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China Wholesale Abbe Refractometer Manufacturers – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor

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Our primary objective is always to offer our clients a serious and responsible small business relationship, offering personalized attention to all of them for Thermal Conductivity, Two-Beam Interference, Cavendish Balance, We believe that in good quality more than quantity. Before export of the hair there is strict top quality control check during treatment as per international good quality standards.
China Wholesale Abbe Refractometer Manufacturers – 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 Abbe Refractometer Manufacturers –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of China Wholesale Abbe Refractometer Manufacturers – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: Australia, Vancouver, Costa rica, Relying on superior quality and excellent post-sales, our products sell well in America, Europe, the Middle East and South Africa. We are also the appointed OEM factory for several worlds' famous products brands. Welcome to contact us for further negotiation and cooperation.
  • We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Eve from Venezuela - 2017.12.09 14:01
    This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By Madeline from Egypt - 2018.11.28 16:25
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