Bench Rockwell Hardness Tester

CISAM-ERNST NR3D Bench Hardness Tester

Bench hardness tester based on the Rockwell principle

The NR3D Bench Hardness Tester from CISAM-ERNST works on the Rockwell principle with standard preload and load, and takes a DR standard or DSR Superficial Rockwell test head on the same stand.

Manufactured byCISAM-ERNST

CISAM-ERNST NR3D bench hardness tester with blue front panel, digital display and bellows anvil — CISAM-ERNST NR3D Bench Hardness Tester.

CISAM-ERNST NR3D bench hardness tester with blue front panel, digital display and bellows anvil — CISAM-ERNST NR3D Bench Hardness Tester.

DR / DSRStandard & Superficial heads

60–150 kpDR Rockwell loads

15–45 kpDSR Rockwell loads

HB30Direct Brinell reading

Overview

Standard and Superficial Rockwell on one stand

The NR3D is a bench hardness tester working according to the Rockwell principle, with standard preload and load. It is available with the DR test head for standard Rockwell loads and the DSR test head for Superficial Rockwell loads, and can give a direct Brinell point reading on the digital display.

It suits a wide range of materials, from hard and soft metals to light alloys, plastics, rubber and plexiglass. The Superficial Rockwell head can be added to the same stand, so no second machine is needed, and the removable test head makes service and calibration easier.

Optional E-DATACAPTURE software stores test data and adds tolerance indicators, control limits, averages, conversions, X-bar charts, histograms and Cpk analysis.

Versions

DR and DSR test heads

NR3D test head side view with load selection handle, load scale 60 to 187.5 and side lever

Standard Rockwell

DR

Preload: 10 kp / 98 N
Rockwell loads: 60 / 100 / 150 kp (588 / 980 / 1471 N)
Brinell loads: 62.5 / 125 / 187.5 kp (612 / 1226 / 1839 N)
Scales: HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HB30
On request: HB2.5, HB5, HB10, HV60, HV100, Shore D

Superficial Rockwell

DSR

Preload: 3 kp / 29.4 N
Rockwell loads: 15 / 30 / 45 kp (147 / 294 / 441 N)
Brinell loads: 10 / 15.6 / 31.2 kp (98 / 153 / 306 N)
Scales: HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45W, HR15X
On request: HB2.5, HB5, HV10, HV15, HV30

Accessories

Options for the NR3D

NR3D with C-form extension reaching inside a ring to test its internal surface

C-form extension

Optional extension for measuring internal surfaces.

E-DATACAPTURE software

Optional software for data storage, control limits, X-bar charts, histograms and Cpk.

Printer output

Printer output for test results.

NR3D indenter on the surface of a green-coated flat part

In use

The NR3D suits a wide range of materials, from hard metals to soft metals, light alloys, plastics, rubber and plexiglass.

Applications

Where the NR3D is used

V-anvils, flat anvil, indenters and test blocks for the NR3D

Rockwell hardness testing

Standard and Superficial Rockwell testing with selectable scales.

NR3D indenter above a small threaded part on the anvil

Small and medium-sized parts

Hardness testing of small and medium-sized parts.

NR3D indenter testing a nut on a threaded bolt

Hardness testing of metals

Testing metals, light alloys and aluminum.

Internal surfaces

Internal surface testing with the optional C-form extension.

Brinell point readingPlasticsRubberPlexiglassSpheresComposite materialsLaboratory testingSchool and training laboratoriesProduction quality controlHeat treatment inspection

Features

Simple manual Rockwell testing

Operation

Load selection by rotating the handle on the test head.
Scale selection from the front panel, digital hardness display.
Preload position indicated by LED; load applied and released by side lever.

Design

Preload spring system with constant load, no frequent special adjustment.
Removable measuring head for service and calibration.
Same stand for standard and Superficial Rockwell heads.

Options

Direct Brinell point reading on the display.
Optional C-form extension and E-DATACAPTURE software.
Printer output; CE conformity.

Benefits

Why it fits labs and QC

Wide material range. Tests metals, alloys, plastics, rubber and composite materials.

Easy to operate. Simple to operate and maintain, built for long-term use.

One stand, two heads. One stand supports standard and Superficial Rockwell testing.

Direct Brinell reading. Brinell values read directly on the display save time.

Easier service. The removable head makes calibration and service easier.

Process reporting. Optional software supports process control and reporting.

Need support with this hardness tester?

Share your materials, hardness scales and part sizes, and our Performance Engineering team will support you with the suitable product information.

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