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China Wholesale Magnetoresistive Effect Suppliers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor

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To continually enhance the management technique by virtue of your rule of sincerely, great faith and high-quality are the base of company development, we widely absorb the essence of similar merchandise internationally, and continuously build new merchandise to meet the demands of customers for Ft-Ir Spectrometer, Blackbody, Semiconductor Laser, We've been confident that there'll become a promising future and we hope we can have long lasting cooperation with consumers from all over the world.
China Wholesale Magnetoresistive Effect Suppliers – LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor Detail:

Description

Thermionic emission, one of its founders was Owen W. Richardson (18791959), a famous physicist in England, who discovered the thermionic emission law, namely Richardson law, pointing out the way for designing reasonable electron emission mechanism. His study had a profound impact on development of radio electronics, and won the 1928 Nobel Prize in Physics as a result.

Functions

1. Understand the concept of thermionic electron emission and verify the Schottky effect

2. Understand the concept of work function of a metal

3. Learn how to measure metal work function based on Richardson straight-line method

4. Understand magnetron principle and determine charge-mass ratio (e/m) by magnetron

 

Specifications

Description Specifications
Ideal diode pure Tungsten filament
filament current: 0.400 ~ 0.800 A; accuracy: 1.0 mA
anode voltage: DC 0 ~120 V; accuracy: 0.1 V
Parameters of coil inner radius: r1=24.0 mm
outer radius: r2=36.0 mm
length: L=18.0 mm
number of turns: N=800
Magnetization current 0 ~ 0.800 A

Parts List

Item Qty
Main unit 1
Ideal diode 1
Housing 1
Magnetization coil 1
Wires 8
Manual 1

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China Wholesale Magnetoresistive Effect Suppliers –  LEEM-5 Apparatus of Work Function & Specific Charge of Electron – Labor detail pictures


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  • The enterprise has a strong capital and competitive power, product is sufficient, reliable, so we have no worries on cooperating with them.
    5 Stars By Olga from Riyadh - 2018.10.09 19:07
    We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Honorio from Canada - 2017.02.28 14:19
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