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Portable, automatic and bench-top hardness testers, covering all hardness testing requirements, together with products that extend their functionalities such as indentation readers and case depth analyzers.

Bench hardness tester MTR-X

Ernst's MTR X Hardness Tester: An Innovative Solution for Metal Hardness Testing

Ernst's MTR X hardness tester represents a significant breakthrough in metal hardness testing, thanks to its innovative Esatest® principle. This advanced hardness measurement method allows operators to take readings even in the most difficult-to-reach areas, such as interiors, cavities, joints, and gears.

Esatest® Principle: An Innovative Approach The Esatest® principle, developed by Ernst, is a revolutionary approach to hardness testing that leverages the correlation between penetration depth and changes in residual electrical resistance. This technology uses a special indenter, enriched with boron to make it conductive, that provides measurements based on electrical resistance changes induced by varying loads. This indirect method offers several advantages, such as enabling measurements with very low loads to minimize damage to finished parts and allowing tests in positions conventional instruments cannot reach.

Key Features of Esatest® Technology:

  1. Measurement Capability: The system can measure across a wide range of loads, including very low ones, and display results in various hardness scales (Brinell, Vickers, Rockwell, and Super Rockwell).

  2. Technology: By leveraging the conductive properties of a boron-doped diamond indenter, Esatest® technology utilizes the correlation between penetration and residual electrical resistance. The plasma-based chemical deposition method is used to create the boron-enriched diamond indenter, which enhances electrical resistance measurements.

With the ACCREDIA (ILAC MRA) calibration certificate according to DIN 50158-2, the MTR X hardness tester is a highly reliable and accurate solution for metal hardness testing.

Choose Ernst's MTR X hardness tester for your metal hardness measurement needs and experience the precision, reliability, and innovation this instrument offers.

Product advantages

1 Innovative testing principle (brev. Ernst) - Tests in inaccessible points compared to traditional hardness testers: gears, couplings, cavities, interiors, weld seams, HAZ (heat affected zone)
2 1 diamond indenter for the entire range of metals - Simplicity and speed of the testing process
3 Continuous measurement of hardness at various loads - Immediate evaluation of the surface heat treatment - A single tool = Various detections
4 ACCREDIA certification (ILAC MRA - mutual recognition Arrangements) - Offers a competitive advantage in markets where certification is required

Technical details

Power supply 240VAC - 50/60Hz
Loads MOD. A: 1kgf - 10 kgf MOD. B: 0,5kgf - 10kgf MOD. C: 0,2kgf - 2kgf
Norms and certifications DIN 50158
Minimum measurable diameter 2mm exterior / 12 mm interior
Selectable functions calibration - hardness measurement - test load - test specimen -hardness scale - materials - rod type - diamond type - language - comments - tolerances - file management - printing - statistics - hardness curve - overlapping curves - function block
Output interfaces USB - internal Ethernet
Reading on display 8.4" touch-screen 800px x 600px
Languages Italian, English, German, Other languages on request
Load application method automatic acquisition of load and resistance values in real time
Weight 20kg
Working principle Ernst patent for electrical resistance measurement (DIN 50158)
Standard scales HV - HRC - HRB - HB30 - N/mm² - HRF - HRD
Load time the time of the test cycle depends on the selected load (max 12sec)
Working area dimensions 2mm x 2mm
Memory Over 100 GB to memorize hardness values
Overall dimensions 40cm x 50cm x 30cm
Via Monte Tagliaferro 6 - 21056 Induno Olona (VA) - Italy T. +39 0332 200 216 - F. +39 0332 202 623 corporate@cisam-ernst.com
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