3B Scientific High Current Sensor, 10 A User Manual
Page 4
3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany • www.3bscientific.com
Subject to technical amendments
© Copyright 2009 3B Scientific GmbH
5. Sample experiment
5.1 Measuring the magnetic field of a current-
carrying coil
Apparatus required:
1 3B
NETlog
TM
interface
U11300
1 High-current
sensor
U11315
1 Magnetic
field
sensor
U11360
1 Field
coil
U12252
1
DC power supply unit 16 V/20 A
U117361
5
Connection leads from
U13802
•
Set up the experiment according to Fig. 1
In order to build up a measurable magnetic field, a
current of up to 10 A must flow into the field coil.
At 10 A, the high-current sensor supplies a voltage
of 50 mV which is proportional to the current. The
selected measurement range is 200 mV at the em-
ployed voltage input of the interface.
•
Connect the magnetic field sensor to the inter-
face.
•
Increase the current in the field coil from 0 to
10 A in steps of 0.5 A and record the corre-
sponding flux density (Fig. 2).
Fig. 1: Measuring the magnetic field of a current-carrying coil
Fig. 2: Magnetic field against current
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