900-366, Digital Rockwell Hardness Tester TALLBOY

Phase II PlusSKU: 900-366


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Model No. 900-366
This digital Rockwell hardness tester with fully automated load/unload procedures affords highly sensitive and accurate readings. Micro computer controlled with USB output to built-in mini printer or PC. The 900-366 digital Rockwell hardness tester offers programmable scale conversions, dwell times, statistical capabilities and test counter. Capable of testing in all of the regular Rockwell® scales.

Automatic conversions to: HRN, HRT, HB, HV, HLD and ?b.


  • Easily obtain Average, Min/Max, S, R
  • Menu selectable system
  • Upper/Lower Limit Settings
  • Memory of 500 test results
  • Curved Surface Auto Correction


Minor Load

10 Kgf

Major Load 60 Kgf, 100 Kgf, 150 KGF
Test Force Application Dead Weight
Test Force Control Motorized
Results Display Hi Def LCD Digital Readout
Resolution 0.1HR
Memory/Output 500 Tests/USB
Vertical Capacity 16.5"
Throat Depth 6.50"
Height 28.34"
Width 7.87"
Depth 21.60"

Standard Accessories:

  • C-scale Diamond Indenter
  • 1/16" Ball Indenter
  • Built-in Mini Printer
  • Test Table 5.87" (150mm)
  • Flat Anvil 2.5" (63mm)
  • Std. Vee Anvil
  • Accessory Case
  • Dust Cover
  • 3 piece-HRC test blocks
  • 1 piece-HRB test block
  • 1 piece-HRA test block


The 900-366 digital Rockwell hardness tester comes complete with everything needed to test in the following Rockwell Scales: A, B, C, D, F, G.
Other Rockwell Scales can be achieved with optional indentors!

Key performance parameters

  • Preload: 98.1N (10kgf)
  • Total test force: 588.4N(60kgf)?980.7N(100kgf)?1471N(150kgf),
  • Conversions: The 900-366 digital Rockwell hardness tester can convert the measured Rockwell hardness value to other scales or even tensile strength. Example: the value of HRA scale can be automatically converted into HBS, HBW, HV and HK value; Convert the value of HRB scale into HB10, HB30, HV, HLD, ?b and HK value; Convert the value of HRC scale into HBS, HBW, HV, HLD, HR15N, HR30N, ?b and HK value; Convert the value of HRD scale into HV, HK, HB value; Convert the value of HRE scale into HV, HK, HB value; Convert the value of HRF scale into HV, HB value.
  • Load cycle: 3?8s
  • Load dwell duration: 2?50s
  • Resolution: 0.1HR
  • Display: High definition backlight LCD
  • Operation: Menu selectable, Membrane keypad
  • Auxiliary functions: Upper/lower limits setting& alarming,
    Data statistics, Avg., Max., Min., S, R,
    Scale conversion, HV, HB, ?b, etc.
    Curved surface Auto Correction
  • Data output: Print out, or output to PC through USB port
  • Memory: Max 500 items of test results stored automatically
  • Testing Capacity: Vertical: 7.87" Throat Depth: 6.50"
  • Dimensions: Height: 21.65" Width: 10" Depth: 36.6"
  • Power supply: single phase, AC, 110V, 50?60Hz, 4A
    Prior to ship, please advise power setting needed.
  • Net weight: 20 lbs (100kg)
  • Shipping Weight: approx. 300 lbs

digital rockwell hardness tester





















Test parameter setting
Load dwell setting
Limit setting
Data statistics
Scale conversion
Browse through/print from memory
Testing: Preload
Automatic testing




Related Products

  1. For testing very thin, soft metals, please click here for the Phase II Superficial Rockwell Hardness Tester, 900-340.
  2. For testing of both Rockwell and Superficial Rockwell scales, click here for the Phase II 900-370.
  3. For the standard Analog Phase II Rockwell Hardness Tester, click here 900-331.

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