3B SCIENTIFIC Hall Effect Basic Apparatus Manuel d'instruction - Page 5

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7.1.3 Hall voltage as a function of temperature T



Select magnetic flux density B or coil cur-

rent.



Switch on the heating controller and record

the Hall voltage U

ture.



It is recommended that the sample be heat-

ed to 170°C and to write down the Hall volt-

age as it cools down.



Turn on the heating controller and record the

Hall voltage U

as a function of temperature.



For your measurement plots, see the manu-

al for the relevant circuit boards.

7.2 Measurement of conductivity as a func-

tion of temperature T

The following equipment is needed for the ex-

periments:

1 Transformer with rectifier, 3 A @230

1 Transformer with rectifier, 3 A @115 V 1003315



Select a small sample current I

current will cause the sample to heat up, you

should not exceed a current of 5mA.



Switch the display to sample voltage.



Turn on the heating controller and record the

sample voltage U

ture.



For your measurement plots, see the manu-

al for the relevant circuit boards.

Fig. 9 Experiment set-up for investigating the Hall effect with a uniform magnetic field

3B Scientific GmbH ▪ Rudorffweg 8 ▪ 21031 Hamburg ▪ Germany ▪ www.3bscientific.com

as a function of tempera-

1003316

. Since the

as a function of tempera-

Subject to technical amendments

8. Care and maintenance



Before cleaning the equipment, disconnect it

from its power supply and remove the circuit

board.



Use a soft, damp cloth to clean it.



Keep the circuit board in the original box

after it has been used and has cooled down.

9. Disposal



The packaging should be disposed of at

local recycling points.



Should you need to dispose of the equip-

ment itself, never throw it away in normal

domestic waste. Local regulations for the

disposal of electrical equipment will apply.