[volt-nuts] volt-nuts Digest, Vol 91, Issue 1

[Dan Kemppainen]

I'd avoid alkaline batteries. I picked up a high resolution data logger to monitor some long term voltages, and as it had extra channels I hooked up a battery to it. The battery was meant as a sanity check. As it turned out, the battery made a really nice thermometer! 

It turns out the reference I intended to monitor was much more stable than the battery.

But, maybe a battery in an oven may work...

Dan


On March 11, 2017 12:00:02 PM EST, volt-nuts-request at febo.com wrote:
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>   1. Short term "standard" cell? (kc9ieq)
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>----------------------------------------------------------------------
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>Message: 1
>Date: Sat, 11 Mar 2017 10:51:52 -0600
>From: kc9ieq <kc9ieq at yahoo.com>
>To: Discussion of precise voltage measurement <volt-nuts at febo.com>
>Subject: [volt-nuts] Short term "standard" cell?
>Message-ID: <skgc9306g1qw6c707ldgl6op.1489250573429 at email.android.com>
>Content-Type: text/plain; charset=utf-8
>
>In preparation of (hopefully!) Getting that fluke 332A running and
>sticker shock of what the 732A and similar references go for, I wonder
>about normal, every day alkaline or lithium batteries and their short
>term stability.  
>Here's the half baked idea.  A fresh, standard 1.5V, or 3V lithium,
>alkaline, or silver oxide button cell battery, or even an AA sized
>cell, measured by someone/some place with a known accurate precision
>meter.  Invisioning 6 or so decimal places.  Could that cell then be
>shipped, and used as a reference in another altitude?  I haven't spent
>a ton of time looking, but haven't yet found anything on the web about
>stability of these types of batteries.
>Regards, Chris 
>
>
>Sent from my SMRTphone
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>End of volt-nuts Digest, Vol 91, Issue 1
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