DTEC DH200 Portable Leeb Hardness Tester

DH200 Portable Hardness Tester is an advanced and innovative metal hardness testing instrument, which has many functions such as nice appearance,easy-operated,integrated design,high resolution display,low operation temperature and high accuracy,etc. 

It is applicable to big workpiece on-site hardness testing and batch testing on the workpiece in production lines. 

Moreover, it is also used in metal manufacturing industry, transportation,Power station, petrochemical industry,aircraft industry,construction and lab,etc.

Working Principle:

When the impact body,with a certain weight,impacts against the specimen surface under the action of spring force,leeb hardness comes from the ratio of the impacting velocity(VA) and the rebounding velocity(VB) of the impact body by the moment the spherical testing tip is located at 1mm point from specimen surface.

With principle of electromagnetism,the permanent magnet in the coil of impact device produced an induced voltage, which is in proportion to the impact body velocity.

The leeb hardness values are calculated by the following formula:

Using Scopes:

Die cavity of molds.

Bearings and other parts.

Failure analysis of pressure vessel, steam generator and other equipment.

Heavy work piece.

The installed machinery and permanently assembled parts.

Testing surface of a small hollow space.

Material identification in the warehouse of metallic materials.

Rapid testing in large range and multi-measuring areas for large-scale work piece.