[SEL] My 2 cents worth

[David Rotigel]

Yes, I not only have a tractor, but a MAYTAG and a screwdriver as well!
	Dave
PS, The tractor and the screwdriver work well
PPS, The MAYTAG works, well, like a MAYTAG!
PPPS, Have you heard the one about the bus driver and the screwdriver?

On Feb 21, 2010, at 8:23 AM, Alan wrote:

> That is okay, Ed.
> I also mave a huge tractor battery.
> I don't have a tractor though.
> Alan in Michigan
>
> PS Last I knew Dave had a tractor though.
>
> --- On Sat, 2/20/10, Ed Stoller <edstoller at earthlink.net> wrote:
>
>
> From: Ed Stoller <edstoller at earthlink.net>
> Subject: Re: [SEL] My 2 cents worth
> To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
> Date: Saturday, February 20, 2010, 9:24 PM
>
>
> Eldon,
>
> I should have given you the link;   http://www.allegromicro.com/en/  .
>
> I realize that the Zener is a pig on power, but I would use one of the
> tractor batteries I keep in the shop. ( Oops, I used the T word and am
> likely to set Dave off again.)
>
> I have several UGN 3503UA's  if you need one.
>
> Ed Stoller
> New Fairfield, CT
> http://home.earthlink.net/~edstoller/
> ----- Original Message -----
> From: "Elden DuRand" <edurand at mchsi.com>
> To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
> Sent: Saturday, February 20, 2010 10:50 AM
> Subject: Re: [SEL] My 2 cents worth
>
>
>> Ed:
>>
>> Recently, I updated my Magnet Tester page.  The version I built a few
>> years ago uses a 78L05 three terminal voltage regulator to allow a  
>> stable
>> supply voltage to the Hall circuit.  I also made a simple circuit  
>> to test
>> the battery using the meter on the tester.  Any reading over half  
>> scale
>> means the battery is still good.
>>
>> I wouldn't suggest using a Zener diode as a shunt regulator because  
>> they
>> are current hogs and are very temperature sensitive.
>>
>> Thanks for the part number.  When I get a chance, I'll see if they're
>> still available.
>>
>> Take care - Elden
>> http://www.oldengine.org/members/durand
>>
>>> -----Original Message-----
>>> From: sel-bounces at lists.stationary-engine.com
>>> [mailto:sel-bounces at lists.stationary-engine.com]On
>>>   Behalf Of Ed Stoller
>>> Sent: Friday, February 19, 2010 08:02 PM
>>> To: The SEL email discussion list
>>> Subject: Re: [SEL] My 2 cents worth
>>>
>>>
>>> I have a calibrated sensor ( A3516LUA) made by
>>> Allegro Micro Systems and
>>> distributed by Newark, I think I special ordered
>>> it. It has been a while;
>>> the Calibration table is dated 1997. It is too
>>> early to know if I am going
>>> to Portland, Ind, but it would be easy to bring.
>>>
>>> I am not satisfied with the 9 Volt battery source
>>> as I have to check to see
>>> if the battery is going dead. I would like to use
>>> a 12 Volt battery and
>>> Zener diode to substitute for it.
>>>
>>> Ed Stoller
>>> New Fairfield, CT
>>> http://home.earthlink.net/~edstoller/
>>
>>
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>
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