8LO29I
Oscillographic electrostatically focused and deflected electron-beam tube with green screen glow and middle afterglow intended for record of electric processes by manual observation.
Intended for record of electric processes by manual observation in different special-purpose radioelectronic devices.
8LO29M
Oscillographic electrostatically focused and deflected electron-beam tube with blue screen glow, short afterglow.
Intended for record of electric processes by photographing in different special-purpose radioelectrotechnical devices.
Critical electric and lighting parameters
- Filament voltage, 6.3 V
- Filament current, 0.27-0.33 A
- First anode voltage, 280-514 V
- Second anode voltage, 1500 V
- Cutoff voltage, 67.5-22.5 V
- Screen centre focused line width at screen glow brightness 16 cd/m2, max. 0.55 mm
- Modulating electrode voltage at screen glow brightness 16 cd/m2, max. 35 V
- Deflection sensitivity of temporary plates X1-X2, 0.14-0.26 mm/V
- Deflection sensitivity of signal plates U1-U2, 0.19-0.29 mm/V
- Operating time, 1000 hours
Acceptability criterion:
- a) Spurious glow brightness, max. 0.1 cd/m2
- b) Screen centre line width, max. 0.7 mm
- c) Modulating electrode voltage, max. 40 V