United Tru-Blue II Hardness Testing System

Since 1984, United has manufactured computer-controlled closed loop Rockwell testers. Our second generation Rockwell 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 one-year indirect calibration for customer specified hardness scales. Along with a user friendly control panel, the tester can be put into operation without the need for an initial 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 becomes portable for use in different departments.

Tru-Blue II Features:

  • 15 regular scales.
  • 15 superficial scales.
  • 5 preset load dwell times including plastics.
  • Computer controlled application of loads.
  • Display resolution: points, tenths and hundredths.
  • Serial, Parallel & PS/2 Connections.
  • Statistics: Avg, range, min/max, Std deviation and number of tests.
  • Vacuum fluorescent display.
  • Cylindrical correction.
  • Hardness value conversion.
  • Parts IN/OUT limit alert.
  • Bi-directional loading capability.
  • Parts clamping device.
  • Direct certification: Depth, load, hysteresis & timing.
  • 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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