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- since 1996 -

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Technical Discussions
CArlos galán
NDT Inspector,
UIS - Universidad Industrial de Santander, Colombia, Joined Oct 2014, 22

CArlos galán

NDT Inspector,
UIS - Universidad Industrial de Santander,
Colombia,
Joined Oct 2014
22
04:08 Mar-12-2019
panametrics videoscan
zoom image


panametrics videoscan

Hello everyone,

Does anyone know how I can use this transducer and what applications does it have?

thanks

    
 
 
Edward Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1254

Edward Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1254
13:40 Mar-12-2019
Re: panametrics videoscan
In Reply to CArlos galán at 04:08 Mar-12-2019 (Opening).

Carlos, the probe you are asking about is a direct contact normal incidence shear wave probe.
See https://www.olympus-ims.com/en/shop/item/269-productId.570437046.html
It is a large element (1 inch diameter) very low frequency (250 kHz) unit. This must have been ordered for a very specific project, probably something related to civil engineering applications (e.g. concrete).

1    
 
 
Carlos Galán
NDT Inspector,
UIS - Universidad Industrial de Santander, Colombia, Joined Oct 2014, 22

Carlos Galán

NDT Inspector,
UIS - Universidad Industrial de Santander,
Colombia,
Joined Oct 2014
22
15:06 Mar-19-2019
Re: panametrics videoscan
In Reply to Edward Ginzel at 13:40 Mar-12-2019 .

I can use that transducer with an omniscan MX2?
the olympus website that you sent me does not work.

thanks for your help

    
 
 
Edward Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1254

Edward Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1254
15:20 Mar-19-2019
Re: panametrics videoscan
In Reply to Carlos Galán at 15:06 Mar-19-2019 .

Carlos, you can use the probe with any instrument that has a single channel pulse-echo capability. However, the problem will be getting a useful response. The MX2 has 2 monoelement (Lemo) connectors so it can be used in either pulse-echo or through-transmission. But the pulser is only adjustable from 30 ns to 1,000 ns. This range would accommodate 17MHz down to about 500kHz. As a result you will not be able to optimise for the 250kHz nominal frequency of the probe.
On the receiver side you will be close to the edge of performance but it should be OK as the receiver bandwidth is 0.25 MHz to 28 MHz (-3 dB)

1    
 
 
Anmol Birring
Consultant,
Birring NDE Center, Inc., USA, Joined Aug 2011, 720

Anmol Birring

Consultant,
Birring NDE Center, Inc.,
USA,
Joined Aug 2011
720
15:46 Mar-19-2019
Re: panametrics videoscan
In Reply to Carlos Galán at 15:06 Mar-19-2019 .

I have verified. It is in the Panametrics 2004 catalog V150. Normal Incidence Shear Wave 0.25 MHz, 1.0 inch dia.
Panametrics had many such specialty probes that were very useful for special applications

1    
 
 
Carlos Galán
NDT Inspector,
UIS - Universidad Industrial de Santander, Colombia, Joined Oct 2014, 22

Carlos Galán

NDT Inspector,
UIS - Universidad Industrial de Santander,
Colombia,
Joined Oct 2014
22
17:21 Mar-20-2019
Re: panametrics videoscan
In Reply to Anmol Birring at 15:46 Mar-19-2019 .


¿Do You know in which applications they use them?

thank you

    1
 
 
Carlos Galán
NDT Inspector,
UIS - Universidad Industrial de Santander, Colombia, Joined Oct 2014, 22

Carlos Galán

NDT Inspector,
UIS - Universidad Industrial de Santander,
Colombia,
Joined Oct 2014
22
17:27 Mar-20-2019
Re: panametrics videoscan
In Reply to Edward Ginzel at 15:20 Mar-19-2019 .

thank you

¿Which couplant do you recommend me to use?

    
 
 
Edward Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1254

Edward Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1254
17:51 Mar-20-2019
Re: panametrics videoscan
In Reply to Carlos Galán at 17:27 Mar-20-2019 .

Carlos, to couple SH shear waves from a piezo ceramic requires a nonNewtonian viscous fluid. Honey is a popular and inexpensive couplant used by many. There is a new polymeric couplant now available from Innovation Polymers (http://www.innovationpolymers.ca/). The owner, Rick MacNeil, calls his new couplant Aquabond. It is VERY viscous and not water soluble. This makes it ideal for long term coupling without worrying about the couplant evaporating like regular gels). It is also usable over a large temperature range. I cannot find the new material on the website yet so perhaps just send Rick an email if you want more information.

1    
 
 
Anmol Birring
Consultant,
Birring NDE Center, Inc., USA, Joined Aug 2011, 720

Anmol Birring

Consultant,
Birring NDE Center, Inc.,
USA,
Joined Aug 2011
720
18:15 Mar-20-2019
Re: panametrics videoscan
In Reply to Carlos Galán at 17:27 Mar-20-2019 .

We boil molasses and make it thicker for couplant

1    
 
 

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