ZM1043
30mm symbol tube manufactured by Philips
The ZM1043 is a special character indicator tube with clear glass. The tube can display the plus and minus sign and was used along with the ZM1040 in measuremenent devices. The round windows inside the tube grid gives it a special apperance
| Brand / Manfacturer | Philips |
| Same Types | |
| Likely Tyes | |
| Symbol height in mm | 30 |
| Characters / Symbols | +,- |
| Decimal point | none |
| Base / Socket | B13B |
| Starting Voltage (typ) | 170 V |
| Maintaining Voltage (typ) | 140 V |
| Current per Segment | 4.5mA |
| Reccomend Resistor | 6.8kOhm = 4.5mA |
