Non Destructive Testing 3 min read
Leak Testing
What is a Leak? A leak is a flow of gas (or liquid) through the wall of a vessel (via…
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Laser Testing Methods
Laser Testing includes three techniques, Holography, Shearography and Profilometry. As the method name implies, all three techniques user lasers to perform the inspections.…
Non Destructive Testing 1 min read
Ground Penetrating Radar
What is Ground Penetrating Radar? Ground penetrating radar (GPR) is a non-destructive geophysical method that produces a continuous cross-sectional profile…
Non Destructive Testing 3 min read
GUIDED WAVE TESTING (GW) Overview
Guided wave ultrasonic testing detects corrosion damage and other defects over long 33 ft. – 165 ft. distances in piping.…
Non Destructive Testing 2 min read
Remote Field Sensing
Eddy current testing for external defects in tubes where external access is not possible (e.g. buried pipelines), is conducted using…
Non Destructive Testing 6 min read
Pulsed Eddy Current Inspection
Conventional eddy current inspection techniques use sinusoidal alternating electrical current of a particular frequency to excite the probe. The pulsed…
Non Destructive Testing 2 min read
Swept Frequency
Swept frequency eddy current techniques involve collecting eddy current data at a wide range of frequencies. This usually involves the…
Non Destructive Testing 3 min read
Multiple Frequency Techniques
Multiple frequency eddy current techniques simply involve collecting data at several different frequencies and then comparing the data or mixing…
Non Destructive Testing 2 min read
Advanced Techniques – Scanning
Eddy current data can be collected using automated scanning systems to improve the quality of the measurements and to construct…
Non Destructive Testing 2 min read
Thickness Measurements of Non Conducting Coatings on Conductive Materials
The thickness of nonmetallic coatings on metal substrates can be determined simply from the effect of liftoff on impedance. This method has widespread use…
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Thickness Measurements of Thin Material
Eddy current techniques can be used to perform a number of dimensional measurements. The ability to make rapid measurements without…
Non Destructive Testing 3 min read
Conductivity Measurements
One of the uses of eddy current instruments is for the measurement of electrical conductivity. The value of the electrical…