Ultrasonic Testing

Ultrasonic Testing is an NDT Service provided by InCon across the UK. Ultrasonic Testing uses sound waves of short wavelength and high frequency to detect flaws or measure material thickness. Such mechanical waves can travel large distances in fine grain metal, in the form of a divergent wave with progressive attenuation.

Ultrasonic Testing involves pulsed beams of ultrasound. In the simplest instruments a single probe, hand-held, is placed on the specimen surface. An oscilloscope display with a time-base shows the time that it takes for an ultrasonic pulse to travel to a reflector (a flaw, the back surface, or other free surfaces) in terms of the distance across the oscilloscope screen – the so-called A-scan display.

The height of the reflected pulse during Ultrasonic Testing is related to the flaw size as seen from the transmitted probe. The relationship of flaw size, flaw distance and flaw reflectivity are complex and considerable skill is required to interpret the display.

Ultrasonic Testing is used to test welds, castings and wrought products e.g. rolled plate or forgings.

Our Ultrasonic Testing Technicians

All our Ultrasonic Testing Technicians are PCN LII qualified and are Confined Space Trained, all carry the latest Digital Sets and Laptops so that reports can be generated on site for instant results.

We also have Cygnus Intrinsically Safe Thickness Meters which are ideal for use in potentially explosive environments such as Chemical Plants / Gas Plants, these sets also mean there is no need for removing paintwork / rust etc.

Teletest Focus for Long Range UT

Teletest® was the first commercially available system to utilise long-range guided wave ultrasonic testing for detecting corrosion in pipelines. TWI developed the technology in response to requests from Industrial Members in the Oil, Gas, and Petrochemical industries.

These companies required an NDT method capable of detecting corrosion in pipes and pipelines at areas inaccessible for inspection by conventional NDT methods, i.e. insulated and sleeved pipework, or pipelines running under roads or elevated on pipe racks, etc. The original Teletest® equipment has been replaced by a system with a greatly enhanced capability and the flaw detector is sold under the Teletest Focus trade mark.