Product name：FB710B type electron charge-mass ratio tester (split type, export product)

Product Details

☆Observe motion curve of electron beam in magnetic field.
☆Calculate charge-to-mass ratio of electron.
☆Highly steady detachable Helmholtz coils.
☆Rotatable Thomson tube.
☆Modulating voltage 0-15V(built-in).
☆Adjustable DC (constant voltage) power supply:12V/100V/200V.
☆Adjustable DC (constant current) power supply:3.5A/6.3V.

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