FINE BEAM TUBE SYSTEM
€1,408.00 – €1,510.00
Fine beam tube system.
Objects
Deflection of electrons in a closed circular path inside a magnetic field
Determination of specific change of an electron e/m
Principles
The fine beam tube is used for investigating the deflection of cathode rays in a uniform
magnetic field produced by a pair of Helmholtz coils (P338001). In addition, it can also be used for quantitative
determination of the specific charge of an electron e/m.
Located inside a glass bulb with a helium residual gas atmosphere is an electron gun, which
consists of an indirectly heated oxide cathode, a Wehnelt cylinder and a perforated anode. The gas atoms are ionized along
the path of the electrons and a narrow, well-defined, luminescent beam is produced. Incorporated measurement marks
facilitate a parallax-free determination of the diameter of the circular path of the beam deflected in the magnetic field.
Specifications
SYSTEM A – BASIC FINE BEAM TUBE SYSTEM |
||
SYSTEM COMPOSITON | ||
1 pc | Fine beam tube | P318001 |
1 pc | Fine beam tube base | P328001 |
1 pc | Helmholtz pair of coils | P338001 |
1 pc | DC power supply | M10-QP500E |
SYSTEM B – COMPLETE FINE BEAM TUBE SYSTEM | ||
SYSTEM COMPOSITON | ||
1 pc | fine beam tube | P318001 |
1 pc | fine beam tube base+ Helmholtz pair of coils | P328002 |
1 pc | DC power supply | M10-SPN300-03C |
1 pc | DC power supply | M10-SPN110-01C |
1 pc | DC power supply | M10-SPM18-3C |
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