The company also offers a Presto Scratch Hardness motorized tester. It is a suitable apparatus for conducting tests related to resistance to scratch under a specified load. The equipment can be used for a wide variety of products such as paints, lacquers and varnishes. The Presto Scratch Hardness tester is highly recommended for the paint and plating industry and has been designed for repetitive use in small industries and laboratories, where quality control tests need to be conducted.

The motorized model has been specially designed as a more user friendly version of the standard Presto Scratch Hardness Tester.  The scratch test is carried out either on a go/no go basis by testing at a single specified load on the Stylus or by increasing the load to determine the minimum load at which the coating can be penetrated. It is a durable and highly reliable instrument. The Presto Scratch Hardness tester strictly conforms to ISO standards and comes complete with instruction manual & conformance certificate.

Specification

• Size of sample: 130*70 mm

• Test Operation: Motorised

• Diameter of Needle: 1 ± 0.05 mm

• Load on Needle: 500gm, 300gm, 200gm

• Length of travel of stylus: 100 ± 8 mm

• Power: 220V, 50Hz, Single Phase

• Weight: 1 Kg (Higher Capacity on demand)

Features

• 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

• Standard: ASTM G171-03