Isn't it just the loss of hydrogen (helium) that makes the trouble? The absolute pressure inside the tube is lower then outside, but the partial tension of the hydrogen (helium) is higher than atmospheric as me is told.... eric
_____ From: [email protected] [mailto:[email protected]] On Behalf Of Nick Sent: vrijdag 21 juni 2013 10:56 To: [email protected] Subject: [neonixie-l] Re: Dekatron frequency counter and 6909 issue As others have said, the 6909 is prone to leakage - more accurately "ingassing" than "outgassing" as it starts off with a Penning mixture below atmospheric pressure, The Sylvania ones are certainly problematic, but the Raytheon electrical equivalents (CK6909) are mechanically very different - I wonder if they also suffer the same problems? Nick -- 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 post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/cdef96e1-09f7-440d-ab13-f2b20d3 55c9e%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out. -- 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 post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/!%26!AAAAAAAAAAAYAAAAAAAAAPDddShx705MuX20yCpp0vvCgAAAEAAAANQr8ofz4TxFjavkvcQZRusBAAAAAA%3D%3D%40zeelandnet.nl. For more options, visit https://groups.google.com/groups/opt_out.
