China Wholesale Velocity Factory – LMEC-7 Pohl’s Pendulum – Labor

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Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine consistently for Millikan"s Oil Drop, Fourier Infrared Spectrometer, Fiber Experiment, With a wide range, good quality, reasonable prices and stylish designs,Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.

China Wholesale Velocity Factory – LMEC-7 Pohl’s Pendulum – Labor Detail:

Experiments

1. Measure the damping coefficient of cycloid vibration and study the influence of different damping on vibration
2. Study the influence of different period dynamic moment on forced vibration and observe resonance phenomenon
3. Measure the amplitude frequency characteristics and phase frequency characteristics of forced vibration

Specifications

Description	Specifications
Spring stiffness coefficient K	Variation of free vibration period:<1%
Time measurement	Accuracy: 0.001 s; error of period: 0.2%; 4-digit display
System damping	Amplitude attenuation<2% without electromagnetic damping
Amplitude measurement	Error: ± 1゜
Motor rotational speed	Range: 15 ~ 50 r/min; period adjustable: 0.2 ~ 4 s
Phase difference measurement	Error < 2゜when phase difference between 40 ~ 140゜

Parts List

Description	Qty
Main unit	1
Electric control unit	1
Wire and cable	3
Manual	1

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