Ningbo Kelsun Int'l Trade Co.,Ltd.

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Electron charge/mass ratio testing appa.

20804.01

Art NO.: 20804.01

Max input power: 85W

Acceleration voltage: 1000V-1200V, infinitely adjustable

Low voltage DC power:

Current range: 0.2A - 1.5A, and 1.5A - 2.5A, infinitely adjustable

Current direction: changeable

Parameters of helix tube:

Turn number N of unit length of

the helix tube: 3800 turns/m

Parameters of oscilloscope tube

Distance between screen to y

deflection plate ≈0.148m

Continuous working time: 1h