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

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It adheres on the tenet "Honest, industrious, enterprising, innovative" to acquire new solutions regularly. It regards shoppers, success as its very own success. Let us establish prosperous future hand in hand for Mercury Lamp, Fiber Communication, Ftir Sepctrometer, Being a young growing company, we might not the best, but we are trying our best to be your good partner.
China Wholesale Abbe Refractometer Pricelist – 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 Pricelist –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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    5 Stars By Victor Yanushkevich from Rio de Janeiro - 2018.02.04 14:13
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Evangeline from Uganda - 2017.09.16 13:44
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