Measure true thickness through 20mm of paint!

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Find corrosion under paints and coatings, up to 20mm in thickness, and measure true material thickness.

With advanced Multiple-Echo technology, the Portagauge® 5 effortlessly:

  • Multiple-Echo: Ignores paint coating layers up to 20mm in thickness. 
  • Built-in Material Database: 12 different materials pre-loaded, inc. metals and plastics.
  • Customisation: Different frequency sensors, and ability to input sound velocity to test custom materials
  • A-Scan Functionality: Observe material condition and verify correct return backwall echo.
  • Oscilloscope: Trace to improve your measurement accuracy
  • LCD Display: Built-in backlight to allow you to work in those often dark and poor spaces.

Recent Case Studies

Successfully utilization of the Portagauge® 5 by an airline in the Faroe Island.

multiple echo thickness gauge for testing aluminium sheets on aircrafts
– supplied the Portagauge® 5 with a 6mm diameter probe to support the customer’s needs

Customer in Trujillo, Peru used the Portagauge® 5 to successfully test various materials.

– excellent results using our thickness measurements on copper, metal and glass
– accurate to +/- 0.1mm
– data of 12+ different materials pre-loaded in the unit

Get in touch

You can reach us anytime via phone or email, we aim to respond to all enquiries within 24 hours (excluding weekends and bank holidays)


Come say hello at our Technical Laboratory.

Coltraco Ultrasonics
NETPark Research Institute
Joseph Swan Road
TS21 3FB

United Kingdom


Monday - Friday (excluding bank holidays) from 8:30am to 6:00pm, UK.

Tel (Sales & HQ): +44 20 7629 8475
Tel (Technical): +44 1740 618 240