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Mitutoyo 63ETB1205 | Knoop Hardness Reference Block | 900 HK1, Steel, 30x30x6 mm
Part Number : 63ETB1205
This Knoop reference block carries a nominal 900 HK1. The steel block measures 30 x 30 x 6 mm and has a DAkkS calibration certificate to ISO 4545-3; the HK1 test force is 9.807 N (1 kgf) with a diamond pyramid.
Key features
- Nominal hardness 900 HK1 on a steel block, 30 x 30 x 6 mm
- 900 HK1 block: test force 9.807 N (1 kgf) on the HK1 scale, diamond pyramid
- 900 HK1 block: DAkkS calibration (ISO 17025 accreditation) to ISO 4545-3
- 900 HK1 block listed for HM-210 HM-220 HV-110 HV-120
- Optional for the 900 HK1 block: up to three calibrated test scales, ASTM E92 calibration and a lasered indentation grid
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