Klinger Educational Tube Holder S

Tube holder to support all S series (student) electron tubes for easy and safe operation.
The five pin sockets for the tube are concealed inside the tube holder. A cathode protection switch is integrated into the tube holder, to protect the heated cathode from excessive voltage. The base plate has a slot for attaching the students’ Helmholtz coil pair 1000611

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Terminals:                 4 mm safety sockets
Dimensions:             approx. 130x190x250 mm³
Weight:                      approx. 570 g