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Rubert 553 | Precision Reference Specimen | Type B/C, 3 Patches (526 + 529 + 521)
Part Number : 553E
The Rubert 553 is a precision reference specimen combining three patches on one electroformed nickel plate: specimens 526 + 529 + 521. It serves as an ISO 5436-1 type B/C material measure for checking and calibrating surface measuring instruments, letting several roughness values from the range be checked without changing plates. It is offered in two versions: 553E, with a hard nickel-boron top layer, and 553X, without a top layer.
Key features
- Combination plate with 3 patches: specimens 526 + 529 + 521
- Roughness values as specimens 526, 529 and 521
- Electroformed nickel; 553E with hard nickel-boron top layer or 553X without
- UKAS calibration available on request from Rubert's accredited laboratory
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