Z561M
15.5mm symbol tube manufactured by RFT / WF
The Z561M is a red coated end view nixie tube manufactured by WF / RFT. It can display various symbols related to measurement units. The matching numeric tube is the Z560M.
| Brand / Manfacturer | RFT / WF |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 15.5 |
| Characters / Symbols | -,+,Ω,%,V,A,W,sinewave |
| Decimal point | none |
| Base / Socket | B13B |
| Starting Voltage (typ) | 170 V |
| Maintaining Voltage (typ) | 135 V |
| Current per Segment | 1.75mA |
| Reccomend Resistor | 20kOhm = 1.75mA |
