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Re: UPS Can Be a Noise Source

Posted by Phil Kane-2 on Sep 01, 2017; 5:32pm
URL: http://elecraft.85.s1.nabble.com/Wattage-Draw-K3S-100-vs-KPA500-KAT500-for-UPS-tp7633842p7633958.html

On 8/31/2017 2:56 PM, Jim Brown wrote:

> All of the APC units for which I've seen spec sheets are FCC Part 15> Class A (the industrial spec, ILLEGAL to sell for residential use,>
roughly 20 dB worse than Class B).

The spec sheets for both of my APC UPS devices (BE550R and BX1500G)
specify FCC Part 15 Class B.

> Second, a local computer guru, AE6KS, has observed that most UPS mfrs charge batteries at too fast a rate for good battery life.

Both spec sheets show a recharge time of 16 hours.  Is that "too fast"?

73 de K2ASP - Phil Kane
Elecraft K2/100   s/n 5402

From a Clearing in the Silicon Forest
Beaverton (Washington County) Oregon
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