Universal holder and Helmholtz coils

Permet de monter directement les tubes de Thomson e/m ou à double canon à électrons
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Availability: On order

€604.17 Excl. Tax €725.00 Incl. Tax
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Data sheet Universal holder and Helmholtz coils


Tubes are connected to a 5-pole connector located at
the holder's back side. This connector can be turned of +/- 5° to enable the
tubes' right orientation. A protective circuit integrated in the holder
automatically maintains the filament tension and protects it against
overvoltages. Connections are made by 4 mm safety banana sockets located in the
frame's collar. Slots enable you to mount coils in the Helmholtz configuration,
at variable distance, to create a uniform magnetic field at +/-1.5 %, oriented
perpendically to the tube's axis. An other slot enables you to mount a single
coil in the tube's axis to create an axial magnetic field.


Contents and specifications:

universal frame,
2 helholtz coils, medium Ø 138 mm, 320 turns,
Imax: 2A. Resistance: 6.3 W,
Supplied with instruction


Bobines :
2 bobines de Helmholtz diamètre moyen 138 mm, 320 spires, Imax : 2 A, résistance 6,3 Ω.
1 monture universelle :
Des encoches permettent de monter la(les) bobine(s) dans la configuration souhaitée :
- champ magnétique axial
- champ magnétique perpendiculaire à l'axe (uniforme à ± 1,5%)
Connexion des tubes :
Connecteur 5 pôles (à l'arrière de la monture) avec ± 5° de liberté pour l'orientation.
Protection intégrée contre les surtensions.
Connexion par douilles bananes de sécurité Ø 4 mm (dans l'encolure)

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