Automatic Digital Rockwell/Superficial Rockwell Hardness Testers- Automatic Hardness Testers


Also available with Direction Verification to ASTM E18-20 Meets the latest NADCAP specifications too. Click on “Choose an Option” to add Direct Verification to your order. Here is what comes with direct verification:
  • 1pc USA made certified diamond indenter
  • 1pc USA made certified 1/16″ ball indenter
  • 4pc ASTM Certified Superficial Rockwell test blocks
  • 3pc NIST certified Rockwell C scale test blocks
  • 1pc ASTM certified Rockwell B scale test blocks
  • 1pc full form calibration certificate
  • 1pc full form factory Direct Verification certificate
Features: This digital Rockwell/Superficial Rockwell hardness tester with fully automated load/unload procedures affords highly sensitive and accurate readings. Micro computer controlled Touch Screen with USB output to PC. The 900-389 digital Rockwell hardness tester offers programmable hardness scale conversions, dwell times, statistical capabilities and test counter. This hardness tester comprises the very best in “state of the art” design along with dynamic precision only found at Phase II. The 900-389 Rockwell scale hardness tester is easy to operate, yet engineered to obtain highly sensitive and accurate readings. Conforming to ASTM E-18 Rockwell Hardness standards, the 900-389 rockwell hardness tester will offer unmatched repeatability in all standard and superficial Rockwell Hardness scales. A perfect, rugged 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. So test away with confidence and a level of accuracy you will only find at Phase II. . Capable of testing in ALL Rockwell hardness scales Touch the start symbol on the display. Raise Test Table ~Minor Load Application ~Major Load Application/Dwell/Release ~Rockwell Hardness Display~ Lowers Test table Direct Loading Method With Load-Cell  Instead Of Dead Weight System. High Speed Test Cycle and Extremely Accurate Loading Control
  • Automatic conversions to HB, HV, Other Rockwell Scales
  • Touch Screen selectable system
  • Upper/Lower Limit Settings
Minor Load 29.4N(3kgf), 98.1N (10kgf)
Major Load 147.1N(15kgf), 294.3N(30kgf), 441.3N(45kgf), 588.4N (60kgf), 980.7N (100kgf), 1471N (150kgf)  
Test Force Application Load Cell Closed Loop
Test Force Control Motorized
Results Display Hi Def LCD Digital Readout
Resolution 0.1HR
Vertical Capacity 5.50”
Throat Depth 5.90”
Height 700mm
Width 700mm
Depth 260mm
Weight 220 lbs
Accessories: Included

C-scale Diamond Indenter

1/16” Ball Indenter
3- HRC Test Blocks
1- HRB Test Block
1-HRN Test Block
1-HRT Test Block
Dust Cover
Accessory Case
  • Test resolution: 0.1HR Rockwell unit;
  • Operation temperature: 50° – 95°F (10ᵒC~35ᵒC)
  • Ambient environment: clean, no vibration, no strong magnetic field, and no corrosive medium;
  • Power supply: single phase, AC, 110-220 with manual change, 50~60Hz, 4A;
  • Machine dimension: 700mm×250mm×600mm.

Additional information

Model No.



With Direct Verification, Without Direct Verification