One of the most reliable ways to conduct ultrasonic inspection is via the Multiple Echo technique, pioneered by Cygnus Instruments Ltd. This allows you to measure metal thickness to determine wastage and corrosion.
Only Multiple Echo can give the true substrate thickness and ignore coatings up to 6mm thick. Our range of Cygnus Ultrasonic Metal Thickness Gauges relies on this technology to enable you to measure through coatings and on badly corroded metals.
Advantages of Multiple Echo measurements:
- Coatings do not have to be removed since it measures only the metal thickness
- No grinding – minimum surface preparation
- Measures on rough, uneven surfaces
- Fast, accurate and reliable
- No false readings – repeatable results
- Easy to use – minimum operator training
- Greatly reduces inspection time and cost
- Recommended by Classification Societies when measuring through coatings on ships
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