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

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The consumer fulfillment is our primary goal. We uphold a consistent level of professionalism, top quality, credibility and service for Microwave, Grating Spectrometer, Single-Wire, Within our initiatives, we already have many shops in China and our solutions have won praise from prospects around the globe. Welcome new and outdated consumers to call us for that upcoming long term small business associations.
China Wholesale Abbe Refractometer Manufacturers – 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 Manufacturers –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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"Sincerity, Innovation, Rigorousness, and Efficiency" is definitely the persistent conception of our corporation to the long-term to establish alongside one another with customers for mutual reciprocity and mutual profit for China Wholesale Abbe Refractometer Manufacturers – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: South Africa, Panama, Bahamas, We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.
  • We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
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