Searching \ for 'OT: measuring megagauss' in subject line. ()
Make payments with PayPal - it's fast, free and secure! Help us get a faster server
FAQ page: www.piclist.com/techref/index.htm?key=
Search entire site for: 'measuring megagauss'.

Truncated match.
PICList Thread
'OT: measuring megagauss'
2000\01\19@141504 by Alice Campbell

flavicon
face
I have just been asked, by a desperate person, what instrument will
measure magnetic fields in the megagauss range (he's trying to
draw a chalk line on the floor saying, do not bring credit cards
across this line).  What do i tell him to rent???
thanks,
alice

2000\01\19@142058 by Steven Rightnar

flavicon
face
Are you sure it is megaGauss? I measure in the milli.
----- Original Message -----
From: "Alice Campbell" <spam_OUT1502amcTakeThisOuTspamLO.SCSENG.COM>
To: <.....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU>
Sent: Wednesday, January 19, 2000 12:08 AM
Subject: OT: measuring megagauss


| I have just been asked, by a desperate person, what instrument will
| measure magnetic fields in the megagauss range (he's trying to
| draw a chalk line on the floor saying, do not bring credit cards
| across this line).  What do i tell him to rent???
| thanks,
| alice
|

2000\01\19@142928 by Alice Campbell

flavicon
face
yes, Mega.  the magnets are the size of Volkswagens.

> Are you sure it is megaGauss? I measure in the milli.
> {Original Message removed}

2000\01\19@150650 by Dave VanHorn

flavicon
face
> > | I have just been asked, by a desperate person, what instrument will
> > | measure magnetic fields in the megagauss range (he's trying to
> > | draw a chalk line on the floor saying, do not bring credit cards
> > | across this line).  What do i tell him to rent???
> > | thanks,
> > | alice

For low coercivity credit cards, you need about 300g to affect the data.
Inverse square law applies, so at whatever distance you measure 300g, at
twice that distance you'll be at 75, and at half, 600.

Use a gaussmeter, but beware, the inexpensive probes-meters are single-axis.
This means that you will have to turn the probe around in all directions to
be sure you have read the strongest vector.

Otherwise, get some old credit cards, check them to make sure that they
read,  and put them on posts at pocket level, at varying distances. Find the
farthest one that fails to read properly after exposure, and draw your line
at 2x that distance.

2000\01\19@150855 by Dave VanHorn
flavicon
face
Actually, I've got a nice lakeshore cryo gaussmeter sitting here doing
nothing.
I could rent it out..

2000\01\19@151731 by James Paul

flavicon
face
How about a fence?   Seriously, We have a Gauss meter that is
capable of measuring to about 30,000 Gauss, but megagauss?
Sounds too powerful to me.  Is this guy working with
superconducting magnets possibly?   Anyway, you might try
a company by the name of MAGNETIC INSTRUMENTATION Inc.
They are located at 8431 Castlewood Drive, Indianapolis, In.
46250  Phone: (317)-842-7500   Fax: (317)-849-7600
They will be able to tell you what you need and whether or
not they have instruments capable of such strengths.

                                           Good Luck,

                                            Regards,

                                              Jim



On Wed, 19 January 2000, Steven Rightnar wrote:

>
> Are you sure it is megaGauss? I measure in the milli.
> {Original Message removed}

2000\01\19@152136 by James Paul

flavicon
face
Wouldn't it be 1200 at half the distance?

                                    Jim


On Wed, 19 January 2000, Dave VanHorn wrote:

{Quote hidden}

jimspamKILLspamjpes.com

2000\01\19@154718 by Dave VanHorn

flavicon
face
> Wouldn't it be 1200 at half the distance?

Yes.. DOH!

2000\01\19@193940 by Dave VanHorn

flavicon
face
So, Gaussmeter on the way, fedex morning delivery (What a FUN sleighride
that was!)

So can you elaborate on the situation? You've got me interested :)

2000\01\19@235403 by Ravi Pailoor

flavicon
face
part 0 1232 bytes content-type:text/x-vcard; charset=us-ascii; (decoded 7bit)

Pailoor

Alice Campbell wrote:
>
> yes, Mega.  the magnets are the size of Volkswagens.
>
> > Are you sure it is megaGauss? I measure in the milli.
> > {Original Message removed}

2000\01\20@070756 by paulb

flavicon
face
Dave VanHorn wrote:

> So can you elaborate on the situation? You've got me interested :)

 It's a Nuclear Magnetic Resonance (NMR) Imager.  To be Politically
Correct, now called a MRI ("No Nuclear" you see...)
--
 Cheers,
       Paul B.

2000\01\20@125202 by Dave VanHorn

flavicon
face
>   It's a Nuclear Magnetic Resonance (NMR) Imager.  To be Politically
> Correct, now called a MRI ("No Nuclear" you see...)
> --
>   Cheers,
>         Paul B.

I see. Got to avoid mentioning that YOURE FULL OF ATOMIC PARTICLES!!!

More... (looser matching)
- Last day of these posts
- In 2000 , 2001 only
- Today
- New search...