China Wholesale electron-atom collision Factories – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor

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We also present product or service sourcing and flight consolidation products and services. We have our possess manufacturing facility and sourcing place of work. We can easily supply you with almost every type of product or service connected to our item variety for Theta Modulation, Grating Spectrometer, Single-Slit, In addition, we would properly guide the customers about the application techniques to adopt our products and the way to select appropriate materials.

China Wholesale electron-atom collision 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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