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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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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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"Based on domestic market and expand overseas business" is our development strategy 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: Albania, Palestine, Guinea, The company has numbers of foreign trade platforms, which are Alibaba,Globalsources,Global Market,Made-in-china. "XinGuangYang" HID brand products sell very well in Europe, America, Middle East and other regions more than 30 countries.
  • The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By Jack from Malaysia - 2017.09.22 11:32
    Problems can be quickly and effectively resolved, it is worth to be trust and working together.
    5 Stars By Freda from Provence - 2018.09.21 11:44
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