I ran each tube with 180V 2mA / two hours, turning each plate for 2 minutes.
on 10 tubes: 7 are OK 3 are not perfect. I will wait to be able to lit them all together. Le jeudi 20 avril 2023 à 01:27:40 UTC+2, gregebert a écrit : > I couldn't resist asking google Bard this question: Are IN-1 nixie tubes > reliable ? > Well, here's the answer. Feel free to laugh.....love the part about the > filaments. Geez, maybe that's why I had so much trouble with mine ? > > IN-1 nixie tubes are generally reliable, but they can fail over time. The > most common failure mode is a leak in the vacuum tube. This can happen due > to a number of factors, including manufacturing defects, physical damage, > or exposure to extreme temperatures. > > If a leak develops, the tube will slowly fill with air and the filaments > will eventually burn out. This can happen over a period of months or even > years. To prevent leaks, it is important to store IN-1 nixie tubes in a > cool, dry place and to avoid dropping or banging them. > > Another potential failure mode is a failure of the heater filament. This > can happen due to a number of factors, including overheating, overvoltage, > or physical damage. If the heater filament fails, the tube will not light > up. > > To prevent heater filament failures, it is important to use a regulated > power supply and to avoid exceeding the maximum operating voltage. > > On Tuesday, April 18, 2023 at 2:03:54 PM UTC-7 gregebert wrote: > >> I never had an IN-1 run long enough to get poisoned. Mine developed >> internal shorts, resulting in 2 numerals glowing at the same time. >> From what I've heard, nixie degradation increases exponentially with >> current, so you want to stay as close as possible to normal operating >> current. Try running the worst digit continuously for a few hours at 20% >> higher current, and see if that helps. I was (briefly) drawn to the IN-1 >> over 10 years ago because of the large size for the low cost; I bought a >> case of 25 for around 40USD including shipping. Only a few survive today >> that weren't dissected or tortured in a microwave oven (yeah, pretty >> hilarious but kinda toxic because of the bakelite). >> >> A few of the IN-18's in my clock have shown signs of poisoning even >> though I run a cleansing routine for 1 hour every night. This is >> most-visible on the first day of the month for the months digit, and it can >> take a few days to recover. This clock has 14 tubes; kinda ridiculous but >> it looks impressive. It was inspired by the movie "Tomorrowland", which has >> a brief scene with two 6-digit IN-18 clocks. I'm certain one of our >> neonixie members is the creator of that clock (that was an invitation for >> you to take a well-deserved bow...). >> >> Tubes that run 0-9 during the day need no cleansing (unit seconds, unit >> minutes, unit hours). Tubes the run 0-5 during the day are cleansed by >> running 6-9 (tens seconds, tens minutes). Tubes that are static, or near >> static (tens hours, month, day, year) run 0-9 for cleansing. >> >> The static tubes, notably the 4-digit year, show very little signs of >> poisoning because I have swapped them around to put the >> most-vulnerable-to-poisoning tubes where they run 0-9 during the day. >> >> I havn't seen any signs of poisoning on Burroughs tubes. >> >> On Tuesday, April 18, 2023 at 11:39:54 AM UTC-7 Benoit Tourret wrote: >> >>> Hello, I have some IN-1 that seems to be poisoned. poisoned or rather >>> oxided, as they seems to be really new. it is fine mesh from September >>> 1971. >>> two of them are fine after one or two day, tree other doesn't show any >>> improvement. >>> >>> I read that I must overload them a while but how many and how long >>> should I keep one digit on before light the next digit ? is it 1 second or >>> one day... >>> >>> by the way, as I read that this tube doesn't have mercury inside, can it >>> be unpoisonned ? >>> >> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/189e8597-aff8-4ece-be93-969060227115n%40googlegroups.com.
