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Products  > United Testing Tru-Blue Grinder Polisher

United Testing Tru-Blue Grinder Polisher

eed accurate and repeatable Vickers & Knoop microhardness test results? Looking to perfect the surface of your metal and alloy samples for Vickers & Knoop microhardness testing? Introducing United Testing System’s Tru-Blue Grinder & Polisher! 


The Tru-Blue GP is quick and easy to use, offers a corrosion resistant cover, and comes with dual disk design. To find out more about the technical components of our system, click here.

The Tru-Blue GP is available as a stand-alone instrument, can be added to an existing lab, or you can choose to use it alongside the brand-new Tru-Blue MicroVT – a state-of-the-art Vickers & Knoop microhardness testing system.

Take a look at our suite of Vickers & Knoop microhardness testing solutions – all designed to make it easier for you to get the results you need: 

Tru-Blue MicroVT – our brand new Vickers & Knoop microhardness tester
Tru-Blue Sample Mounting Press
Tru-Blue Sample Cutter 

Invest in the Tru-Blue collection to achieve accurate and repeatable Vickers & Knoop microhardness testing results. 


SKU: Tru-Blue Grinder Polisher

Applications: Hardness Testing, Materials Testing, Microhardness Testing

Materials: Aluminum, Metals, Steel, Tinplate

Dimensions: 27.5 in x 24.8 in x 15.7 in (70 cm x 63 cm x 40 cm)

Bench Weight: 110 Lbf (50 kg)

Ship Weight (w/ Accessories): 198 lbf (90 kg)

Motor: 0.55 KW

Wheel speed: 100 -500 rpm (adjustable)

Power: 220 Volt, 50 Hz

Disc diameter: 200 mm (250 mm optional)

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Spares and Accessories

UTS True Blue II Mobile Floor Stand

The Tru-Blue II mobile stand provides a sturdy base and makes it easy to move the tester from one location to another.

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