Mini–X is a self-contained, miniature X-ray tube system, which includes the X-ray tube, high voltage power supply and USB controller. Designed for X-ray fluorescence an alysis applications - XRF.
Mini–X is a self-contained, miniature X-ray tube system, which includes the X-ray tube, high voltage power supply and USB controller. Designed for X-ray fluorescence analysis applications - XRF.
| Features | Applications |
| • 50 kV / 80 μA | • X-Ray Fluorescence (XRF) analysis |
| • Ag or Au target | • Portable systems |
| • USB controlled | • OEM |
| • Stable output | • Process Control |
| • Fast | • Research |
| • Low power | • Teaching |
| • Small | |
Mini-X is the first of its kind; a self-contained, packaged, miniature X-ray tube system, which includes the X-ray tube, the power supply, the control electronics and the USB communication to the computer. It is designed to replace radioisotopes in X-ray fluorescence analysis applications.
Mini-X has been designed to simplify the XRF process by providing a grounded anode, variable current and voltage controlled via USB and ease of operation. It features a 50 kV/80 µA power supply, a gold (Au) or silver (Ag) transmission target, and a beryllium end window. It is designed for continuous operation in industrial environments.
To further simplify the use of Mini-X an AC adaptor is provided to supply the 12 VDC needed to power the system. The only connections needed to operate the tube are a USB cable and AC adaptor. A flashing red LED and a beeper warns the user when x-rays are present.
Mini−X Specifications
| Target Material | Silver (Ag) | Gold (Au) |
| Target Thickness | 0.75 μm (±0.1 µm) | 1 μm (±0.1 µm) |
| Tube Voltage | 10 to 50 kV | 10 to 50 kV |
| Tube Current | 5 µA min. / 200 µA max. | 5 µA min. / 200 µA max. |
| Approximate Dose Rate | 1 Sv/h @ 30 cm on axis, 50 kV and 80 µA | 1.3 Sv/h @ 30 cm on axis, 50 kV and 80 µA |
| Approximate Flux | 106 counts per second/mm2 on the axis at a distance of 30 cm (50 keV/1 µA) | 1.3x106 counts per second/mm2 on the axis at a distance of 30 cm (50 keV/1 µA) |
| Continuous Output Power | 4 W max. @ 100% duty cycle | 4 W max. @ 100% duty cycle |
| Window Material | Beryllium (Be); window at ground | Beryllium (Be); window at ground |
| Window Thickness | 127 µm | 127 µm |
| Focal Spot Size | Approximately 2 mm | Approximately 2 mm |
| Output Cone Angle | 120° | 120° |
| Cooling | Air cooled | Air cooled |
| High Voltage Stability | < 0.1% | < 0.1% |
| Leakage Radiation | <5 µSv/h (0.5 mrem/h) at 5 cm with safety plug installed | <5 µSv/h (0.5 mrem/h) at 5 cm with safety plug installed |
| Power Consumption | 9 W at 50 kV and 80 µA | 9 W at 50 kV and 80 µA |
| Input Voltage | 12 VDC (AC adapter included) | 12 VDC (AC adapter included) |
| Control | USB, mini-USB connector (cable included) | USB, mini-USB connector (cable included) |
| Setting Time | Typical < 1 s | Typical < 1 s |
| Weight | 360 g | 360 g |
| Humidity | 30 to 90% non condensing | 30 to 90% non condensing |
| Operating Temperature | -10 °C to +50 °C | -10 °C to +50 °C |
| Storage Temperature | -25 °C to +60 °C | -25 °C to +60 °C |
| Safety Controls and Indicators | 1) External hardware interlock 2) Flashing LED 3) Beeper | 1) External hardware interlock 2) Flashing LED 3) Beeper |
| Software | Control Software controls voltage and current. Mini-X API for custom programming applications | Control Software controls voltage and current Mini-X API for custom programming applications |
| Warranty | One year or 2000 hours, whichever comes first | One year or 2000 hours, whichever comes first |
Radiation Precautions
The Mini−X Is intended to generate x-ray radiation during normal operation. The Mini−X has been designed to focus radiation in the designated output direction, however radiation in other directions is possible and should be addressed with shielding and/or monitoring in the final application.
Radiation Levels external to the X-ray tube housing with the brass safety plug ON do not exceed 25 µS/h (2.5 mrem/h) measured 5 cm from the surface of the housing in accordance with Requirements 5.2.2.2.2 of the National Bureau of Standards (NBS) Handbook for Radiation Safety for X-Ray Diffraction and Fluorescence Analysis Equipment.
Examples of Shielding (that comply with the above standard)
1 mm (0.040 inch) of Pb will result in radiation levels of 0.5 mrem/h.
6.35 mm (0.250 inch) of Fe will result in radiation levels of 0.5 mrem/h.
3.18 mm (0.125 inch) of Brass will result in radiation levels of 2.5 mrem/h.
The inside of the housing can also be lined with 3.18 mm (0.125 inch) of aluminum (Al) in order to absorb the XRF from the shielding
This device produces X-Rays when energized. To be operated only by qualified personnel.
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