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NR3D - Rockwell hardness Tester

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"ERNST" Bench hardness tester NR3D | Rockwell hardness Tester

Brand : ERNST

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Bench hardness tester

NR3D

Rockwell hardness tester with reading also in the Brinell scale (HB 30 for steel and HB 10 / HB 5 for aluminum and light alloys) precise and reliable, for items of small and medium dimensions. ASTM E 18, EN ISO 6506.

Working principleMOD DR: Rockwell
MOD DSR: Superficial Rockwell
Standard scalesMOD DR: HRC, HRD, HRE, HRF, HRG, HRH, HRK,
Brinell HB30
MOD DSR: HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45W, HR15X
LoadsMOD DR: 60kgf, 62.5kgf, 100kgf, 125kgf, 150kgf, 187,5kgf
(588N, 613N, 981N, 1226N, 1471N, 1839N)
MOD DSR: 10kgf, 15kgf, 15.6kgf, 30kgf, 31.2kgf, 45kgf
(98N, 147N, 153N, 294N, 306N, 441N)
PreloadMOD DR: 10kgf (98.1N)
MOD DSR: 3kgf (29,4N)
Load timeOperator choice
Load application methodmanuale
Minimum measurable diameter4mm
Working area dimensions3mm x 3mm
Output interfacesRS 232
Readingdigital on display
Weight58kg
Norms and certifications

ASTM E 18 EN ISO 6506

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