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- since 1996 -
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Technical Discussions
Dhiliban
Other, QA/QC engineer
L&T HCP, India, Joined May 2016, 16

Dhiliban

Other, QA/QC engineer
L&T HCP,
India,
Joined May 2016
16
03:02 Jul-14-2016
Probe index Significance

Dear All

Hi,What is the importance of probe index in Ultrasonic Testing

 
 Reply 
 
Boddu Pradeep
NDT Inspector,
India, Joined Feb 2016, 31

Boddu Pradeep

NDT Inspector,
India,
Joined Feb 2016
31
08:37 Jul-14-2016
Re: Probe index Significance
In Reply to Dhiliban at 03:02 Jul-14-2016 (Opening).

Dear Dhiliban,

I use Einstein II TFT , and my probe index point is 12, if i select index point 12 whilescanning it shows SD: x mm, suppose if i select 0 it shows SD: x + 12 mm, main difference is, in first case you measure sd from 0 of probe, in second case you should measure from index point of probe i.e, 12 towards the weld or other. I did not found any use.

 
 Reply 
 
Ian S
Ian S
09:03 Jul-14-2016
Re: Probe index Significance
In Reply to Dhiliban at 03:02 Jul-14-2016 (Opening).

You state that you are a QA/QC Engineer..
Yet you ask this question

 
 Reply 
 
Dhiliban
Other, QA/QC engineer
L&T HCP, India, Joined May 2016, 16

Dhiliban

Other, QA/QC engineer
L&T HCP,
India,
Joined May 2016
16
10:14 Jul-14-2016
Re: Probe index Significance
In Reply to Boddu Pradeep at 08:37 Jul-14-2016 .


Thanks pradeep for your clear explaination with apt example.

 
 Reply 
 
Dhiliban
Other, QA/QC engineer
L&T HCP, India, Joined May 2016, 16

Dhiliban

Other, QA/QC engineer
L&T HCP,
India,
Joined May 2016
16
10:20 Jul-14-2016
Re: Probe index Significance
In Reply to Ian S at 09:03 Jul-14-2016 .

Dear Mr.Ian
I worked with UT only for two months thats too before 2year's

While inreacting with my colleouge,i got little confusion,i dont want to carry the doubts even though it is basic,so i post this message.

Thanks for seeing my message and for your reply

Thanks

 
 Reply 
 
Andreas
NDT Inspector, Specially in the oilfield
Tuboscope Vetco(Deutschland)Gmbh, Germany, Joined Oct 1999, 131

Andreas

NDT Inspector, Specially in the oilfield
Tuboscope Vetco(Deutschland)Gmbh,
Germany,
Joined Oct 1999
131
16:25 Jul-15-2016
Re: Probe index Significance
In Reply to Dhiliban at 10:20 Jul-14-2016 .

Hallo Dhiliban ,

you need the index point to verify the angle of your probe.

How do you control the properties of your probe than ??

During wear of the probe you have chanfe of the angle.

Regards

Andreas

 
 Reply 
 
Boddu Pradeep
NDT Inspector,
India, Joined Feb 2016, 31

Boddu Pradeep

NDT Inspector,
India,
Joined Feb 2016
31
17:11 Jul-15-2016
Re: Probe index Significance
In Reply to Dhiliban at 10:14 Jul-14-2016 .

yes, index point is necessary for determining angle of probe.

 
 Reply 
 
Boddu Pradeep
NDT Inspector,
India, Joined Feb 2016, 31

Boddu Pradeep

NDT Inspector,
India,
Joined Feb 2016
31
17:29 Jul-15-2016
Re: Probe index Significance
In Reply to Boddu Pradeep at 17:11 Jul-15-2016 .

I think it is right to say angle of beam rather than probe.

 
 Reply 
 
Ian S
Ian S
19:00 Jul-15-2016
Re: Probe index Significance
In Reply to Dhiliban at 03:02 Jul-14-2016 (Opening).

Ok, so we've just aquired a transducer ( probe ) what's the first thing we do ? Determine the index point !! Otherwise how will we know what the angle is -> how can we determine where any indications are etc, etc....
Basic trainee knowledge...

 
 Reply 
 
Nigel Armstrong
Engineering, - Specialist services
United Kingdom, Joined Oct 2000, 1096

Nigel Armstrong

Engineering, - Specialist services
United Kingdom,
Joined Oct 2000
1096
16:44 Jul-18-2016
Re: Probe index Significance
In Reply to Dhiliban at 10:20 Jul-14-2016 .

Dhiliban

'I worked with UT only for two months thats too before 2year's'

But your profile says you are 'ASNT II UT'. Thiis means you have completed the required theoretical and practical training say 120 hours classroom for Level 2 during which time you should have demonstrated your proficiency at basic calibration tasks. Plus 6 months on the job training in which to hone your skills.

You could also re-read your training notes which must cover determining the maximum sound intensity exit point from probes. Once these basic lessons are learned they should not be forgotten. For a certified UT Level 2 to be asking this question on an open forum brings the certification system into disrepute.

 
 Reply 
 
Chibuzor
Consultant,
United Kingdom, Joined Jun 2016, 6

Chibuzor

Consultant,
United Kingdom,
Joined Jun 2016
6
18:23 Jul-18-2016
Re: Probe index Significance
In Reply to Nigel Armstrong at 16:44 Jul-18-2016 .

Nigel,

Certification in the industry has been bastardised.

 
 Reply 
 

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