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China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor

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China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor Detail:

 

Experiments

1、Measure the cut-off voltage and calculate to get Planck’s constant.
2、Measure the photocurrent of the phototube and conduct the experiment of photoelectric effect.

Main technical parameters
1, microcurrent range: 10-6 ~ 10-13A a total of six files, three and a half digital display, zero drift ≤ 2 words / min.
2, when rotating the diaphragm, will not drive the color filter, the two can be rotated independently, no influence on each other, feel light, easy to use, and avoid direct light phototube.
3, photocell: placed in the photocell dark box, working power range: -2V ~ +2V; -2V ~ +30V
two files, with fine tuning; stability ≤ 0.1%.
4, phototube spectral response range: 340 ~ 700nm, cathode sensitivity ≥ 1μA, dark current <2 × 10-12A, anode: nickel ring.
5, color filter: 365.0nm; 404.7nm; 435.8nm; 546.1nm; 578.0nm.
6, including high-pressure mercury lamp and mercury lamp power supply, mercury lamp power 50W.
7, the error of h value and theoretical value: ≤ 3%.
8, microcomputer type can be connected by USB interface to the computer for experiments, without computer.


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China Wholesale Plancks Constant Factory –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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It is a good way to enhance our products and solutions and repair. Our mission will be to build creative solutions to consumers with a great experience for China Wholesale Plancks Constant Factory – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: Rotterdam, India, Las Vegas, Regarding quality as survival, prestige as guarantee, innovation as motive force, development along with advanced technology, our group hopes to make progress together with you and make untiring efforts for the bright future of this industry.
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