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Vallen-Systeme GmbH The Acoustic Emission Company! Since 1987 Vallen stands for competence and continuity in AE and for reliable business cooperation and support. 729 views Technical Discussions lns lns 02:36 Oct-15-2003 Resonant inspection transducers Hi all, Iam looking for transducers suitable for Resonant Inspection. Can anyone help me with it? Thanks, lns         Reply  Translate  Close   D D 03:30 Oct-15-2003 Re: Resonant inspection transducers Try Godfrey Hands Ltd in the UK(hands-ltd.demon.co.uk), or Quasar NDT, New Mexico, USA         Reply  Translate  Close   Godfrey Hands Consultant, PRI Nadcap, United Kingdom, Joined Nov 1998, 302 Godfrey Hands Consultant, PRI Nadcap, United Kingdom, Joined Nov 1998 302 06:23 Oct-15-2003 Re: Resonant inspection transducers ----------- Start Original Message ----------- : Hi all, : Iam looking for transducers suitable for Resonant Inspection. Can anyone help me with it? : Thanks, : lns ------------ End Original Message ------------ Hi, It depends on how you want to excite the parts and how you want to receive the vibrations. Also depends on the sample shape and dimensions. We market two transducer types, both of which operate by exciting the part with a swept sine wave and receiving the vibration with piezo transducers. One operates best as transmitter between 50 Hz and 30 KHz, and the other operates best as both transmitter and receiver between 10 KHz and 1 MHz. If you are using impact excitation and only interested in lower frequency vibrations, then Microphones (20 KHz upper limit) or accelerometers (upper limit 40 KHz) are suitable. Regards, Godfrey Hands.         Reply  Translate  Close   Georg Arnolds Georg Arnolds 06:27 Oct-15-2003 Re: Resonant inspection transducers ----------- Start Original Message ----------- : Hi all, : Iam looking for transducers suitable for Resonant Inspection. Can anyone help me with it? : Thanks, : lns ------------ End Original Message ------------ Try www.rte.de / Germany         Reply  Translate  Close

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