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Digital Rockwell Hardness Testing Machine

Digital Rockwell Hardness Testing Machines ( Model : TRS-DM, TSM-DM, TRB-DM, TRB-250-DM, TRS-DM-P )

  • This machine is designed for measuring hardness of metals & alloys of all kinds, hard or soft, whether round, flat or irregular in shapes.
  • Semi-automatic, motorized, digital, microprocessor based panel. We can get hardness in digital version.
  • Centronics parallel port for connecting dot matrix printer.
  • Three modes of operation viz. Motorized automatic mode, Motorized mode & Manual mode.
  • Automatic weight selection by thumb wheel.
  • Test height x Throat is - 295 x 148 mm.
  • Machines strictly conforms to IS:1586 / 2281, BS: 240, ASTM-E-10


Technical Specifications Of Digital Rockwell Hardness Testers :

MODELTRS-DMTRB-DMTRB-250-DMTSM-DM
Test Loads (kgf)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)10101010 (Rockwell) & 3 (Rockwell Superficial)
Max. Test Height (mm)295295295295
Depth of Throat (mm)148148148148
Max. depth of elevating screw below base (mm)290290290290
Overall Dimensions (L X W X H) (mm) (Approx.)580 x 270 x 915580 x 270 x 915580 x 270 x 915580 x 270 x 915
Net. Wt. Approx. (kg)110110160160
Scales DisplayedRockwell A, B, C, D, E, F, G, H, K, M, P, R, S, V, L in Nos. 1 to 15 resp.Rockwell A, B, C, D, E, F, G, H, K, M, P, R, S, L, V, 15N, 30N, 45N, 15T, 30T, 45T in Nos. 1 to 21 resp.
Least Count0.10.10.10.1 For Rockwell & 0.2 For Rockwell Superficial
Minor Load SettingBy Bar Graph Indicator (Manual Setting)
Load ControlAutomatic (Loading, Dwell, Unloading for major load)
Dwell Time1 to 99 seconds selectable
Printer InterfaceCentronics Parallel Port to connect Dot Matrix Printer
Power Supply220 V, Single Phase, 50 Hz, AC, (3 Wire System)


Standard Accessories :

Rockwell Diamond Indenter1 No.1 No.1 No.1 No.
Superficial Diamond Indenter------1 No.
Testing Table f 50 mm1 No.1 No.1 No.1 No.
Testing Table f40 mm with ‘V’ Groove for round Jobs f6 to 45 mm1 No.1 No.1 No.1 No.
Steel Ball Indenter f1/16 ”1 No.1 No.1 No.1 No.
Steel Ball Indenter f2.5 mm--1 No.1 No.--
Steel Ball Indenter f5 mm--1 No.1 No.--
Test Block HRC1 No.1 No.1 No.1 No.
Test Block HRB1 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.
Allen Spanners3 Nos.3 Nos.3 Nos.3 Nos.
Clamping Device1 No.1 No.1 No.1 No.
Brinell Microscope--1 No.1 No.--
PVC Cover for Machine1 No.1 No.1 No.1 No.
Rubber Bellow1 No.1 No.1 No.1 No.
Instruction Manual1 Book1 Book1 Book1 Book


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Digital Rockwell Hardness Testing Machine

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