3B Scientific N-Doped Germanium on Printed Circuit Board - Manual (Page 2)

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3. Contents
1 Circuit board with germanium crystal
1 Test record
1 Instruction manual
4. Technical data
Maximum sample current: ±33 mA
Dimensions of crystal: 20x10x1 mm approx.
Dimensions: 70x70x10 mm approx.
Weight: 30 g approx.
5. Pin assignment
Fig.1 A Heating element, B Sample current through
germanium crystal, C PT100 thermocouple, D Hall voltage
6. Operation
Installation of the circuit board in the Hall effect
console and the circuit diagram for the experiment are
included in the instruction manual for the Hall effect
equipment itself.
7. Measurement values
Hall voltage U
H
(basic apparatus)
Sample voltage U (basic apparatus)
Sample current I (basic apparatus)
Sample temperature T
P
(basic apparatus)
Magnetic flux B (with magnetic field sensor)
Derived values:
Conductivity:
mm 1 mm 10
mm 20
⋅
⋅ = σ
U
I
Absolute temperature in Kelvin: K 273,15
+ =
P
T T
8. Care and maintenance
• Use a soft brush to clean the board. Do not touch
the crystal with your fingers if possible.
• Keep in the original box after the equipment has
been used and has cooled down.
9. Disposal
• If you need to dispose of the circuit board, never
throw it away in normal domestic waste. Local
regulations for the disposal of electrical
equipment will apply.
The packaging is made of environmentally-friendly
materials and can be recycled.
• You can dispose of it at local recycling points.