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China Wholesale gravitational acceleration Factories – LMEC-7 Pohl’s Pendulum – Labor

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China Wholesale gravitational acceleration Factories – LMEC-7 Pohl’s Pendulum – Labor Detail:

Experiments

1. Free vibration (oscillation) experiment.

2. Under-damped vibration experimental research.

3. Displacement resonance phenomenon research.

Features

1. Adopt coiled spring fixed axis disc oscillation mechanism as the basic vibration body.

2. Stepper motor drive to generate periodic displacement.

3. Adopt incremental encoder accurate measurement of phase difference.

4. Large LCD display, data measurement and viewing convenient.

Display 240 × 160 dot matrix LCD, menu design, experimental operation and data query convenient, with data storage function.
Free swing More than 100 times
Amplitude attenuation Less than 2% in the absence of electromagnetic damping
Spring stubborn coefficient k Free vibration period change is less than 2%.
Compulsion frequency range 3050 rpm, digital frequency source, frequency set directly by digital key, high temperature stability
Motor speed stability Less than 0.03%
Phase measurement resolution
Cycle detection accuracy 1ms
Amplitude measurement resolution

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China Wholesale gravitational acceleration Factories –  LMEC-7 Pohl’s Pendulum – Labor detail pictures


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