For observing phenomena (for example cathode glow, positive column, canal rays) that occur during electrical discharge in a variety of gases at various pressures. Either end of the discharge tube is equipped with a fluorescent screen, and can be unmounted and installed in tube holder U18505. Product includes a needle ventilation valve and vacuum hoses.


Specification
Polarization voltage: U < 5 kV
Discharge current: approx. 1.2 mA
Connections: 4-mm safety jacks