China Wholesale Spring Constant Pricelist – LMEC-8 Apparatus of Forced Vibration and Resonance – Labor

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China Wholesale Spring Constant Pricelist – LMEC-8 Apparatus of Forced Vibration and Resonance – Labor Detail:

Main experimental content
1、Study the resonance of the tuning fork vibration system under the action of different periodic driving forces, measure and draw the resonance curve, and find the curve Q value.
2、Study the relationship between vibration frequency and tuning fork arm mass, and measure the unknown mass.
3、Study the relationship between tuning fork damping and vibration.
Main technical parameters
1, steel tuning fork: vibration frequency of about 260Hz when the double arms are not loaded.
2, ultra-high performance digital DDS signal generator: frequency adjustable range 100Hz ~ 600Hz, minimum step value 1mHz, resolution 1mHz. frequency accuracy ± 20ppm: stability ± 2ppm / hour: output power 2W, amplitude 0 ~ 10Vpp continuously adjustable.
3, AC digital voltmeter, range 0 ~ 1.999V, resolution 1mV.
4, a pair of solenoid coils: including coil, core, Q9 connection line. DC impedance: about 90Ω, the maximum
maximum allowable AC voltage: RMS 6V.
5, 4 pairs of paired mass blocks: 5g, 10g, 10g, 15g, can be superimposed to combine different mass values.
6、Magnetic damping block: position plane and up and down adjustable.
7, Self prepare oscilloscope.

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