LB-MEP Comprehensive Experimental Instrument for Metal Electron Work Function
In addition to performing experiments on the work function of metal electrons and measuring the charge-to-mass ratio of electrons, the LB-MEP Comprehensive Experimental Instrument for Metal Electron Work Function also allows for the study of the motion laws of charges in electric and magnetic fields, as well as the analysis of the magnetron principle and magnetron conditions of electron beams.
Description
In addition to performing experiments on the work function of metal electrons and measuring the charge-to-mass ratio of electrons, the LB-MEP Comprehensive Experimental Instrument for Metal Electron Work Function also allows for the study of the motion laws of charges in electric and magnetic fields, as well as the analysis of the magnetron principle and magnetron conditions of electron beams.
The voltmeter measures from 0 to 1999 V with an accuracy of 1 V and uses a 3.5-digit LED display. There are two current meters: one measures 0 to 1.999 A with an accuracy of 1 mA, and the other measures 0 to 1999 μA with an accuracy of 1 μA. This system provides highly stable and reliable measurements.
External Diode with Clear Labels
This Work Function Experiment Apparatus is equipped with an external diode module. The internal wiring diagram is clearly printed on the outer panel and corresponds directly to the connection terminals, helping students connect wires correctly. All internal power supplies include protection circuits to prevent damage from incorrect operation. The diode housing is transparent, allowing students to observe its internal structure. This enhances understanding and improves classroom teaching safety.
Four Key Learning Goals
This Work Function Experiment Apparatus helps students achieve four key learning objectives. First, they observe the behavior of charged particles in combined electric and magnetic fields. Second, they learn to control an electron beam using a magnetic field and analyze the conditions for magnetic deflection control. Third, they study one method for determining the charge-to-mass ratio of the electron. Fourth, they understand the basic theory of the metal work function.
Key Parameters
|
Parameter |
Value |
|
Anode Voltage Range |
0–120 V, stability ≤0.2% |
|
Filament Current Range |
0.5–0.8 A, stability ≤0.2% |
|
Excitation Current Range |
0–0.8 A, stability ≤0.2% |
|
Current Meter (μA) Range |
0–1999 μA, 1 μA resolution |
|
Diode Type |
External, with labeled diagram |
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