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China Wholesale Microwave characteristics Factories – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor

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"Control the standard by the details, show the power by quality". Our business has strived to establish a highly efficient and stable team staff and explored an effective good quality regulate course of action for Semiconductor Laser Property, Liquid Conductivity, Sound Speedultrasonic Range, We are seeking for extensive cooperation with honest customers, achieving a new cause of glory with customers and strategic partners.
China Wholesale Microwave characteristics 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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China Wholesale Microwave characteristics Factories –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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  • Good quality, reasonable prices, rich variety and perfect after-sales service, it's nice!
    5 Stars By Lulu from Denmark - 2018.02.04 14:13
    This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
    5 Stars By Evangeline from Salt Lake City - 2017.10.27 12:12
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