[time-nuts] Are there any company selling refurbished/reconditioned Cesium tubes?
Glen English VK1XX
glenlist at pacificmedia.com.au
Sun Jun 30 22:20:20 UTC 2019
Bob, are there any URLs you can point to, or provide advice on, if
inspecting a Cesium for sale, is there an hour counter, or other metrics
that can be measured in the tube department ? (I am familiar with TWTs,
Klystrons etc so the HV doesnt bother me) in order to ascertain the
level of life left ?
that is, apart from turning it on and waiting a while and measuring ADEV
for a week.... on the sellers premises.
glen
On 1/07/2019 7:09 AM, Bob kb8tq wrote:
> Hi
>
> Based on several replacements on a “high performance” 5071 …. 6 to 7 years of 24/7/365 seems to
> be about the point things start to get flakey. Maybe not dead, but crazy enough that it lets you know
> it needs a new tube ( = ADEV is not even close to what it should be ..).
>
> Cost several years back for the swap out was right at $40K. The process included hazmat shipping
> silly nonsense. That part delayed the process by almost 2 months.
>
> Bob
>
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