For observing luminescence during electric discharge in gases at reduced pressure, and investigating cathode rays and canal rays occurring at low pressures outside the discharge path.
Glass tube with graded seal, disc-shaped, perforated electrodes and 4-mm-jacks for connecting the voltage supply.

Material: glass
Dimensions: approx. 700 mm x 4 mm Ø
Vacuum connection: graded seal NS 19/26

Additionally required:
1 U21060 6 kV High Voltage Power Supply
1 U14501 Rotary Vane Pump PK 4 D
1 U14505 Pirani Vacuum Gauge
1 U14510 2- Way Ball Valve
1 U14511 Crosspiece
1 U14513 Ventilation Valve DN 16/5
1 U14516 Adapter Flange DN 16 - Core NS 19/26
5 U14517 Standard Clamping Ring KF DN 10/16