15.5mm numeric tube manufactured by Telefunken

The ZM1100 is a red coated endview nixie tube manufactured by Telefunken. The coating is very dark and makes the digits look a little purple.
Brand / Manfacturer Telefunken
Same Types
Likely Tyes
Symbol height in mm 15.5
Characters / Symbols 0-9
Decimal point none
Base / Socket SK-136
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 143 V
Current per Segment 2.5mA
Reccomend Resistor 11kOhm @ 170 VDC, 24kOhm @ 200 VDC, 68kOhm @ 300 VDC