For observing the phenomena occurring during electrical discharges in a gas in accordance with its pressure and type, cathode glow, positive column and canal rays. Either end of the discharge tube is equipped with a fluorescent screen.
Demountable design, installation in tube holder (U18505).
Includes a needle ventilation valve and vacuum hoses.
Length: 280 mm
Polarization voltage: U < 5 kV
Discharge current: typically I = 1.2 mA
Connections: via 4-mm-contact pins