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

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


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We know that we only thrive if we can guarantee our combined price tag competiveness and top quality advantageous at the same time for China Wholesale Laser Raman Spectrometer Factory – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: azerbaijan, Italy, Palestine, Today, We are with great passion and sincerity to further fulfill our global customers' needs with good quality and design innovation. We fully welcome customers from all over the world to establish stable and mutually beneficial business relationships, to have a bright future together.
  • This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
    5 Stars By Eileen from Liverpool - 2017.09.22 11:32
    The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Klemen Hrovat from Ghana - 2017.09.16 13:44
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