LL-561
10mm symbol tube manufactured by Dolam
The LL-561 is a clear glass symbol tube manufactured by Dolam. It can display the plus sign, minus sign and a triangle symbol
| Brand / Manfacturer | Dolam |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 10 |
| Characters / Symbols | +,-,triangle |
| Decimal point | none |
| Base / Socket | 0 |
| Starting Voltage (typ) | 170 V |
| Maintaining Voltage (typ) | 150 V |
| Current per Segment | 2mA |
| Reccomend Resistor | 10kOhm = 2mA |
