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Reference Test Block N.2

The reference block type 2 (ISO 3452-3) is used for verification of the penetration system's (ISO 3452-1) operation (performance) at the beginning of each period.

This reference block is composed from 2 parts:

  • defect surface
  • rinsing surface

 PT PFINDER Reference Test Block No2PT PFINDER Reference Test Block No2

The defect surface contains 5 imprints with graduating scales:

imprint n. 1 2 3 4 5
diameter [mm] 3.0 3.5 4.0 4.5 5.5

 

PT PFINDER Reference Test Block No2PT PFINDER Reference Test Block No2

The rinsing surface enables verification of washing away ability of penetration agents and it is composed from 4 fields with graduating roughness:

field 1 2 3 4
roughness Ra [µm] 2,5 5 10 15

 

This gauge can by no means be used as equivalent where the use of PSM-5 is prescribed.

 

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