NTC-22.01.5 “Determination of electron charge ratio to its mass by magnetron method”

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The training laboratory unit allows to determine charge-to-mass ratio.
 
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The main element of the curcuit is two-electrode valve with cylindrical anode, which consists of three metallic cylinders of the same size. Left and right cylinders are electrically insulated from the middle one with gaps, and they are used for middle cylinder egde effect elimination. Milliamperemeter is connected to middle cylinder in order to measure anode current. 
Thin tungsten wire tightened along three anodic system cylinders’ axis is used as a cathode. DC voltage is supplied to lamp anode. Cathode is heated by alternating current created by stabilized source. The lamp is located in the uniform magnetic field created by Helmholtz coils. Adjustment of the magnetic field is realised using the power source with current stabilisation. 

The training system is supplied with technical and methodical documentation for teaching staff. 

Experiments provided

  • Determining the electron-charge mass ratio.

Technical specifications

Power supply 1~220V, 50Hz
Power consumption, kW 0,2
Stand overall dimensions, max:
  width, mm 228
  height, mm 166
  depth, mm 230
Power supply unit overall dimensions, max:
  width, mm 136
  height, mm 158
  depth, mm 291
Weight, kg, max 8

Scope of delivery

  • laboratory training unit – 1 pc.;
  • power supply unit – 1 pc.;
  • accompanying materials in electronic format – 1 pc.;
  • passport – 1 pc.

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