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.
|Symbol height (mm)||20|
|Starting Voltage (typ)||170 V|
|Maintaining Voltage (typ)||0 V|
|Current per Segment||2.5mA|
|Reccomend Resistor||15kOhm @ 170V|