One of these industries is the steel industry for which Rohmann developed the HST-3. The abbreviation HST stands for Hard Spot Tester. The inspection trolley detects partial material hardenings, so called hard spots. The minimalistic design of the HST-3 is due to the rough environment in steel mills, where it is deployed. The trolley is designed for the manual testing of large semi-finished products with the Eddy+ procedure. The patented and unique testing method has also been developed by Rohmann.
The maximum testing width is 64 cm. Eight probes each with eight integrated single sensors are employed. The HST-3 operates independent of the mains owing to the integrated lithium-ion batteries. The digital ELOTEST PL600 eddy current testing instrument is integrated in the carriage. The instrument is the latest technical development by Rohmann. It excels due to the unsurpassed signal purity and also its modular structure. The recorded test results are displayed on a toughbook, which is included in the delivery.
ROHMANN GmbH is a leading German manufacturer of eddy current testing equipment and systems for non-destructive material testing (NDT). Since 1977 the family-owned company based in Frankenthal, Palatinate, has been developing, producing and selling testing equipment and systems that are used today worldwide in crack, heat treatment, material mix-up and grinding burn testing for well-known companies in the aerospace, automotive, rail, energy (e.g. power plants, renewable energies) and steel industries. In addition to small manual testing devices, the range also includes line devices and handling systems that are completely integrated into the production process, as well as highly complex robot-based testing systems that perform the most demanding testing tasks with the highest quality and precision.
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