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- since 1996 -
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Technical Discussions
serge
serge
16:24 Nov-29-2019
UT Calibration using (mm dia. ERG)

Hi, I like to know if there is an equivalence between a DGS curve and the method using " mm dia. ERG"

 
 Reply 
 
Edward Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1282

Edward Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1282
17:30 Nov-29-2019
Re: UT Calibration using (mm dia. ERG)
In Reply to serge at 16:24 Nov-29-2019 (Opening).

What is ERG abbreviating please.

 
 Reply 
 
Serge
Serge
17:59 Nov-29-2019
Re: UT Calibration using (mm dia. ERG)
In Reply to Edward Ginzel at 17:30 Nov-29-2019 .

Hi Mr Ginzel, I saw ERG in a customer spec. under maximum acceptability, this spec. is only in english. Since this time I reed other specs of same customer and those specs are in english and german. I saw than ERG is the translation or ERS in english. Thanks for your answer

 
 Reply 
 
Edward Ginzel
R & D, -
Materials Research Institute, Canada, Joined Nov 1998, 1282

Edward Ginzel

R & D, -
Materials Research Institute,
Canada,
Joined Nov 1998
1282
18:17 Nov-29-2019
Re: UT Calibration using (mm dia. ERG)
In Reply to Serge at 17:59 Nov-29-2019 .

Serge, I am not aware of any common English terms that ERG would abbreviate. But if you need to find equivalence between the common reflectors used for calibrations then perhaps the old Ermolov equations can help. The software is still available as a free download at https://www.ndt.net/article/v07n01/ginzel/ginzel.htm

Ed

 
 Reply 
 
Udo Schlengermann
Consultant, -
Standards Consulting, Germany, Joined Nov 1998, 178

Udo Schlengermann

Consultant, -
Standards Consulting,
Germany,
Joined Nov 1998
178
11:01 Nov-30-2019
Re: UT Calibration using (mm dia. ERG)
In Reply to Edward Ginzel at 18:17 Nov-29-2019 .

Dear colleagues,

the abbreviations in question seem to be taken from a German spec and its English version.
ERG = Ersatzreflektorgroesse (equivalent reflector size, disk-shaped reflector)
ERS = Equivalent reflector size.

With best regards
Udo Schlengermann

 
 Reply 
 

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