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RE: (ET) batteries
- Subject: RE: (ET) batteries
- From: "Hazen, Dwight L" <hazen indiana edu>
- Date: Mon, 26 Mar 2001 14:11:47 -0500
- Sender: owner-elec-trak cosmos phy tufts edu
Yes, I have head the same thing from the Telco industry. Internal impedance
is the test they use.
Dwight
Dwight L. Hazen, Indiana University, UITS
Bloomington, In. 47408-7378 Phone 812-855-5367 hazen indiana edu
http://php.ucs.indiana.edu/~hazen/ Ham Radio wb9tlh arrl net
> -----Original Message-----
> From: Neil Dennis [SMTP:wombat RealNS com]
> Sent: Monday, March 26, 2001 1:26 PM
> To: Elec-trak
> Subject: (ET) batteries
>
> Just reading an interesting article in an industrial mag. with a side
> bar about battery maintenance. The major point was that a hygrometer
> was vasically useless to determine true battery condition ??? They
> stated the right way was to measure internal impedance - Motorola used
> to make a tester that did just that - Sears was the major customer.
>
> any comments ?
>
> wombat