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China Wholesale Dual beam IR spectrophotometer Factories – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor

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While using the "Client-Oriented" organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for Optics Experiment, Rydberg Constant, Verdet Constant, our products have good reputation from the world as its most competive price and our most advantage of after-sale service to the clients。
China Wholesale Dual beam IR spectrophotometer Factories – 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 Dual beam IR spectrophotometer Factories –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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"Sincerity, Innovation, Rigorousness, and Efficiency" is definitely the persistent conception of our corporation to the long-term to establish alongside one another with customers for mutual reciprocity and mutual profit for China Wholesale Dual beam IR spectrophotometer Factories – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: Mexico, Mauritius, Salt Lake City, We've been always creating new technology to streamline the production, and give products with competitive prices and high quality! Customer satisfaction is our priority! You can let us know your idea to develop unique design for your own model to prevent too much similar parts in the market! We are going to present our best service to satisfy all your needs! Remember to contact us right away!
  • Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Eileen from Russia - 2018.04.25 16:46
    In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By Brook from US - 2018.12.11 14:13
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