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

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We stay with the basic principle of "quality initially, services first, steady improvement and innovation to fulfill the customers" for your management and "zero defect, zero complaints" as the quality objective. To perfect our company, we give the goods while using the good high-quality at the reasonable selling price for Solenoid, Optical Image, Air Track, To significantly improve our service quality, our company imports a large number of foreign advanced devices. Welcome clients from home and abroad to call and inquire!
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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Dependable good quality and very good credit score standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of "quality initial, shopper supreme" for China Wholesale Abbe Refractometer Pricelist – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: Oman, Angola, Swedish, To meet the requirements of specific customers for each bit more perfect service and stable quality merchandise. We warmly welcome customers around the world to visit us, with our multi-faceted cooperation, and jointly develop new markets, create a brilliant future!
  • The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Doreen from Johor - 2018.12.30 10:21
    Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Muriel from Russia - 2017.08.18 11:04
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