The tubes are never used.
8LO29I Oscillographic cathode-ray tube 8LO29I single-beam with electrostatic focusing and beam deflection, with a round green screen. CRT 8LO29I is designed for visual and photographic recording of electrical processes in various general-purpose and special-purpose electronic devices. Beam deflection - electrostatic. Green glow screen with average afterglow. Afterglow time is no more than 0.1 s. Diameter of the working part screen is not less than 70 mm. The width of the focused line in the center of the screen is not more than 0.55 mm. Glass design, with a base (RSh10). Overall dimensions of the oscillographic tube 8LO29I:
- length no more than 261 mm;
- diameter no more than 78 mm.
Weight no more than 450 g.
The warranty period for the 8LO29I cathode ray tube is at least 12 years from the date of manufacture. Minimum operating time: - 1000 hours in modes and conditions permitted by the specifications; - 4000 hours in a light mode. The operating time is calculated within the warranty period of storage. Decoding the marking of the oscilloscope tube: 8LO29I 8 - a number indicating the diameter (diagonal) of the screen in centimeters; LO - a combination of letters that determine the : LO - oscilloscope and indicator tubes with electrostatic beam deflection; 29 - the number of the serial number of the development of this type of CRT; I - a letter characterizing the type of screen: I - a single-layer coating of a thin structure, green glow with an average afterglow.