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Digital Rockwell Hardness Testers

Digital and motorised Rockwell

RockwellBrinellVickersUniversal Testing MachinesAccessories & Software
All16 Dial (analogue) Rockwell4Digital and motorised Rockwell6Touch-screen Rockwell6

Rockwell, Rockwell cum Brinell and Rockwell cum Superficial hardness testers in five series: RASN dial testers with automatic zero-setting dial, RASN-D digital testers reading to 0.1 Rockwell, RSNE motorised testers with automatic load, dwell and unload cycle, RSNE-T touch-screen testers, and the fully automatic RASN-TSFA with automatic test-force selection. All have USB CSV export, PC software and thermal printer on the digital models, and are built to IS 1586, ASTM E18 and ISO 6508.

6 products in total

Digital and motorised Rockwell

Test force range: 147.1 – 2,452 N (15 – 250 kgf)
Rockwell

RASN-D

Digital Rockwell Hardness Tester

  • TypeDigital Rockwell, manual loading
  • Major load (total test force)588.4, 980.7, 1471 N (60, 100, 150 kgf)
  • Minor load (preliminary force)98.07 N (10 kgf)
  • ScalesHRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK
RASN-D
Rockwell

RASN-250-D

Digital Rockwell cum Brinell Hardness Tester

  • TypeDigital Rockwell cum Brinell, manual loading
  • Major load (total test force)588.4, 980.7, 1471, 1839, 2452 N (60, 100, 150, 187.5, 250 kgf)
  • Minor load (preliminary force)98.07 N (10 kgf)
  • ScalesRockwell A to K; Brinell HBW 2.5/187.5, 2.5/250
RASN-250-D
Rockwell

RASN-Twin-D

Digital Rockwell cum Superficial Hardness Tester

  • TypeDigital Rockwell cum Superficial, manual loading
  • Major load (total test force)147.1, 294.2, 441.3, 588.4, 980.7, 1471 N (15, 30, 45, 60, 100, 150 kgf)
  • Minor load (preliminary force)29.42, 98.07 N (3, 10 kgf)
  • ScalesRockwell A to K; Superficial 15N, 30N, 45N, 15T, 30T, 45T
RASN-Twin-D
Rockwell

RSNE

Automatic Digital Rockwell Hardness Tester

  • TypeDigital Rockwell, motorised
  • Major load (total test force)588.4, 980.7, 1471 N (60, 100, 150 kgf)
  • Minor load (preliminary force)98.07 N (10 kgf)
  • ScalesHRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK
RSNE
Rockwell

RSNE-250

Automatic Digital Rockwell cum Brinell Hardness Tester

  • TypeDigital Rockwell cum Brinell, motorised
  • Major load (total test force)588.4, 980.7, 1471, 1839, 2452 N (60, 100, 150, 187.5, 250 kgf)
  • Minor load (preliminary force)98.07 N (10 kgf)
  • ScalesRockwell A to K; Brinell HBW 2.5/187.5, 2.5/250
RSNE-250
Rockwell

RSNE-Twin

Automatic Digital Rockwell cum Superficial Hardness Tester

  • TypeDigital Rockwell cum Superficial, motorised
  • Major load (total test force)147.1, 294.2, 441.3, 588.4, 980.7, 1471 N (15, 30, 45, 60, 100, 150 kgf)
  • Minor load (preliminary force)29.42, 98.07 N (3, 10 kgf)
  • ScalesRockwell A to K; Superficial 15N, 30N, 45N, 15T, 30T, 45T
RSNE-Twin
Background information

Rockwell hardness testing

IS 1586 · ASTM E18 · ISO 6508

In the Rockwell method a diamond cone (120°, scales A, C, D) or a hardened steel ball (1/16" for B, F, G) is pressed into the specimen under a preliminary test force of 10 kgf (98.07 N), then the total test force of 60, 100 or 150 kgf is applied and held for the dwell time. The Rockwell hardness number is derived from the permanent increase in indentation depth after the additional force is removed, so no optical measurement of the impression is needed.

Because the reading is taken directly from the dial or display, Rockwell is the fastest routine hardness test and the standard choice for heat-treated steels, tool steels and non-ferrous metals on the shop floor. Superficial scales (15, 30 and 45 kgf with a 3 kgf preliminary force) extend the method to case-hardened, thin and small parts.

ETS Rockwell testers cover the regular and superficial scales, and the Rockwell cum Brinell models add 187.5 and 250 kgf loads for Brinell tests with 2.5 and 5 mm balls. Indirect verification with certified reference blocks and indenters follows IS 1586 (Part 2), ASTM E18 and ISO 6508-2.