3B SCIENTIFIC 1000568 Hoja de instrucciones

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3B SCIENTIFIC
1000568 / U11371
Instruction sheet
04/12 Hh
1. Description
Displacement sensor inside a 3B NETlog
and featuring a built-in precision potentiometer plus
a rotating pulley onto which a string can be wound in
order to measure displacement. Suitable for recording
periodic and oscillatory movements which can be
traced by the turning of the string on the pulley with-
out putting too much strain on the precision potenti-
ometer when it reaches the limits of rotation.
The displacement sensor is detected automatically
TM
by the 3B NETlog
unit.
2. Operation
Set up the experiment with the displacement
sensor included.
If possible, select a zero point in such a way that
the limits of rotation of the pulley are never
reached.
Turn on the 3B NETlog
displacement sensor to one of the analog inputs,
A or B, on the 3B NETlog
®
PHYSICS
Displacement Sensor
TM
sensor box
TM
unit and connect the
TM
unit.
Wait for the unit to automatically detect the
sensor (it will then display "S / U", meaning "dis-
placement per volt").
3. Technical data
Internal diameter
of pulley:
Max. displacement:
Resolution:
Sensor:
Max. angle of rotation
for sensor pulley:
Resistance range:
Max. permitted speed of
rotation for long-term use:
Max. permitted torque
at end limits
1
22 mm
61 mm
0.3 mm
Precision potenti-
ometer using a wire
320°
10 kΩ/44 mm
1 turn/second
100 Ncm