GR-1
20mm numeric tube manufactured by Rodan
The GR-1 is a clear glass numeric nixie tube manufactured by Rodan. It has a metal base and can display the numbers zero to nine. This tube is very rare.
| Brand / Manfacturer | Rodan |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 20 |
| Characters / Symbols | 0-9 |
| Decimal point | none |
| Base / Socket | 0 |
| Starting Voltage (typ) | 170 V |
| Maintaining Voltage (typ) | 0 V |
| Current per Segment | 2.5mA |
| Reccomend Resistor | 15kOhm @ 170V |
