I agree that it's a bit much for testing nixies, which are inherently low current devices.
Certainly, the unit has both adequate voltage and current for the task at hand. If you do end up purchasing this power supply, I would strongly suggest that you employ it with a current limiting resistor (e.g. 150K / 1 watt) so as not to cause catastrophic anode failure, should the supply's internal current limiting circuitry not be set correctly or not functioning correctly. Neon lamps don't like high current. Alternatively, there are several types of inexpensive low current (15-64 mA) high voltage power supplies usually available on eBay, that are made specifically for powering up nixie projects. I have seen several for less than $20. Try an eBay search for "Nixie Power." A sample listing would be: http://cgi.ebay.com/Nixie-power-supply-1364-/140439233584#ht_500wt_1068 Best, -ub -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of jb-electronics Sent: Tuesday, November 30, 2010 1:46 AM To: [email protected] Subject: Re: [neonixie-l] Opinions Needed...Nixie Power Supply? Hello, well, 400mA @ 500V DC is quite hazardous, and 400mA is way to much current for all Nixie tubes. It looks like an interesting power supply, but if you would like to power Nixie tubes, build or purchase a small SMPS, they can supply up to 60mA which is enough for depoisoning cathodes. You could of course set the current limit to 10mA, but I think it would be a waste of resources to use a beast like this for Nixie tubes. Just my opinion, Jens Am 30.11.2010 02:00, schrieb Greg P: > I was hoping the experts here could give me their opinions on this > power supply? Seems it was used in a medical application. > > http://cgi.ebay.com/Hoefer-Scientific-PS-500-XT-DC-Power-Supply-/22063382973 3?pt=LH_DefaultDomain_0&hash=item335ecd1165#ht_7206wt_802 > > I want to be able to have something to test Nixie's with and also > possibly use this to rejuvenate Nixie's with cathode poisoning. > > Since this device's max output is 500V @ 400mA do you think it would > be accurate at low current levels Nixie's require. > > It seems like a simpler solution than using a variac, bridge rectifier > and resistors, etc. > > I appreciate any help on this. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB. -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
