Non-Destructive Materialtesting

EWIS AG has high skills in stationary and mobile X-ray- and ultrasonic-testing, as well as surface-crack-testing by magnetic particles and penetration.

All NDT-inspectors are certified in accordance to EN 473 as well as ISO 9712, Level 2. This business unit is also covered by an EN ISO 17025-Accreditation. Supervisors with Level 3 certificates (also ASME) could be provided by EWIS AG for UT, RT, MT, PT and VT.


Components, machinery and heavy work pieces could be examined in our special equipped laboratories with high significance.


  • Ultrasonic testing
  • TOFD-method (Time of Flight Diffraction)
  • Phased Array
  • X-ray testing (X-rax tube 200KV/300KV)
  •  Surface crack testing (magnetic particles and penetration)
  • Wall thickness testing
  • Coat testing
  • Grinding burn testing acc. ISO 14104
  • Visual testing
  • Mobile bolt load testing
  • Mobile sorting control by SpectroPort
  • Acceptance
  • Supervision
  • Creating testing procedures
  • Supporting revision of plants