Has anyone on this list had experience with the Sprague TO-6 capacitor
tester/analyzer? I started to cobble together a little supply and
metering
circuit for this purpose, but have a possible opportunity to get the TO-6.
I'd appreciate any insight on the unit.
Thanks,
Rick/K5IAR
Rick:
I've had the TO-6 for many years and it works well for me. I see them on
Ebay once in awhile for reasonable prices.
Also, you asked about reforming caps recently. I saw no other responses, so
let me say that I posted a request for information on leakage current a
couple of weeks ago and got numbers all over the map.
The response I liked best (and was closest to what I recall) was less than
50 microamps at full rated voltage.
I think that you also asked about leakage current at lower voltages.
Leakage current will go down as the voltage is reduced. If, for example,
you had a 450 volt cap that showed somewhat high leakage current at 450
volts, the leakage will be much less at 350 volts, and the cap may be
perfectly usable at that voltage, perhaps for years.
A cap tester, such as the TO-6, may be used as a reforming device, as well
as a tester.
73, Barrie, W7ALW
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