Reference defect standards - Borehole

Reference defects for calibration of inspection systems using rotating probes

Accurate setting and checking. Reference standards with defined crack-type defects are used for precise adjustment and verification of inspection systems for eddy current testing of boreholes with rotating probes. They enable reproducible calibration and support reliable detection of discontinuities during borehole inspection.

FOERSTER provides two proven standard versions:

  • Calibration block SCCS (split design)
  • Calibration block CSRP (with notch)

These reference standards are specifically designed for calibration of inspection systems used in combination with rotating probes. They support accurate sensitivity adjustment and verification of system performance before and during inspection tasks.

In addition to standard versions, customized reference standards are available. Parameters such as material, borehole geometry, defect type, dimensions, or mechanical configuration can be adapted according to customer-specific inspection requirements.

Product highlights

Your advantages at a glance

  • Reproducible system calibration: Defined reference defects enable reliable adjustment of inspection sensitivity.
  • Optimized for rotating probe inspection: Specifically designed for calibration of borehole inspection systems using rotating probes.
  • Proven standard versions available: Calibration blocks SCCS (split design) and CSRP (with notch) cover typical inspection requirements.
  • Reliable system performance verification: Supports regular functional checks before and during inspection procedures.
  • Customized reference standards available: Adaptation possible regarding material, borehole geometry, defect type, and dimensions.

Technical information

Standard versions: 
  • SCCS (split design)
  • CSRP (with notch)
Application:

Calibration of rotating probe systems for borehole inspection
(e.g. with HRO)
Reference defect type:
  • SCCS: defined crack-type reference defect in borehole area
  • CSRP: defined reference notch (0.3 mm)
Dimensions:
  • SCCS: Ø 36 mm, length 45 mm
  • CSRP: Ø 39 mm, length 40 mm
Borehole geometry:
  • SCCS: tapered reference bore Ø 13.8 mm – Ø 22.7 mm
  • CSRP: central reference bore Ø 6.5 mm
Materials: Standard materials available; customer-specific materials on request
Customization:

Adaptable regarding material, bore diameter, defect geometry, dimensions and configuration
Compatibility:

Suitable for inspection systems using rotating probes for borehole testing

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