G10/240E (STC)
Nomotron counting tube
The Nomotron-Queen! Very,
very early 'Nomotron' style
unidirectional, single pulse, decimal glow-transfer counting tube, with metal
shell covering cathode pins inside tube. Shell has holes for viewing glow
position and an additional transparent mica cover with hand drawn lines and one arrow,
indicating the position. Neon filled.
Super rare!
The tube in operation:
The glow:
(Note: the second dot is only a reflection)
Röhrendaten/Tube Data:
German | English | ||
Röhrentyp | Tube type | G10/240E | |
Hersteller | Brand | STC | |
Zähl-Richtung | Counting direction | unidirectional | |
Arbeitsweise | Operation | SP | |
Art | Sort | NOM | |
Sockel | Base | B12E + top cap | |
Fassung | Socket | B12E + top cap | |
Nullposition | Zero position | Pin 1 | |
Zähl-Schritte | Counting steps | 10 | |
Anzahl der Hilfskathoden | Number of guides | 1 | |
Gasfüllung | Gas filling | Neon | |
Röhrendurchmesser maximal | Tube diameter max. | mm | 45 |
Röhrenhöhe maximal | Tube height max. | mm | 125 |
max. Zähl-Geschwindigkeit | Max. counting speed | kHz | 20? |
Betriebsspannung typisch | Supply volt. typ. | V | 330 |
Brennspannung typisch | Maintaining voltage typ. | V | 180 |
Anoden bzw. Kathodenstrom typ. | Anode/cath. current typ. | µA | 3700? |
Hilfskathodenvorspannnung Impulsbetrieb typ. | Guide bias typ pulse op. | V | 75? |
Hilfskathodenimpulsspannung (Rechteck) | Guide signal voltage rectangle | Vp | 120? |
Anschlussbelegung: | Pinout: | ||
PIN 01 | PIN 01 | Shield | |
PIN 02 | PIN 02 | Cathode 0 | |
PIN 03 | PIN 03 | Cathode 9 | |
PIN 04 | PIN 04 | Cathode 8 | |
PIN 05 | PIN 05 | Cathode 7 | |
PIN 06 | PIN 06 | Cathode 6 | |
PIN 07 | PIN 07 | Cathode 5 | |
PIN 08 | PIN 08 | Cathode 4 | |
PIN 09 | PIN 09 | Cathode 3 | |
PIN 10 | PIN 10 | Cathode 2 | |
PIN 11 | PIN 11 | Cathode 1 | |
PIN 12 | PIN 12 | Transfer (Guide) | |
Kappe | top cap | Anode |
Operation-Schematic:
Downloads/Datasheets:
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im Datenblattarchiv.
Suchen sie dort nach dieser Type und deren Vergleichstypen.
You'll find the matching datasheets in
the datasheet archive.
Search for this type and its substitutes there.
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