Overview of Laser Profilometry

Laser Profilometry is a non-contact, nondestructive testing technique used to scan and map the surface of an object. Over the last 15 years, advancements in miniature optics, signal processing electronics, and data presentation software have made laser profilometry a viable NDE tool for a number of applications in the processing industries, including pipeline, boiler tube, and coke drum inspections. Laser profilometry is often used as a follow-up procedure to in-line inspection in order to help validate any detected corrosion or other forms of material degradation. One major advantage of this method is it’s speed. It is able to gather substantial quantities of accurate data much more quickly than other moe traditional methods.

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Articles about Laser Profilometry

Laser Profilometry Applied To Catalyst Tubes In Reformers For Ongoing Condition Monitoring of Creep Damage

November/December 1999 Inspectioneering Journal

By Richard D. Roberts at Quest Integrity Group

Steam reformers are an integral part of ammonia, methanol, hydrogen, and gas process plants around the world. THey are one of the highest cost, both in capital and maintenance, pieces of equipment in the plant. Typically, reformers contain several hundred vertically oriented straight tubes, referred to as catalyst tubes. These tubes represent a significant cost for replacement and can be a major source of plant unavailability if unplanned failures occur.

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Rotating Laser Profilometry Adapted for Use in Convection Furnace Tubes, Boilers and Fin-Fan Coolers

May/June 1995 Inspectioneering Journal

By James L. Doyle at Quest Integrated, Inc.

Over the past ten years a broad family of laser-based nondestructive testing systems has been in development. These tools are used for the inspection and measurement of internal surfaces of tubes ranging in size from 5/8-inch to 3-inches in diameter.

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News related to Laser Profilometry

Quest Integrity Group Introduces LOTIS® Animation

News

March 18, 2013

Quest Integrity Group, a global leader in the development and delivery of advanced inspection and engineering assessment services and software products, introduces a new animation of its LOTIS (Laser Optic Tube Inspection System) technology.

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