14mm symbol tube manufactured by Siemens

The XN10 is a clear symbol tube manufactured by Siemens. It can display the plus and minus sign, and a sine-wave symbol as well. It is very similar to the ZM1133 which was also manufactured by Siemens. It is very rare, because no Information was found about this tube, but the specifications seem to be the same as for the ZM1133
Same Types
Likely Tyes
Symbol height (mm)14
Decimal pointnone
Starting Voltage (typ)170 V
Maintaining Voltage (typ)140 V
Current per Segment2mA
Reccomend Resistor15kOhm @ 170V