555581 Helmholtz coils with holder and measuring device for fine beam tube
Overview
For generation of a homogeneous magnetic field for the e/m determination with the fine beam tube (555 571). The holder supports the fine beam tube and provides the electrical connections to the tube. A measuring device with mirror and two riders for measuring the diameter of the electron beam when it is made to follow a circular path is included.
Description
Technical Data
� Pair of Helmholtz coils:
Number of turns: 130 on each coil
Coil radius r: 150 mm
Distance between the coils: 150 mm
Max current ls through the coils: 2 A
� Holder:
Dimensions: 26 cm x 42 cm x 40 cm
� Multi-core cable with plug for connection to the fine beam tube (555 571)
� Connecting panel with circuit diagram and 4-mm sockets
� Weight: 2 kg
Scope of delivery
1 stand
2 coils
1 spacer with 2 diaphragms
1 spacer with mirror
1 set of mounting accessories
; "555581 Helmholtz coils with holder and measuring device for fine beam tube")