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Metal Hardness Testers
Advanced portable metal hardness testers with wide measuring range suitable for most metals. Direct display of hardness values in HRB, HRC, HV, HB & HL
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This portable hardness tester uses the dynamic Leeb rebound technique, has a wide measuring range and is suitable for most metals.
The Equotip 3 is a rugged and versatile portable metal hardness tester, which is suitable for most metals. It offers unmatched ease of operation and has a large and clear display integrated in a robust ABS housing with a sealed membrane keypad.
portable testers with the best repetition rate and the greatest accuracy on the market. Equotip Bambino 2 is particularly suitable for quick and easy on-site hardness checks. Equotip Piccolo 2 offers advanced measurement statistics and Piccolink software
pen type Leeb hardness tester with a wide measuring range suitable for most metals. D, DL or C type versions available. PC, software included
PORTABLE HARDNESS TESTER GUIDE
There are two main types of portable metal hardness tester available – Dynamic Rebound (Leeb) and Ultrasonic Contact Impedance (UCI).
Dynamic rebound testers project a spring loaded impact body with a spherical tip towards the test object at a defined velocity. The impact creates a plastic deformation of the surface which causes the impact body to rebound at a slower speed. This loss of velocity is measured by the passage of the impact device through a magnetic coil and this produces a Leeb hardness value (HLD) which the instrument can convert to hardness scales HRB, HRC, HV, HB etc. Modern portable rebound testers can produce fast and accurate results and are particularly suitable for use on solid heavy components, coarse grained materials and thick walled tubing.
UCI hardness testers are not restricted to large mass items and can be used on smaller, thinner walled components and on finer grained materials. These instruments apply a known force to a Vickers diamond which is attached to the end of a metal rod which oscillates longitudinally. The diagonals of the resulting indentation are evaluated electronically by measuring the ultrasonic frequency shift which is proportional to the size of the indentation. The difference in ultrasonic vibration frequency is then converted to hardness scales such as Vickers, Rockwell or Brinell etc.
