China Wholesale Fluorescence Spectrophotometer Factories – LADP-12 Apparatus of Millikan’s Experiment – Basic Model – Labor

Short Description:

Forced vibration and resonance phenomenon are often used in engineering and scientific research, such as in construction, machinery and other engineering, it is often necessary to avoid resonance phenomenon to ensure the quality of engineering. In some petrochemical enterprises, resonance phenomenon line is used to detect liquid density and liquid height, so forced vibration and resonance are important physical laws, which are more and more popular in physics and engineering technology Attention. The instrument uses tuning fork vibration system as the research object, electromagnetic force of electromagnetic exciting coil as exciting force, and electromagnetic coil as amplitude sensor to measure the relationship between vibration amplitude and driving force frequency, and study forced vibration and resonance phenomenon and its law.

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China Wholesale Fluorescence Spectrophotometer Factories – LADP-12 Apparatus of Millikan’s Experiment – Basic Model – Labor Detail:

Specifications

Average relative error ≤3%

⒈ 　Separation distance between electrode plates （5.00 ± 0.01）mm

⒉ 　CCD observing microscope

Magnification ×50 focal length 66 mm

Linear field of view 4.5 mm

⒊ 　Working voltage and stop watch

Voltage value 0～500V voltage error ±1V

Timing limit 99.9S timing error ±0.1S

⒋ 　CCD electronic display system

Linear field of view 4.5 mm pixel 537（H）×597（V）

Sensitivity 0.05LUX resolution 410TVL

Monitor screen 10″ monitor’s central resolution 800TVL

Scale mark equivalent （2.00 ± 0.01）mm（calibrated by a standard 2.000±0.004 mm Scaled block）

⒌ 　Continuous tracking time for a certain oil drop >2h.

Notes

1.Install a graphic card and soft ware (purchase separately) to model LADP-12 oil drop apparatus and the real-time sample data collection experiment may start immediately (see “Brief Introduction to the Operation of Model LADP-13 Millikan Oil Drop Apparatus”).

2. Because of the defective quality of toggle switches this experiment has replaced such switches with programmable electronic switches.

3. Since the tendency of physics experiments’ teaching reform is to construct digital physics labs, this experiment has left rooms for such tendency. It can be improved very easily to suit for the digitalization tendency.

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