Ernst AT-250 Rockwell Tester

Ernst AT-250 Rockwell Tester

Ernst AT-250 Rockwell Tester

The AT-250 Rockwell Tester is useful for many basic testing applications especially testing in challenging conditions such as dirty environments, large awkward parts and inexperienced operators.


  • Not influenced by bending or sample deflection due to the unique test method that monitors the test surface during testing
  • Simple (one motion), quick (two seconds), easy (anyone can test) and accurate (even with challenging applications)
  • The clamping shield permits the measure of big and irregular pieces
  • Wide range of digital capabilities: large test result memory and statistical output
  • The test head removes for factory calibration/ repairs
  • Operates according to ASTM E18
  • Both the AT-NX and AT-TX test stand have swing out accessory storage

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The AT250 can even test on tapering test surfaces like the other AT Series Rockwell Testing Equipment Here is a main menu display for the AT250, showing the scales and date at the top with results, converted test results and links to the other settings necessary for successful testing

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Product Literature

Description Part # Saved Price Select Option Add to
Ernst AT-250 Rockwell Tester HT-ER-AT-250 Request Pricing