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What is the knowledge of high-voltage power supply function of the X ray image intensifier?

According to data from the French Public Health Agency, as of 14:00 May 5th local time, the number of newly diagnosed cases of French new coronary pneumonia increased to 132,967, an increase of 1,104 cases within 24 hours. The number of hospital deaths increased to 16,060, and the number of deaths in disabled nursing homes increased to 9,471. The total number of deaths reached 25,531, an increase of 330.
Currently, there are 24,775 hospitalized patients in France, which is a net decrease of 773 compared with the previous day; 3,430 of them are in the intensive care unit, a net decrease of 266 compared with the previous day. Declined on the 27th. At the same time, more than 52,736 cases have been cured and discharged.
On the French epidemic map, there are still 28 provinces in the epidemic red state, accounting for about 27.7% of the 101 provinces. The French epidemic map is divided into three categories: red, orange and green. Red is the most serious. The standard is that the virus transmission activity is between 10-100% or the intensive care pressure exceeds 80%.

Today I will introduce you to the functional knowledge of the 5 ports of the high voltage power supply of the X ray image intensifier
1. The HV terminal is connected to the anode of the image intensifier (HV terminal is G5 terminal).
2. G4 is connected to the pump electrode of the image intensifier.
3. G3 is connected to the visual field control electrode of the image intensifier, corresponding to three modes: 9 inch, 6 inch and 4.5 inch;
G3 is used to adjust the size of the field of view, that is, the size of the image enhancer image.
4. G2 is connected to the second focus electrode of the image intensifier, there are also three modes: 9 inch, 6 inch and 4.5 inch;
G2 is used to adjust the sharpness of the central part of the image of the image intensifier.
5. G1 is connected to the first focusing electrode of the image intensifier, there are also three modes: 9 inch, 6 inch and 4.5 inch;
G1 is used to adjust the sharpness of the image edge of the image intensifier.
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Author:Jamy


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