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CR on pipes filled with water and/or oil
CR on pipes filled with water and/or oil
Hi everyone
I have a 4″ pipe sch160 with water (but it may also be oil or a mix). We have a CR system and we have to measure thickness. I can’t manage to get clear thickness and i can’t measure it. I’ve tried giving it 500% more time than the one it takes for an empty 4″ pipe with Ir192 of 6Ci.
At 45cm source to film distance I have 12 minutes more or less.
I’ve used double lead screen in the front as well as in the back for back scattering.
what could be happenig??
- 1 Reply
I suspect you are on or over the limit of what you can achieve with Iridium. Use Cobalt or go with ultrasonic wall thickness testing.
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