[Elecraft] Items you think you can depend on

[Jeremiah Peschka]

I’m using an APC UPS as both backup power and a line conditioner. I found it on Amazon for $170 https://smile.amazon.com/gp/product/B003Y24DEU/

I also keep a second 865W battery backup unit attached to it, just out of paranoia.

Jeremiah Peschka
KG7TXV

On Sep 5, 2017, 11:13 -0700, Mike Rhodes <w8dn.mike at gmail.com>, wrote:
> So what are people using to monitor their 120/240 mains? Just curious
> but wondering if this is something I should be doing.
>
> Mike / W8DN
>
> On 9/4/2017 1:32 PM, Mel Farrer via Elecraft wrote:
> > Funny you posted this.
> > I monitor BOTH sides of the 110/220 VAC service and have alarms set to trigger either line >125 or >250 VAC. Being in the country THINGS happen.
> > Always expect the unusual.
> > Mel, K6KBE
> >
> >
> > From: David Robertson <kd1na363 at gmail.com
> > To: Elecraft <elecraft at mailman.qth.net
> > Sent: Monday, September 4, 2017 9:39 AM
> > Subject: [Elecraft] Items you think you can depend on
> >
> > Everyone,
> >
> > Over time we can grow complacent on many service items such as electrical
> > power, water and other services over time. Well that can be concerning as
> > many hidden changes can result in damage to your home and equipment.
> >
> > Late late night I came in to my den and was closing down my ham station
> > when I notice my fault light on my KPA500 linear was on. I powered it down
> > and retired for the evening. This morning I powered up the linear (KPA500)
> > and at once I got a fault light and had a high voltage alert. I powered
> > down the linear and checked my input line voltage. It was 137 volts RMS! To
> > be sure it wasn't my imagination I rechecked the voltage with a different
> > meter with the same result. In checking the 220 volt outlet I measured 274
> > volts! My linear is set up for 220 volts operation and it was getting over
> > 90 volts HV.
> >
> > I alerted the neighbors and cut the main breaker to the house. I then
> > called the power company's service number and reported the problem. A short
> > time later they called me back and reported that a regulator in the local
> > sub station had "Stuck" and was reset. In rechecking my line voltage it was
> > 118 volts on the low side and 236 volts on the high side.
> >
> > In the 12 years we have been at this qth we found that our town's locally
> > run power company has been very reliable but this experience showed me that
> > it is not a bad idea to check your line voltage every once in a while.
> > 73
> >
>
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