QSR® at the ECNDT 2018 by NDT.net GUL's latest development: the QSR1® was featured in the video made by NDT.net of the ECNDT 2018 Exhibition. Brochures: QSR® Brochure (PDF in English) QSR® Presentation Related Links: "QSR® - Guided Wave Scanning Revolution" QSR® System GUL Product Overview