Hi Clarke,
Please be aware that XC18 based clocks fail to count reliably in
complete darkness - my experience with one clock but I believe
experienced by others. I'd expect two electrode neons to behave
similarly but I've no direct experience. My XC18 clock I keep as a
demonstration clock
The IN-1 does not contain mercury, so it has a shorter lifespan. I had a
similar problem with some IN-4s. But that one, the zero, in the 10 hours
position, would be eaten away in only about a year. Of course, the little
tid bits of metal would short other nearby cathodes.
I think as a rule of
My answer to it is to have a toggle switch on my clocks
that turns the tubes on and off.
The tubes are off most of the time, and turned on
when the clock is to be enjoyed.
My most recent clock has (6) NL-6844A tubes, and those
don't have mercury.
Chuck
Original Message
From:
Nice and very interesting piece. It seems like the ZM1251 is just a version
with two decimal points. I wonder if those tubes had long life. Maybe you
could upload this tube to your site with more photos (when you have time
ofcrouse) as you do with normal nixie tubes.
On Thursday, 11 July 2013
