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China Wholesale FTIR Sepctrometer Factories – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor

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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for Electro Optic Modulation, Verdet Constant, Fiber Communication, We have now ISO 9001 Certification and qualified this item .in excess of 16 years experiences in manufacturing and designing, so our items featured with best quality and competitive selling price. Welcome cooperation with us!
China Wholesale FTIR Sepctrometer 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 FTIR Sepctrometer Factories –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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