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NDT.net Issue - 2010-06 - NEWS

Olympus Introduces the 38DL PLUS Advanced Ultrasonic Thickness Gage
Olympus191, Waltham, MA [USA]

Issue: 2010-06
June 1, 2010, Olympus NDT, a world leader in nondestructive testing technologies, is pleased to introduce the handheld 38DL PLUS ultrasonic thickness gage-the most advanced and versatile thickness gage built to date. This unique instrument is compatible with the complete range of Olympus dual element and single element transducers that makes this innovative instrument an all-in-one solution for virtually every thickness gage application. Applications can range from wall thinning measurements of corroded pipes using dual element probes to very precise thickness measurements of thin or multilayer materials using single element transducers. Ultrasonic thickness measurements are accurate, reliable, and repeatable. Instant readings can be achieved from one side of a material, making it unnecessary to destroy the part.

The Olympus 38DL PLUS not only provides powerful measurement features but is also built for use in a wide range of weather conditions and difficult inspection environments. Its sealed case meets IP67 requirements to withstand the rigors of very wet or dusty environments while the transflective color LCD with full VGA resolution provides superior readability in bright sun light or complete darkness. It features a simple keypad that can be operated with the left or right hand for easy access to all important functions.

"This innovative instrument signals a new era in ultrasonic thickness gages. The fact that the 38DL PLUS can be used with dual (2 to 10 MHz) and single element transducers ranging from 0.5 MHz to 30 MHz solves the problem of having to buy two gages, one for corrosion applications and one for precision thickness measurements", says Steve Labreck, Product Manager for thickness gages at Olympus NDT.

The 38DL PLUS boasts powerful standard thickness measurement features and specialized software options. For corrosion detection applications, the gage offers Thru-Coat® and Echo-to-Echo to measure thickness with no need to remove paint and coatings, time-based B-scan that converts live thickness readings into cross-sectional drawings, and the patent-pending V-path Builder to build custom V-path compensation curve for dual element probes. In addition, the unit offers the optional boiler tube Oxide/Scale feature to measure the oxide/scale build-up inside boiler tubes, and EMAT capability to measure the wall thickness of boiler tube thickness without the need to remove external scale built-up.

When used with single element transducers, the 38DL PLUS makes accurate thickness measurements on many materials including metals, plastics, composites, glass, and ceramics. It also offers the optional High Resolution feature that allows very precise measurements with a resolution of 0.0001 in. or 0.001 mm. The Multilayer measurement option provides up to four simultaneous thickness readings of a multilayered material. The optional High Penetration feature makes measurements on very thick or sound-attenuating materials such as cast metals, rubber, and fiberglass.

For use with single and dual element transducers, the 38 DL PLUS offers standard features such as sound velocity readings, Time-of-Flight readings, Differential Mode, Reduction Rate Mode, and Material Temperature compensation.

The 38DL PLUS provides internal storage of inspection data of more than 475,000 thickness readings or 20,000 waveforms in various file formats. A Micro SD card allows the export of files in text or CSV formats and the ability to exchange inspection data in the field. The GageView Interface Program allows transfer of data with both standard USB and RS-232 ports.


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