How a smoke detector works

[Mark Whittington]

It's actually "check your smoke detector batteries when you change your
clocks," not "change."

73,

-Mark KA8I


On Sun, Mar 13, 2011 at 11:03 PM, Chip Fetrow <tacos at fetrow.org> wrote:

> Someone needs to explain this to me.
>
> I need to change my smoke detector battery once a year.  OK, let's assume I
> buy that.
>
> Why in the world should I change my battery when I go to Daylight Savings
> Time, THEN DO IT AGAIN WHEN WE RETURN TO STANDARD TIME?
>
> This is just stupid and even insane.
>
> MANY smoke alarms will run 10 YEARS on one battery, so why not test them
> every month to ensure they are working, and replace the battery as soon as
> the smoke alarm complains?
>
> EVERY smoke alarm will sound a beep every few minutes when the battery is
> low, so why not replace it then?
>
> I am fine with being safe, but why fill our landfills with partially
> charged primary cells?  It is just stupid.
>
> --chip
>
> On Mar 13, 2011, at 1:00 PM, tacos-request at amrad.org wrote:
>
>  Message: 3
>> Date: Sun, 13 Mar 2011 09:46:39 -0600
>> From: Joseph Bento <joseph at kirtland.com>
>>
>>
>> Speaking of which....  Here in the USA, anyway, it is time Daylight
>> Savings again, and time to change the batteries in your smoke detectors.
>>
>> Joe, N6DGY
>>
>
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