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/ManfacturerRodan
Same Types
Likely Tyes
Symbol height (mm)20
Display0-9
Decimal pointnone
Base0
Starting Voltage (typ)170 V
Maintaining Voltage (typ)0 V
Current per Segment2.5mA
Reccomend Resistor15kOhm @ 170V