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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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The corporate keeps towards the operation concept "scientific administration, superior quality and performance primacy, client supreme for Information Experiment, Discharge Lamp, Grating Spectrometer, We are willing to give you the best suggestions on the designs of your orders in a professional way if you need. In the meantime, we keep on developing new technologies and creating new designs so as to make you ahead in the line of this business.
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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  • In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Sally from Slovenia - 2017.01.28 18:53
    The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
    5 Stars By Julia from Tajikistan - 2017.05.02 18:28
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