Conventional NDT

Radiographic Testing
Advantages:

• Volumetric test
• Permanent visual image
• Portable equipment

Limitations:

• Safety! SAFETY!!
• Two side accessibility
• Planar flaws not detected

Ultrasonic Testing
Advantages:

• Volumetric test
• No safety limitations
• Single side access

Limitations:

• No permanent image
• Shape

Magnetic Particular Testing
Advantages:

• Low cost
•  Easy and effective
• Relatively quick results

Limitations:

• Surface test
• Specimen must be clean
• Ferro-magnetic materials only

Dye Penetrant Testing
Advantages:

• Low cost
• Easy and effective
•  Most materials

Limitations:

• Surface test
• Specimen must be clean
• Non-porous materials only

Holiday Testing

• Flaw “Holiday” Detection in non-conductive anti-corrosive coatings on materials
• "Spark" insulation testing audible and visual flaw indication
• Portable, rugged and reliable