Portable hardness tester
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Portable hardness tester

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L / 119 , G. I. D. C.
Industrial Town Ship,
Odhav, Ahmedabad.
Gujarat (India)

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Digital Rockwell Hardness Tester






Principle :

Rockwell & Rockwell superficial test consists of forcing an indentor (Diamond or Ball) into the surface of a test piece in two steps i.e. first with preliminary test force and thereafter with additional test force and then measuring depth of indentation after removal of additional test force (Remaining preliminary test force active) for measurement of hardness value.


RASNE series machines are suitable for Rockwell and Rockwell superficial tests. These are motorized digital Hardness testers having LCD display for easy hardness measuring. The results are display in 0.1 Rockwell unit for more accurate measurement.

Operation :

Various parameters of test can e set on front panel by operation of key board and observing LCD display Viz high / low limits, dwell time, auto / manual start, printer selection, scale selection etc. All set data can be verified / edited by pressing SCL key one after another.


Machine operation is very simple. The normal mode is a bar followed by "SET" indication. Raise elevating screw slowly through bar indicator till "SET" position which will show "PRESS START" indication. Now press "START" button. Loading / unloading cycle will be completed and hardness is shown on LCD display with High/ Good / Low indication. Lower down elevating screw. Panel will show normal mode for next test.


FIE'S new 'RASNE' series of Hardness Testing Machines come with much improved design & look with following major design changes.

This is a motorized machine having automatic loading / unloading cycle suitable for production testing.

The machine body is having a taper front look and large size read-out in the front. The machine is powder coated for better look. The paint shade do not fade and machine looks like new over years.

The elevating screw of machine is quided in a hardened and ground bush, not allowing movement of elevating screw more than 0.05 mm when raised to full height. The accuracy is retained for years together due to hardness bush.

A hardened and ground stepped brush is fixed on top of main screw for location and rest surface. This guarantees no charge in results due to rough handling of test table or test piece. It means a trouble free long life machine accuracy.

An antifriction linear bearing with almost no clearance is provided for a perfect vertical movement of loading plunger with minimum friction. This enables testing of small dia. Pin or ball upto 3mm dia.

Both models are provided with automatic working cycle and digital LCD display with 0.1 Rockwell resolution. This insures productivity with better accuracy.

Both models conform to IS : 1586, BS 10109-2 & ASTM E-18 for Rockwell Superficial Test.



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