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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