KV1476 Torsion Pendulum (34600)

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For the investigation of free rotary oscillations at different dampings (aperiodic, creeping and limit adjustment) and of forced oscillations (resonance curves, phase changes between exciter and resonator). Oscillation system consisting of ball-bearing wheel, which is connected to the driving rod via a spiral spring. Driven via eccentric by an electromotor with fine and coarse speed adjustment. Damping by electromagnetic eddy-current brake. With scale ring and pointers at exciter and resonator; can also be used for shadow projection. Includes electromotor mounted on base plate.


Technical Data

Natural frequency: 0.5 Hz approx.
Exciter frequency: 0 to 1.3 Hz
(continuously adjustable)
Connections:
Motor: 24 V d.c., 0.7 A,
via 4-mm sockets
eddy-current brake: max. 2 A (appr. 15 V d.c.)
via 4-mm sockets
Dimensions: 40 cm x 14 cm x 27 cm
Weight: 4 kg

Klinger Educational Products highly recommends as an additional method of conducting this experiment:

The IR Position Detector (IRPD) which enables automatic measurement of the motion of the lead balls in the gravitation torsion balance. To view this item please select the "Browse more in Mechanics category" icon and click on the next item 332 11 IR position detector.


Additional apparatus that can be purchased for use with this item:
Plug-in power supply 562 793
Power supply 521 545
For demonstrations:
Stopclock 313 05
Demo-multimeter (2x) 531 900
Connecting leads
For students'experiments
Stopclock 313 07
Multimeter LD-analog 20 531 120
Connecting leads

For registation with CASSY:
Sensor CASSY USB 524 010USB
CASSY Lab 524 200
BMW box 524 032
Motion sensing element 337 631
Multicore cable 6pole 501 16