HR45N Rockwell Reference Blocks 65mm Ø x 15mm

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Description

  • HR45N Reference blocks are calibrated with a Standardizing Diamond Indenter.
  • Major Force applied is 45kg with a pre-load of 3kg.
  • All blocks are supplied with a UKAS or EURO certificate.
  • Nominal values selected are supplied within ± 2 points. (For example if you select 61 HR45N, we will supply anything from 59 to 63 HR45N. We will always try our hardest to get as close to the nominal value as possible.)
  • Uniformity of Hardness Calibration Guarantee for the following values:
    •  19 HR45N to 65 HR45N   ≤ 0.5 HR45N
    •  66 HR45N to 78 HR45N  ≤ 0.3 HR45N
  • Uncertainty of Measurement : 19 to 50 HR45N is 0.43 HR45N, 50 to 67 HR45N is 0.21 HR45N, 67 to 80 HR45N is 0.18 HR45N.

Additional information

Hardness Value :

19, 25, 31, 37, 43, 49, 55, 61, 66, 70, 72, 74, 75, 76, 77, 78

Hexagonal Grid :

NO GRID, CORRECT SIZE AS PER THE STANDARDS, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm

Material :

Steel

Certificates Required :

UKAS, EURO

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Specialising in the manufacture of Precision Hardness Testing Blocks & Indenters established 1989
Quality Assurance
Certified ISO 17025: 2017 - Euro Calibration ™ is a Trademark of Euro Products Limited