"ERNST" Bench hardness tester NR3D | เครื่องวัดความแข็งแบบร็อคเวลล์
หมวดหมู่ : Inspection Product , Hardness Tester , Rockwell Hardness Tester ,
แบรนด์ : 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 principle | MOD DR: Rockwell MOD DSR: Superficial Rockwell |
| Standard scales | MOD DR: HRC, HRD, HRE, HRF, HRG, HRH, HRK, Brinell HB30 MOD DSR: HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45W, HR15X |
| Loads | MOD 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) |
| Preload | MOD DR: 10kgf (98.1N) MOD DSR: 3kgf (29,4N) |
| Load time | Operator choice |
| Load application method | manuale |
| Minimum measurable diameter | 4mm |
| Working area dimensions | 3mm x 3mm |
| Output interfaces | RS 232 |
| Reading | digital on display |
| Weight | 58kg |
| Norms and certifications | ASTM E 18 EN ISO 6506 |
