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RE: (ET) batteries




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