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

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Our enterprise insists all along the standard policy of "product high-quality is base of business survival; client satisfaction could be the staring point and ending of an business; persistent improvement is eternal pursuit of staff" as well as consistent purpose of "reputation first, client first" for Voltmeter, Magneto-Optic Rotation Effect, Velocity Of Light, We will do our best to meet your requirements and are sincerely looking forward to developing mutual beneficial business relationship with you!
China Wholesale Grating Spectrometer 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 Grating Spectrometer Manufacturers –  LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor detail pictures


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Assume full accountability to satisfy all demands of our consumers; reach ongoing advancements by endorsing the expansion of our purchasers; come to be the final permanent cooperative partner of clients and maximize the interests of clientele for China Wholesale Grating Spectrometer Manufacturers – LADP-15 Apparatus for Determining Planck’s Constant(Software Optional) – Labor , The product will supply to all over the world, such as: French, Honduras, Ukraine, Looking forward, we will keep pace with the times, continuing to create new products. With our strong research team, advanced production facilities, scientific management and top services, we will supply high quality products to our customers worldwide. We sincerely invite you to be our business partners for mutual benefits.
  • A good manufacturers, we have cooperated twice, good quality and good service attitude.
    5 Stars By Louise from Mecca - 2017.01.11 17:15
    The customer service staff's attitude is very sincere and the reply is timely and very detailed, this is very helpful for our deal,thank you.
    5 Stars By Merry from San Francisco - 2018.03.03 13:09
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