The INDENTRON® Series hardness testers feature an innovative cantilevered indenter configuration that eliminates frictional inconsistencies typical of competitive testing systems. Using precision dead weights, the INDENTRON system ensures precise, accurate and repeatable measurements. The dead weights are used for both the major load and the preload. Automation in the timing, reduces the variation introduced by the flow of the material under load. If the operator inadvertently over loads or under loads the preload, the INDENTRON system prevents the test from being performed.

The indenter design is ideal for testing inside diameters and recesses, often impossible with more traditional hardness testers. Inside diameters as small as 1 1/2-inches can be tested with the standard indenter. Optional indenters can test diameters as small as 1/2-inch. Operators can test close to vertical surfaces, to within 1/4-inch with the standard indenter and up to 3/32-inch with optional special indenters. Testing is fast, accurate and there are fewer broken diamonds due to an outstanding viewing area.

The INDENTRON Series is supplied with our advanced electronic console. The console is used for setup and for viewing test results and statistical results including mean, range, min/max, standard deviation and CPk. The INDENTRON 400 Series is available with regular Rockwell scale loads, superficial scale loads or a combination.


  • Meets ASTM E18
  • Easy-to-use and Comprehensive Display Console
  • Hi/Lo Tolerance Settings
  • Adjustable Time @ Load
  • Scale Conversion
  • Roundness Correction
  • Minimum Thickness Calculation
  • Average Test Group Results from 2-99 results
  • Test Result Memory for up to 5000 results
  • Split Memory
  • RS232 Output
  • Print and Display Statistics
    • Average
    • Range
    • Min/Max
    • Standard Deviation
    • CPk
  • Sequence Numbering
  • Lot Numbering
  • Test Block Verification (ASMT D-785)


Six Models: Regular, Superficial or Combination
Vertical Capacities: 10- and 15-inch
Throat: 6-inch
Operating Temp: 50°F to 120°F
10°C to 49°C
Warranty: 1 year