imagR-150/imagB-187.5/ imagBR-187.5 Magnetic Hardness Tester

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Product Features & Applications

Features

  • The dial has a large testing distance, reducing manual operation errors. The hardness reading wheel has clear values for easy reading.
  • One-way magnetizing switch, no need for two-hand operation, convenient and fast.
  • The contact surface between the indenter and the workpiece can be observed from multiple angles; it can measure thin and light workpieces of any length (within the allowable thickness for hardness values).
  • Two replaceable indenters: equipped with a diamond cone indenter and a 1.588mm indenter, which can measure different hardnesses; supports custom-made bracket tooling according to the workpiece.

Applications

  • On-site inspection of large workpieces

For large components that cannot be moved or are inconvenient to transport, such as machine tool guide rails, rolls, pressure vessels, bridge steel structures, etc., there is no need to send the workpieces to the laboratory, and measurements can be taken directly at the installation or use site.

  • Maintenance inspection of installed/in-service equipment

Perform non-destructive testing on operating equipment components (such as transmission shafts, bearing blocks, mold cavities) to determine whether the material has hardness changes (such as softening, hardening) due to long-term use, and evaluate the degree of wear or fatigue.

  • Testing of curved or irregular surfaces

For non-planar workpieces such as cylindrical (e.g., shaft parts), arc-shaped (e.g., outer walls of pipes), the magnetic design can closely fit the curved surface, reducing errors caused by poor contact.

Technical Specifications

Name Magnetic Hardness Tester
Model iMagR-150 MagB-187.5 iMagBR-187.5
Maximum magnetic attraction force >350kgf
Force application method Screw force application
Rockwell preliminary test force 10kgf   10kgf
Rockwell Total Test Force 60、100、150kgf(588.4、980.7、1471N)   60、100、150kgf(588.4、980.7、1471N)
Brinell Test Force   62.5、187.5kgf(612.9、1839N) 62.5、187.5kgf(612.9、1839N)
Test scales HRA、HRC、HRD、 HRB、HRF、HRG HBW2.5/187.5, HBW2.5/62.5 HRA、HRCHRD、 HRB、HRF、HRG HBW2.5/187.5, HBW2.5/62.5
Rockwell measurement range 20-95HRA,10-100HRBW,20-70HRC
Brinell measurement range 100-650 HB W
Indication error ±1%,Conforms to GB/T230, GB/T231
Repeatability error Conforms to GB/T230, GB/T231
Rockwell hardness resolution 1HR
Brinell test force error ≤±1%, conforms to GB/T231.2
Brinell cemented carbide indenter Φ2.5mm
Rockwell indenter 120° diamond indenter, 1.588mm cemented carbide ball
Overall dimensions 249x131x 171(mm)
Net weight 13KG

Standard Configuration

Name Quantity
Main unit 1 set
Φ2.5mm Brinell cemented carbide indenter 1 piece
Diamond Rockwell indenter 1 piece
Φ1.588mm Rockwell ball indenter 1 piece
40X reading microscope 1 piece
Base 1 piece
Standard Rockwell hardness blocks 5 pieces
Standard Brinell hardness blocks 2 pieces
Accessory box 1 piece
Instruction manual 1 copy
Warranty card 1 copy
Calibration certificate 1 copy
Certificate of conformity 1 copy

Optional Configuration

Brinell hardness indentation optical measurement system
Rockwell hardness blocks with various hardness values
Brinell hardness blocks with various hardness values