[neonixie-l] Re: Tube testing?

2017-05-13 Thread Paul Andrews
Before I proceed, I would like to paraphrase the original article I read on DecadeCounter (here presented to you courtesy of the WayBack machine, because I can't find the original any more):

Re: [neonixie-l] Re: Tube testing?

2017-01-26 Thread Paolo Cravero
On Mon, Jan 23, 2017 at 8:47 PM, Paul Andrews wrote: Hi Paul. > Is your tester anything like this one > ? I would love > to make one, though that isn't what I was asking about! > I made one of those out of a laptop CFL driver circuit.

Re: [neonixie-l] Re: Tube testing?

2017-01-23 Thread Instrument Resources of America
Neon/fluorescent bulb testers are readily available NIB on Ebay for $9-$10 (from Chine where else??). Just type in "fluorescent bulb tester". All it will tell you though is whether it is out-gassed or not. Ira. On 1/23/2017 11:47 AM, Paul Andrews wrote: Hi Phil, Is your tester anything lik

[neonixie-l] Re: Tube testing?

2017-01-23 Thread Paul Andrews
Hi Phil, Is your tester anything like this one ? I would love to make one, though that isn't what I was asking about! - Paul On Saturday, January 21, 2017 at 10:12:25 AM UTC-5, Paul Andrews wrote: > > Hi, > > I received a shipment of t

[neonixie-l] Re: Tube testing?

2017-01-21 Thread MichaelS
Welcome to the group, Paul. It's easy to test nixies. You just need a small high-voltage power supply and a current limiting resistor on the anode. I use a 47K resistor at 170 volts for most tubes. 5900's are smaller and should work well at 140V or so. I think the z5900m is a clear version o