manual twin rockwell hardness tester has stable and reliable performance ,it can meet the rockwell hardness test requirements of all metal materials, This model HRR-150A is no need to use the electric power, it is a affordable rockwell machine all –in-one.

Main function and features :

1. The machine can meet the metal rockwell and superficial rockwell hardness test requirements; high test precision;

     good repeatability;

2. The dial reads the hardness value directly, indicator responses sensitively, show the hardness value accurately,

     the test value is more accurate than national standard;

3. One-time casted molding shell, stable structure and it is not easy to be out of shape. It can work under

     harsh environment; the shell coating adopted car paint technology with white color. it has strong scratch

     resistance capability and still look bright as new after use many years;

4. Factory directly supply, we have products develop &design & produce ability, all the parts provide life-time

    replacement and maintenance service.

Main application ：

1. Hardened steel, quenched and tempered steel, annealing steel, bearing steel, strip steel, hardened steel sheet, hard

    alloy, etc.;

2. Galvanized, chrome plating, tin plating, heat treatment of materials and chemical surface treatment of all kinds of

    thin metallic materials.

Technical parameters ：