ZM1220
40mm numeric tube manufactured by Siemens
The ZM1220 is a red coated numeric nixie tube manufactured by Siemens. It has a digit-height of 40mm and is very rare. Currently, i don't have any more information about the tube.
| Brand / Manfacturer | Siemens |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 40 |
| Characters / Symbols | 0-9 |
| Decimal point | none |
| Base / Socket | B13B |
| Starting Voltage (typ) | tested at 180V, 10kOhm V |
| Maintaining Voltage (typ) | 0 V |
| Current per Segment | 0mA |
| Reccomend Resistor | 0 |
