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Rockwell Hardness Tester

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Standard- Rockwell Hardness Testing Machines ( Model : MRS )

  • This machine is designed for measuring hardness of metals & alloys of all kinds, hard or soft, whether round, flat or irregular in shapes.
  • This machine is ideally suitable for laboratories, tool rooms, Heat treatment shops, R&D departments, inspection departments, foundries & educational institutions.
  • Automatic weight selection with automatic zero setting dial gauge.
  • Rockwell test minor load is 10 kgf & major loads are 60,100,150 kgf.
  • Rockwell hardness scales such as HRA, HRB, HRC, etc. is obtained by using different types of indentors ( Diamond / Ball ).
  • Test height x Throat is - 215 x 132 mm
  • Extra test height & throat of 295 x 148 mm, Model : MRS-150 is also available.
  • Motorized versions are also available.
  • Machines strictly conforms to IS:1586- 2000.

Technical Specifications Of Standard Rockwell Hardness Testers

Model MRS MRS-150 MRB MRB-250 MSM
Test Loads (Kgf) 60, 100, 150 (Rockwell) 60, 100, 150 (Rockwell) 60, 100, 150 (Rockwell) 187.5 (Brinell) 60, 100, 150 (Rockwell) 187.5, 250 (Brinell) 60, 100, 150 (Rockwell) 15, 30, 45 (Rockwell Superficial)
Initial Loads (Kgf) 10 10 10 10 10 (Rockwell) & 3 (Rockwell Superficial)
Max. Test Height (mm) 215 295 215 295 295
Depth of Throat (mm) 132 148 132 148 148
Max. Depth of Elevating Screw Below Base (mm) 230 295 230 295 295
Size of Base (mm) (Approx.) 430 x 180 475 x 220 430 x 180 475 x 220 475 x 220
Machine Height (mm) 635 865 635 865 865
Nett Weigth (kg.) (Approx.) 65 106 70 125 120

Standard Accessories

Model MRS MRS-150 MRB MRB-250 MSM
Rockwell Diamond Indentor 1 No. 1 No. 1 No. 1 No. 1 No.
Superficial Diamond Indentor -- -- -- -- 1 No.
Testing Table f 50 mm 1 No. 1 No. 1 No. 1 No. 1 No.
Testing Table f40 mm with ‘V’ Groove for round Jobs f 6 to 45 mm 1 No. 1 No. 1 No. 1 No. 1 No.
Steel Ball Indentor f1/16” 1 No. 1 No. 1 No. 1 No. 1 No.
Steel Ball Indentor f2.5 mm -- -- 1 No. 1 No. --
Steel Ball Indentor f5 mm -- -- -- 1 No. --
Test Block HRC 1 No. 1 No. 1 No. 1 No. 1 No.
Test Block HRB 1 No. 1 No. 1 No. 1 No. 1 No.
Test Block HB 2.5mm/187.5 Kgf -- -- 1 No. 1 No. --
Test Block Rockwell Superficial 30N -- -- -- -- 1 No.
Steel Ball f1/16”  5 Nos.  5 Nos. 5 Nos. 5 Nos. 5 Nos.
Allen Spanners 3 Nos. 3 Nos. 3 Nos. 3 Nos. 3 Nos.
Clamping Device 1 No. 1 No. 1 No. 1 No. 1 No.
Brinell Microscope -- -- 1 No. 1 No. --
PVC Cover for Machine 1 No. 1 No. 1 No. 1 No. 1 No.
Rubber Bellow 1 No. 1 No. 1 No. 1 No. 1 No.
18. Instruction Manual 1 Book 1 Book 1 Book 1 Book 1 Book