sample: 130*70 mm
    • Test Operation: Motorised
    • Diameter of Needle: 1 ± 0.05 mm
    • Length of travel of finger: 100 ± 8 mm
    • Power: 220V, 50Hz, Single Phase

    • Easy changeability of weights.
    • Provides accurate results in digital indicator.
    • It requires single phase power of 220-240V AC and 50Hz.
    • It ensures highly safe and convenient operations.
    • Motorized oscillating arm with Teflon rollers for noise free movement
    • Ergonomic design with Electronic controls
    • Highly accurate test results under uniform load and specified diameter.
    • Equipped with Teflon rollers to minimize friction
    • Fully Automatic testing through motorized system
    • Uniform load by weights on needle for evenness in testing
    • Firm holding of Test sample by Steel Clamping pins
    • Geared system for oscillating arm movement
    • Instant braking system
    • Light Indicator for sample failure notification






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