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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.
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Hergen Eilers
Hergen Eilers
03:07 Aug-07-2009
Commercial vendor for lead metaniobate transducer

Does anyone know where to purchase lead metaniobate transducer?

Thanks.

    
 
 Reply 
 
John Brunk
Engineering, NDT Level III
Self employed, part-time, USA, Joined Oct 1999, 160

John Brunk

Engineering, NDT Level III
Self employed, part-time,
USA,
Joined Oct 1999
160
13:19 Aug-07-2009
Re: Commercial vendor for lead metaniobate transducer
In Reply to Hergen Eilers at 03:07 Aug-07-2009 (Opening).

Most of the lead metaniobate transducers I have bought over the years have come from Ultran in Pennsylvania. The telephone number is 814 861 2001.

    
 
 Reply 
 
Rick Cahill
Engineering,
GE Inspection Technologies, USA, Joined Dec 2008, 40

Rick Cahill

Engineering,
GE Inspection Technologies,
USA,
Joined Dec 2008
40
13:27 Aug-10-2009
Re: Commercial vendor for lead metaniobate transducer
In Reply to Hergen Eilers at 03:07 Aug-07-2009 (Opening).

GE Sensing and Inspection Technologies manufactures transducers with Lead Metaniobate (LM) ceramic. Before you buy you'll need to know what size, frequency, and bandwidth you need for your application. There's no way to tell which probe models have LM in them other than to ask the manufacturer. If you are looking for sources of raw LM ceramic, I know of three; Keramos, Piezokinetics, and Del Piezo.

    
 
 Reply 
 
Christoph Schnitger
Christoph Schnitger
14:24 Aug-10-2009
Re: Commercial vendor for lead metaniobate transducer
In Reply to Hergen Eilers at 03:07 Aug-07-2009 (Opening).

Please be so kind to give a friend of mine, Mr. Justin Ji from the company CN Doppler
a mail. CN Doppler is one of the biggest manufacturer in the world for design / manufacturing
UT probes ( different styles , Phased array ) etc...

His mail adress : Xr.ji@cndoppler.cn or visit the webpage : www.cndoppler.cn

    
 
 Reply 
 
Justin
Engineering, Chief Engineer
Doppler Electronic Technologies Co., Ltd, China, Joined Sep 2009, 4

Justin

Engineering, Chief Engineer
Doppler Electronic Technologies Co., Ltd,
China,
Joined Sep 2009
4
09:01 Aug-28-2009
Re: Commercial vendor for lead metaniobate transducer
In Reply to Hergen Eilers at 03:07 Aug-07-2009 (Opening).

Thanks Christoph's recommendation.
Lead metaniobate is a special material for transducer. It's low mechanical QM, negligible aging, wide range of operating temperatures and small values for lateral and planar coupling compared to longitudinal coupling.
As used for transducer, it's good for single element thickness gauge probe.
We do have this material and some type of our probe use this material, such as our TS5P14T.
(5MHz, 14mm diameter, normal beam, hard protective face, dead area just is 2mm.)

    
 
 Reply 
 

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