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- since 1996 -

Vallen-Systeme GmbH
The Acoustic Emission Company! Since 1987 Vallen stands for competence and continuity in AE and for reliable business cooperation and support.
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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 
 
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 
 
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 
 
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 
 

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