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| Sets and Parts Wanted (private buyers only, no swaps) If you need help obtaining components, sets or equipment, post a message here. Private buyers only - no traders. No swaps. |
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#1 |
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Heptode
Join Date: Jun 2009
Location: St Helens, Lancashire, UK.
Posts: 673
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All the talk on the vintage test equipment section and the Sperry 253/354 display tubes prompted me to ask here.
I am looking for a Sperry 332 (2 digit .333 inch ) display tube for my old Data Tek 30A DMM. Does anyone have one they would like to sell? I pretty well thought these were unobtainable, but hoping someone might have one spare. Thanks Peter
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#2 |
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Octode
Join Date: May 2010
Location: Grantham, Lincolnshire, UK.
Posts: 1,282
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Isn't the 332 a two digit 0.5" display? The 0.3" versions are 732, 733 parts?
Have varying numbers of all of them plus the 74141 etc driver chips and HV inverters, but not got around to testing any of them. |
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#3 |
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Nonode
Join Date: Jul 2009
Location: Cheshire, UK.
Posts: 2,371
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No they are the much smaller ones, see the picture here; https://www.eevblog.com/forum/testgear/test-equipment-anonym...erapy-thread/msg5040943/#msg5040943
David |
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#4 |
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Nonode
Join Date: Jul 2009
Location: Cheshire, UK.
Posts: 2,371
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The 7xx series don't have the keep alive electrodes, also 74141 are of no use with 7 segment devices.
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#5 |
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Octode
Join Date: May 2010
Location: Grantham, Lincolnshire, UK.
Posts: 1,282
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Of course, not the 72141, the DD700 or REL700 for the 7 segment displays.
My 0.3" displays are all 732 or 733, so as David says not really for multiplexing. |
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#6 |
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Heptode
Join Date: Jun 2009
Location: St Helens, Lancashire, UK.
Posts: 673
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Sperry SP332 shown here.
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SPECIALIST.....Knows everything about nothing EXPERT..........Knows nothing about everything |
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#7 |
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Dekatron
Join Date: Jan 2004
Location: Newcastle upon Tyne, Tyne & Wear, UK.
Posts: 8,942
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Hi Peter, having just seen the data sheet, I realise that I may have some of these that were used on Thorn cookers in the 80's.
So if no luck elsewhere give me a PM in a couple of weeks as I will be away, and I'll have a search Cheers, Ed |
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#8 | |
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Heptode
Join Date: Jun 2009
Location: St Helens, Lancashire, UK.
Posts: 673
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Quote:
Thanks. I am away this sunday for a long awaited holiday, so if nothing turns up I will contact you. I will still be monitoring this group while away. Peter
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SPECIALIST.....Knows everything about nothing EXPERT..........Knows nothing about everything |
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