3B SCIENTIFIC PHYSICS U11361 Руководство по эксплуатации - Страница 2
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5. Technical data
Measuring range:
Resolution:
Accuracy:
Sensor type:
Angle of sensor
wedge opening:
Burst repeat frequency:
5. Operation
•
Screw the stand rod into the M6 nut provided.
•
Plug the miniDIN cable into the miniDIN socket
and connect up the 3B NETlog
•
Attach the motion sensor mechanically to the
experiment set-up, e.g. in front of an air track,
under a free-falling body or in the path of a vi-
brating pendulum bob.
•
Turn on the 3B NETlog
detect the sensor.
•
Carry out measurements and evaluate them.
6. Applications
Position, speed and acceleration of moving objects.
Movements in the range of the sensor.
Detecting simple harmonic motion of a weight on a
spring.
Measuring the period of an oscillating body.
Objects moving up and down.
The bouncing of a ball.
0.15 m –10 m approx.
< 5 mm
± 1 %
Electrostatic 50 kHz -
transducer
15° @ - 6 dB
40 Hz to 5 Hz,
automatically adapted
according to the distance
from the object
TM
unit.
TM
unit and wait for it to
7. Sample experiment
Uniform acceleration followed by change
of direction
Required equipment:
TM
1 3B NETlog
unit
TM
1 3B NETlab
program
1 Ultrasonic motion sensor
1 Universal clamp
1 Air track, 1.6 m
1 Glider 450 g, blue
1 Air-flow generator
1 Conical reflector
•
Set up the experiment as shown in Fig. 1. Also
take note of the instructions for the air track.
•
Attach the motion sensor using a universal
clamp to the rubber-band launcher on the air-
inlet side of the air track, see detailed photo-
graph, Fig. 2.
•
Attach the stopper with the pulley to the other
end of the air track. Make sure that the stopper's
spring buffer is facing along the track.
•
Lower the track by adjusting the height of its
feet so that the rider moves under its own
weight towards the right-hand end of the track.
•
Connect the sensor by means of its miniDIN
connector lead to analog input A or B on the 3B
TM
NETlog
unit.
•
Wait for the 3B NETlog
sor.
•
Attach a conical reflector U40462 to the glider
U40422 and turn on the air track.
•
Start measuring, starting with the rider moving
away from the air inlet end of the track.
•
Open the experiment template for "speed meas-
urement on an air track" in 3B NETlab
includes all the necessary settings for evaluating
the measurements.
•
Carry out the experiment and evaluate the re-
sults. See Fig. 3.
2
U11300
U11310
U11361
U13255
U40405
U40422
U15425
U40462
TM
unit to detect the sen-
TM
, which