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Phase II Rockwell Hardness Twin Tester

  • The 900-370 Phase II Rockwell Hardness Twin Tester, digitally computes standard Rockwell and Superficial Rockwell Hardness scales in one versatile tester.

  • The easy to use interface converts hardness scales with a push of a button.

  • Complete micro computer controlled operation drives this hardness tester to highly sensitive and accurate readings.

  • Conforming to ASTM E-18 Rockwell and Superficial Rockwell standards, the 900-370 will offer unmatched repeatability in all standard and superficial Rockwell Hardness scales (Listed Below).

  • A top of the line performer suited for any environment including heat treat facilities, tool rooms, workshops, laboratories and inspection labs.

  • Lifetime technical support is included on all Phase II hardness testers.

  • The 900-370 is truly a "world class" hardness tester providing a level of confidence and accuracy you will only find at Phase II.

  • Digitally computes regular Rockwell® and Superficial hardness scales in one versatile tester
  • Easily converts scales with the push of a button
  • Complete micro-computer controlled operation affords highly sensitive and accurate readings
  • Extended memory of up to 9999 test results
  • Conversions to: Brinel and Vickers hardness scales
  • Built-in mini printer
  • Conforms to ASTM E-18


  • Diamond Conical Indentor

  • 1/16" Ball Indentor

  • 2- HRC Test Blocks

  • 1- HRB Test Block

  • 1- HR30N Test Block

  • 1- HR30T Test Block

  • Test Table 5.87" (150mm)

  • Flat Anvil 2.5" (63mm)

  • Spot Anvil .38" (10mm)

  • Std. Vee Anvil

  • Built-in Micro printer

  • RS232 Serial Port/Data Cable

  • Digital Test Counter

  • Statistics (avg, min, max, range, sd)

  • Accessory Case

  • Dust Cover

Minor Load 3 Kgf, 10 Kgf
Major Load 15Kgf 60 Kgf 30 Kgf 100 Kgf 45 Kgf 150 Kgf
Test Force Application Dead Weight
Test Force Control Motorized
Results Display Digital Readout
Vertical Capacity 7.0 in.
hroat Depth 6.2 in.
Height 31.4 in.
Width 21.6 in.
Depth 10.2 in.
Shipping Weight 150 lbs.

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