Tru-Blue II Hardness Tester
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Since 1984, United has manufactured computer-controlled closed loop Hardness testers. Our second generation Hardness tester, the Tru-Blue II is the lowest priced US manufactured closed loop tester that meets ASTM E18, ISO 6508 specifications and NIST recommendations.

The Tru-Blue II comes standard with a Direct certification of the hardware calibration with NIST traceability and a factory one-year indirect calibration for customer specified hardness testing scales. The tester can be put into operation without the need for an additional on-site calibration or manufacturers assistance!

Having no dead weights, pivot points and knife edges to move out of adjustment, the Tru-Blue II can be moved to a new location without having to be re-calibrated. When mounted on United's optional mobile stand, the Tru-Blue II is transportable to different locations.

Tru-Blue II Brochure

Tru-Blue Universal Features

rockwell tester

    • Same as Tru-Blue II
    • Test Forces in Kg.:2, 2.5, 4, 5, 6.25, 7.8125, 10, 15.625, 20, 30, 31.25, 40, 62.5, 100, 120, 125, 150, 187.5 and 250.
    • Test Dwell Settings selectable in 1 sec. increments: 5-30
    • Direct reading of one Brinell range.
    • Test Forces in Kg: 3, 5, 10, 30, 50, 100, and 120.
    • Test Dwell Settings selectable in 1 sec. increments: 5-30
    • Direct reading of one Vickers range.

MetTech offers a full line of hardness accessories

    • Hardness TesterRockwell, Brinell and Micro hardness test blocks: All test blocks come with a certification sheet containing all the necessary calibration information.
    • Rockwell diamond indenters: Scales A, C and N. All diamond indenters come with certifications.
    • Heavy load Vickers and Micro hardness diamond indenters: ¼ , 7mm and 8mm shank sizes and Tukon.
    • Carbide ball indenters: 1/16, 1/8, ¼ and ½ inch. 2.5, 5 and 10mm.
    • Anvils and support devices: Spots, flats, "V", Vari and Jack rests.
    • Additional accessories: 2 inch roll mini serial and parallel printers, stationary and mobile stands, foot switch to activate test cycle, mini PS/2 keyboard.

• 15 regular scales. • 15 superficial scales. • 5 preset load dwell times including plastics. • Computer controlled application of loads.(closed-loop) • Force measured via load cell • Display resolution: points, tenths and hundredths. • Serial, A Parallel for Dot Matrix printing & PS/2 Connections. • Statistics Scale: Avg, range, min/max, Std deviation and number of tests. • Vacuum fluorescent display. • Automatic cylindrical correction. • Scale to scale conversion. • Parts IN/OUT limit alert. • Bi-directional loading capability. • Parts clamping device. • Factory direct certification: Depth, load, hysteresis & timing. • Factory indirect certification: B, C, 30N & 30T. Additional scales available. • CE approved. • 2-year warranty. • Vertical capacities: 10, 14, 18 & 20 inches.Custom vertical heights available. • Throat depth: 5.5 in 120-240 VAC, 50/60 Hz. Single phase, 1 amp.

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