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Omnitest Micro &
Universal Hardness Tester

The Ernst Omnitest is a universal hardness tester that combines the capability of testing in all major metal hardness methods: Rockwell, Brinell, and Microhardness. The test also has electronic features for automatic measurement of the width of indentations for Brinell and Vickers scales.
  • Load selection ranges from 1 kg to 250 kg
  • Complies with relevant standards in ASTM, DIN, BS, & ISO EN 6506, 6507, 6508, 2039
  • Integrated LED light source, 2 megapixel camera, 12" LCD screen
  • Automatic or manual measurements
  • Stores test results and images for later recall.
  • Universal hardness testing provides more efficiency for small labs - test in any scale.
  • Built in statistics, conversions, round correction, etc
  • Operates according to ASTM E10 for light load Brinell testing!

Omnitest screen shows the indentation and data

The stand is built to handle the higher loads

The turret rotates for indentor/objective positioning

Automatic scan reading of Vickers hardness with 133x and 400x interchangeable objectives. The special internal and external structure of the stand eliminates
deflection during testing.
High precision automatic rotation of indenter/objective in order to guarantee accurate positioning of the objective.


Standardized test procedures
Vickers DIN EN ISO 6507, ASTM E-384
Brinell DIN EN ISO 6506, ASTM E 10
Rockwell DIN EN ISO 6508, ASTM E 18
Test loads
Vickers 1, 2, 3, 4, 5, 10, 20, 30, 40, 50, 60, 80, 100, 120 kg
Brinell 1, 2.5, 5, 6.25, 10, 15.625, 25, 30, 31.25, 62.5, 100, 125, 187.5, 250 kg
Rockwell Preloads 3-10 kg
Rockwell Full Loads 15, 30, 45, 60, 100, 150 kg
Vickers 15, 30, 45, 60, 100, 150 kg
Brinell 1 mm, 2.5 mm, 5 mm, 10 mm Ball indenters
Rockwell high hardness Conical diamond indenter 120°
Rockwell low hardness Ball indenter 1/16", 1/8", 1⁄4", 1⁄2" (on request)
Optical testing device:
  From 35x to 400x with interchangeable objectives (400x on request)
  LED lighting source
Max measurable height 290 mm
Max measurable depth 250 mm
Weight 250 kg
Test load application:
  DC motor via closed loop by means of force transducer
  Test load selection by LCD screen
  Automatic rotation to indenter/objective
Results displaying:
  DC motor via closed loop by means of force transducer
  Graphic capability for result analysis with variable scale
Power supply:
Interface RS232 and USB standard
Power Supply 230 V, 50 Hz (220 VA), Other power supplies on request

Omnitest Universal Hardness Tester for Microhardness

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