Re: How does a clamp-on ammeter work?

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Article #14784

#14784

From: Tony stewart
Date: Thu, 19 Nov 1992 08:34

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ballen@convex.csd.uwm.edu (Bruce Allen) writes:

> The title says it all:
> "How does a clamp-on ammeter work?"
> I'm thinking about one of the gadgets used to measure the 
> current in an automobile charging circuit, for instance.
> It has a pair of thick "jaws" that encircle the lead in 
> question, and a meter that reads out the current passing 
> through the encircled region, without intrusively breaking
> or touching the wire.  Does it sense the B field?  If so, how?
> 	Thanks,
> 		B. Allen
> 
> Please reply to ballen@dirac.phys.uwm.edu
> 

HALL EFFECT DEVICES do the job nicely.

dino@inqmind.bison.mb.ca
The Inquiring Mind BBS, Winnipeg, Manitoba  204 488-1607

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From: dino@inqmind.bison.mb.ca (Tony stewart)
Newsgroups: sci.electronics
Subject: Re: How does a clamp-on ammeter work?
Message-ID: <qN0guB5w165w@inqmind.bison.mb.ca>
Date: Thu, 19 Nov 92 02:34:13 CST
References: <1eckcsINNb78@uwm.edu>
Organization: The Inquiring Mind BBS  1 204 488-1607
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