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3. Operation
To conduct the experiment, the following apparatus is
additionally recommended:
1 Instrumentation amplifier for students' experiments
1 x 4-mm high-frequency BNC cable
1 Multimeter ESCOLA 10
1 Stand base
In order to prevent any drifting of the output voltage,
the metal housing of the thermopile should be at
room temperature.
•
After setting up the experiment, wait for a few
minutes before taking readings.
T
Fig. 1 Experimental set-up Leslie's cube
Elwe Didactic GmbH • Steinfelsstr. 6 • 08248 Klingenthal • Germany •
3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany •
Readings may be made incorrect due to the influence
of body heat or other external influences.
•
Do not touch the apparatus while taking read-
ings.
•
Avoid direct sunlight and do not set up the appa-
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ratus in the vicinity of a heater/radiator.
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•
Set up the thermopile approx. 3 cm away from
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the object of the experiment (e.g. Leslie's cube
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•
Connect up the instrumentation amplifier and
the multimeter.
U
I
Technical amendments are possible.
V
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