3B Scientific Teltron Tube Holder D - Manual

3B SCIENTIFIC® PHYSICS
1
Tube Holder D 1008507
Instruction sheet
07/12 ALF
1 Base plate
2 Holes for inserting Helm-
holtz coils
3 Stanchion
4 Clamping jaws for tubes
5 Retaining slider
6 Fork
7 Stock for tubes and opti-
cal analogue equipment
1. Safety instructions
When operating tubes, the terminals may be live
to high voltages that are dangerous to touch.
 Do not modify circuits unless all power sup-
plies are turned off.
 Do not mount or remove tubes unless all
power supplies are turned off.
2. Description
The tube holder accommodates all tubes of the
series D and their accessories, such as the
Helmholtz Coils D (100644) and Auxiliary Coil
(100645) plus the Optical Analogue equipment
(1000656).
The tube holder consists of a robust base plate
with an upright stanchion and a fork-shaped
holder for hot cathode tubes that can be rotated
by 360° and is made of heat-resistant, highly
insulating plastic. The tubes are secured into
sprung clamps with retaining sliders. Two holes
are bored in the base plate to accommodate a
pair of Helmholtz coils at the “Helmholtz separa-
tion distance” for generating a uniform magnetic
field. The tube holder rests on three non-slip
rubber feet.