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Functions of the Phase II MET-U1A & UDA Hardness Testers
The Phase II MET’s are state of the art, handheld hardness testers that provide high accuracy and
simplicity of operation for a wide measuring range. It is suitable for testing the hardness of
ordinary metals and is widely applied in many industries including the petroleum, chemical,
industrial machining and electric power industries, etc. Test direction (upside down) does not
influence the readout.
Typical Applications MET-UDA
(Using the Dynamic impact device)
Typical hardness testing applications of the MET-UD (dynamic) include:
• Inspection of installed machinery, permanent parts of assembled systems and heavy workpieces
including large castings.
• Inspection of the molding surface of a die
• Analysis of pressure vessels, turbo generator sets, etc.
• Inspection of bearing and other mass produced parts on a production line
• Obtaining original records of test data
• Identification of metallic materials stored in a warehouse
Typical Applications MET-UD/U1
(Using the Ultrasonic Transducer)
Typical hardness testing applications of the MET-UD/U1 (Ultrasonic) include:
• Capable of checking hardness on a variety of metals with varying mass and thickness.
• Especially suited for checking finished articles with a polished surface since there is no visible
imprint left after testing
• Restrictions include all coarse grain structured metals such as Iron or items that are less than
1mm in thickness.
Choosing between Dynamic and Ultrasonic Testing
The choice between using the dynamic impact device or the ultrasonic transducer
depends upon your application. Parameters such as mass, configuration, structure,
degree of mechanical and thermal treatment all play a part in this decision. The
design of the Ultrasonic transducer makes it possible to check the hardness on
articles in difficult to reach positions (such as gear teeth), thin materials, finely
polished surfaces and any other application where it is impossible to take a dynamic
hardness test.
The dynamic hardness test is specialized for checking hardness on large hard parts
whereas the ultrasonic method is finely tuned to check hardness on smooth, thin
and some softer material. Since the MET-UD comes complete with both a dynamic
impact device for large hard parts and the ultrasonic transducer for all other
configurations, you can be confident that you will be able to test almost any
application that is mentioned in the above paragraph.
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