3b-scientific Teltron Helmholtz Coils D User Manual

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3B SCIENTIFIC
®
PHYSICS
1
Helmholtz Pair of Coils D 1000644
Instruction sheet
07/12 ALF
1 Coil
2 4-mm-sockets
3 Stand rod
4 Securing sleeves
1. Description
The Helmholtz coils are used to create magnetic
fields for deflecting electron beams and are at-
tached to the tube holder D (1008507). The tube
holder allows the coils to be set up in Helmholtz
configuration to generate a highly uniform mag-
netic field perpendicular to the axis of the tube.
The two air-filled coils are made of lacquered
copper wire on a plastic bobbin on an insulating
stand rod with plastic sleeves for insertion into
specially drilled holes on the demonstration tube
holder. Connections are labelled from the start
(A) to the end (Z) of the coil winding.
2. Technical data
Number of winding
turns: 320 each
Coil diameter: 136 mm approx.
Rod: 145 mm x 8 mm Ø
Max. current:
continuous: 1.0 A
momentary: 1.5 A (max. 10 min)
2.0 A (max. 3 min)
Effective impedance: 6 Ω approx.
Connectors: 4-mm socket
Magnetic flux B in
Helmholtz-configuration: B = k * I, where
k = appr. 4,2 mT/A
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Summary of Contents

Page 1 - PHYSICS

3B SCIENTIFIC® PHYSICS 1 Helmholtz Pair of Coils D 1000644 Instruction sheet 07/12 ALF 1 Coil 2 4-mm-sockets 3 Stand rod 4 Securing sle

Page 2

A TELTRON Product from UK3B Scientific Ltd. ▪ Suite 1 Formal House, Oldmixon Crescent ▪ Weston-super-Mare Somerset BS24 9AY ▪ Tel 0044 (0)1934 425333

Related models: 1000644

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