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China Wholesale Disc Polarimeter Suppliers – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor

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We stick with the theory of "quality first, company first, steady improvement and innovation to satisfy the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our provider, we deliver the items together with the fantastic good quality at the reasonable value for Microwave Interference, Semiconductor Laser Experiment, Measurement Of Heart Rate, We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.
China Wholesale Disc Polarimeter Suppliers – 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 Disc Polarimeter Suppliers –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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With a sound enterprise credit history, exceptional after-sales services and modern production facilities, we've earned an outstanding track record amongst our consumers across the whole world for China Wholesale Disc Polarimeter Suppliers – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: Montpellier, Sierra Leone, panama, Our company always concentrate on the development of the international market. We now have a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.
  • The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.
    5 Stars By Carlos from luzern - 2017.07.07 13:00
    It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.
    5 Stars By James Brown from Saudi Arabia - 2018.02.04 14:13
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