Supplier: touch Screen Digital Display Surface Rockwell Hardness Tester 20~88HRA



JR-150D   Touch Screen Digital Display Rockwell Hardness Tester

JR-45D     Touch Screen Digital Display Surface Rockwell Hardness Tester


Main Features

  • 6-inch touch screen display or computer display, Chinese and English menus, rich menu content, with a super-domain warning system.
  • 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.
  • It can automatically identify the minimum thickness and super-domain warning of the specimen.
  • It has a built-in micro printer, which can print average hardness, maximum and minimum hardness, and its hardness has discreteness.
  • The RS232 interface can be connected with computer to save massive data and hardness analysis.
  • It has an automatic conversion with other hardness. (HB, HV, etc.)
  • It has one national intellectual property right.

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).
  • Plastic Rockwell: Hard plastics, aluminum, tin, copper, mild steel, synthetic resins, and friction materials.

Main Technical Parameters




JR-150DJR-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

Rockwell Hardness

Computer Software

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,20~70HRC,20~100HRB








Indication Resolution0.1HR
Indication AccuracyIt conforms to GB/T 230.2 EN-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
RS232 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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