24021 Cathode ray tube (mechanical effect tube)

Product is composed of a glass, a guide rail bracket, a vane wheel, a cathode, an anode and the base, the cathode ray tube diameter is not less than 40 mm and length is not less than 235mm, Tube vacuum range of 0.13 PA (1 x 10-3 torr) ~ 0.07 PA (5 x 10-4 torr), the cathode ray tube electrode is made of pure aluminum with no less than 99.7%.