TH 9426
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BrandThomson-CSF
ClassX-Ray Image Intensifier Tube
BaseFlexible wires
Construction
Primary TypeElectronic Zoom X-Ray Image Intensifier
EnvelopeMetallic shell with lead shield
Base MaterialMetallic shell
SectionsTri-field (22/16/11.5 cm)
Filament / Heater
Absolute Maximum Ratings
Plate Voltage32000 V
Grid 2 Voltage3000 V
Grid 1 Voltage500 V
Cathode Current0.0005 mA
Audio Performance
Key Features
- Electronic Zoom
- High Resolution Compact Tube
- Active Getter
- Brightness gain 6000 X
- Adjustable magnification (1/11 to 1/5.5)
- P20 Viewing screen
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Normal (22 cm) | 30000V | - | - | - | 0.002mA |
| Magnified 1 (16 cm) | 30000V | - | - | - | 0.002mA |
| Magnified 2 (11.5 cm) | 30000V | - | - | - | 0.002mA |
Application Notes
Designed for medical and industrial radiology with high brightness gain to reduce X-ray dose rates. Includes active getter for life-long vacuum stability and protection shell against stray magnetic fields.
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