Magnetic Level Transmitter

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Knowsome Active Contributor Join Date: Mar 2012 Posts: 10	Magnetic Level Transmitter 04/09/2012 11:22 PM
	Why magnetic level transmitter used for a vessel or container made of super-duplex stainless steel does not work? Is this due to magnetic field being affected by the steel ?
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lyn Guru Join Date: Oct 2008 Posts: 42355 Good Answers: 1693	#1 Re: Magnetic level transmitter 04/10/2012 12:14 AM
	Did you plug it in?
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Knowsome Active Contributor Join Date: Mar 2012 Posts: 10	#2 In reply to #1 Re: Magnetic level transmitter 04/10/2012 12:37 AM
	ha..ha..ha...of course.
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#3 Re: Magnetic level transmitter 04/10/2012 3:30 AM
	Without being able to see from here, it is not possible to offer guidance without substantially more information. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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WJMFIRE Guru Join Date: Apr 2009 Location: USA, Florida Posts: 1595 Good Answers: 125	#4 Re: Magnetic Level Transmitter 04/10/2012 4:22 PM
	If the steel is 400 series it will be magnetic. If it is 300 series (304, 316) it will not be magnetic. If you have non-magnetic stainless steel, I think we have found the problem. Unless I am misunderstanding your question. __________________ An obstacle is something you see when you take your eyes off the goal.
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LJGremillion Active Contributor Join Date: Sep 2008 Location: Prairieville, Louisiana Posts: 10	#5 Re: Magnetic Level Transmitter 06/14/2012 12:37 PM
	Yes, it is affected by the steel of your vessel. Unlike 3XX series stainless steel, super-duplex stainless steel has magnetic properties. This causes the magnetic field in the float used in most magnetostrictive level transmitters to be somewhat absorbed by the vessel. The float's magnetic field usually causes the sensor to detect at a certain point (the float's level), but with the vessel you have it is spread out over the sensor. __________________ Remember, no matter where you go, there you are.
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Knowsome (1); LJGremillion (1); lyn (1); PWSlack (1); WJMFIRE (1)

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