Digital Portable Hardness Tester L-4s

Digital Portable Hardness Tester L-4s

With a self-test function, factory parameters recovery function, 5 minutes automatic shutdown function

Product Details

We advocate the concept of openness, cooperation and win-win, and have won the trust and support of many customers around the world. We continue to innovate with our customers and partners to promote the development of the Automatic Grinding And Polishing Machine, Metallographic Sample Preparation, Grinder Polisher Machine industry and enhance product quality and industrial value! We are well aware that the competition of enterprises in the future is the competition of enterprise strategy and overall strength. We let our employees grow happily and provide them with a family-oriented and school-oriented teaching enterprise, so that they can realize their dreams.

HLN-120 leeb hardness tester

Main features:

With a self-test function, factory parameters recovery function, 5 minutes automatic shutdown function;

Graphic dot matrix lcd (128 * 64) display, not affected by voltage fluctuations;

Two modes of operation, direct mode and menu mode;

With software calibration function, to ensure measurement accuracy;

The machine can be equipped with 7 different impact devices, automatic identification of the impact device type;

Large capacity memory, can store 500 groups (up to 13000 words measured) data.


The hardness test of the product in the mass production process;

Hardness test of annealing, tempering, quenching and other heat treatment material;

Field test of mechanical permanent assembly parts after installation;

Heavy workpiece, die steel, bearings, gears and other hardness testing;

Failure analysis of pressure vessel, turbogenerator and Its Equipment.


Measuring range


Test force


Test material

10 types

Hardness conversion


Working voltage


Continuous working time

About 1000H(backlight shut )

Communication interface standard






Standard accessories:

D-type impact device:1 pc

Small supporting ring : 1 pc

leeb standardized hardness block:1pc


Adhesives:1 bottle

Producing quality Digital Portable Hardness Tester L-4s that consumers and we expect from each other helps to enhance our brand image. We constantly improve the salary system, adhere to the same position with the same base salary, pull the gap by the principle of performance, and steadily improve the income of employees. 'Starting from customer requirements, ending with customer satisfaction' is the core of our enterprise activities. As long as customers give us a service opportunity, we will return customers satisfaction with practical actions, which is our constant commitment.


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