On 8/27/21 3:30 AM, Dana Whitlow wrote:
If my watch were that bad, I'd toss it out and go shopping for a new one.
I wonder if Leviton offers a version with an external ref input.
Dana
When your requirement is "turn the lights on and off with the sun" 5
min/year is pretty good.
OTOH, Perhaps there's an aftermarket for a modified version. Maybe
you've got a niche business opportunity there, Dana.
"Now, with improved accuracy!
Ovenized for better performance!
30 millsecond error in one year!
"
You might need to gradually change the frequency you feed it, though,
because I'll bet their sunrise/sunset algorithm doesn't implement the
equation of time. But if you're doing milliseconds, you'll need it.
On Fri, Aug 27, 2021 at 12:12 AM D. Resor <[email protected]> wrote:
I inquired with Leviton as to the accuracy of the VTP24 24 Hour
Programmable
Timer with DST.
https://www.leviton.com/en/products/vpt24-1pz
Don Resor
Here is the reply I received:
Hello,
Thank you for contacting Leviton technical support. According to the code
it
meets, it is required to have time keeping accuracy within 5 minutes every
year.
It also uses a crystal to keep time, as it must maintain the time even
during power outages.
Regards,
Virgilio Dominguez
Technical Services Representative II
Leviton Manufacturing Co., Inc.
201 North Service Road., Melville, NY 11747
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