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Part of the Oxford Instruments Group
Oxford Instruments glass X-ray tubes are recognized for their performance and long life.
High flux and spot size stability make our X-ray tubes an ideal solution for demanding applications, such as those requiring continuous operation. The 90507 and other 1000 series tubes are uniquely designed with a very small isostatically focused spot for high resolution applications, such as mini C-Arm fluoroscopy. The robust electron gun assembly has been constructed for optimal use in integrated X-ray sources, where heat dissipation is an issue. Long tube life is achieved by ultra-high vacuum maintained with the Oxford Instruments unique Pin Flash getter. This tube operates in bi-polar mode.
| Operating Voltage Range | 90507, 90501: 40-80kV (bi-polar operation: -40kV cathode, +40kV anode) 90502: 40 - 65kV |
| Maximum Power | See Product Quote table below. |
| Maximum beam current | See Product Quote table below. |
| Maximum Filament Current | 1.7A |
| Filament Voltage | 2.0V (nominal) |
| Focus to Object Distance (FOD) | 14.2mm (0.56”) (nominal) |
| Window material and thickness | Glass—1.40mm ± 0.15 |
| Target material | W |
| Target angle | 20° |
| Maximum oil temperature | 80°C |
| Cooling method | Oil |
| Weight | 114g (0.25lbs) |
| Storage conditions | -10°C to 55°C, Barometric Pressure: 50-106kPa; Humidity: 10-90% (no condensation) |
Exceptional image quality -
Stable X-ray output - delivers high precision measurements
Small, stable spot - delivers distortion-free measurements
RoHS compliant design -
| Product Name | Part Number | Outline Drawing | Target | Operating Range (kV) | Max Anode Current (mA) | Max Anode Power (W) | Max Filament Current (A) | Spot Size (µm)** | |
| X-ray Tube, 1000 Glass, W, HP, BiPolar | 90501 | 8218 | W | 40 - 80 | 0.7 | 56 | 1.7 | 100 Max. | Add to quote list |
| X-ray Tube, 1000 Glass, W, HP | 90502 | 8218 | W | 40 - 65 | 0.5 | 32.5 | 1.7 | 90 Max. | Add to quote list |
| X-ray Tube, 1000 Glass, W, VHP, BiPolar | 90507 | 8218 | W | 40 - 80 | 0.5 | 40 | 1.7 | 33 Nom. | Add to quote list |
Note: Part number specific copies of outline drawings and product specification sheets are available.
**Max. = Maximum, Typ. = Typical, Nom. = Nominal (per IEC60336,NEMA XR5-1999)
© Oxford Instruments 2021
