25% OFF Electric Digital Display Surface Rockwell Hardness Tester 20~100HRB



HRS-150D    Electric Digital Display Rockwell Hardness Tester

HRS-45D     Electric Digital Display Surface Rockwell Hardness Tester

 (The First Digital Display Header Type in China)


Main Features

  • The latest independent dial digital LCD display, button cell power supply, easy maintenance.
  • It has ultra-low power consumption, long battery life and can be used normally for as long as one year.
  • Automatic loading and unloading of load, simple operation, a high degree of automation.
  • Hardness automatic display, high accuracy, small indication resolution, no artificial operation error.
  • The digital display head has an output interface.  Testers can choose external micro printer.
  • Print report content: hardness average, maximum and minimum, hardness discreteness.
  • It has an automatic conversion with other hardness. (HB, HV, etc.)


Application Range

  • Rockwell: It is used to measure Rockwell hardness of ferrous, nonferrous metals and nonmetallic materials. It is suitable for measuring Rockwell hardness of heat treatment materials such as quenching and modulation.
  • Surface Rockwell: It is used to measure the surface Rockwell hardness of the ferrous metal, alloy steel, hard alloy, and metal after surface treatment (carburizing, nitriding and electroplating).


Main Technical Parameters



HRS-150DHRS-45DStandard Configuration
Large Flat Test Bench 1

Small Flat Test Bench 1

V-type Test Bench   1

Hardness Block    3

Foot Screw    4

Power Cord       1

Rockwell and

Surface Rockwell Indenter

Diamond Indenter   1

Φ1.588 Ball

 Indenter      1

Plastic Rockwell Indenter


Ball Indenter 1

Φ6.35 Ball

 Indenter      1

Φ12.7 Ball

Indenter      1

Optional Accessories

Φ10mm Miniature

 Flat Test Bench 

Φ10mm Miniature 

V-type Test Bench 

External Micro Printer

Hardness Blocks

of Other Specifications

Scale of HardnessA, B, C, D, E, F, G, H, KN,T
Test Forcekfg:  60, 100,150

N:   588,980,1471



Test Range20~88HRA,










Indication Resolution0.1HR
Indication AccuracyIt conforms to GB/T 230.2 IS0 6508
Touch Screen Display ContentHardness Value, Rockwell Scale,

Total Test Force, Load Retention Time,

Site Temperature,

Upper and Lower Limit Values,

Measurement Times,

Average Value, Minimum Thickness of Test Piece

Duration of Test ForceAdjustable in 1-99 seconds
Maximum Height of Specimen195mm
Distance from Center of Indenter to Machine Wall140mm
Output InterfaceIt is connected with the computer

through the applicable software (optional).

Voltage Supply220V/50-60HZ
External DimensionsLength* Width * Height 463*175*660mm
WeightNet weight:74kg, Gross weight :90kgNet weight:  69kg, Gross weight:  85kg



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