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GlenK
Participant

Join Date: Jan 2010
Posts: 1

Rogowski Coils

01/11/2010 9:49 AM

I am looking for inexpensive Rogowski coils for measuring 0-20A. I want a complete unit with 0-5v output to feed to an A/D. Also If you know of just a plain inexpensive coil that could be used as a starting block for me to build-up myself.

thanks
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RDGRNR
Guru
Engineering Fields - Instrumentation Engineering - New Member

Join Date: Dec 2009
Location: San Antonio, TX USA
Posts: 844
Good Answers: 29
#1

Re: Rogowski Coils

01/11/2010 12:43 PM

Try this;

www.alibaba.com/showroom/Rogowski_coil.html

Good luck.

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 "Do not worry about your difficulties in Mathematics. I can assure you mine are still greater". - Albert Einstein
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tcmtech
Guru

Join Date: Jun 2009
Location: South of Minot North Dakota
Posts: 8376
Good Answers: 775
#2

Re: Rogowski Coils

01/11/2010 12:43 PM

I don't know what a Rogowski coil is but I know a hall effect current transducer can be set up to provide 0 - 5 volts output over its intended range.
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welderman
Guru
Hobbies - DIY Welding - New Member

Join Date: Sep 2007
Posts: 1601
Good Answers: 58
#3

Re: Rogowski Coils

01/12/2010 8:22 AM

We are very pleased with the performance of the units we procure from http://homepage.ntlworld.com/rocoil/. Just remember that a Rogowski coil is not useful for DC.
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