China Wholesale Laser Raman Spectrometer Factory – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor
China Wholesale Laser Raman Spectrometer Factory – 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.
Product detail pictures:
Related Product Guide:
We strive for excellence, services the customers", hopes to be the top cooperation team and dominator business for personnel, suppliers and prospects, realizes benefit share and continual promotion for China Wholesale Laser Raman Spectrometer Factory – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: Bulgaria, Algeria, Libya, In order to meet more market demands and long-term development, a 150, 000-square-meter new factory is under construction, which will be put into use in 2014. Then, we shall own a large capacity of producing. Of course, we are going to continue improving the service system to meet the requirements of customers, bringing health, happiness and beauty to everyone.
By Edith from Argentina - 2018.06.18 19:26
The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!
By Nicola from Plymouth - 2018.09.08 17:09