Maaintenance
8-2
Before using the device again, the tube shall be trained to ensure that the device
can work normally. The tube training steps are as follows:
Turn on the device and warm it up for 10 minutes. Adjust the imaging condition
to 40kV/1mAs, and perform exposure once every 2 minutes, 10 exposures in
total.
b) Check the cables every 6 months for aging or damage.
c) Clean the device frequently when the device is powered off and the electrical
equipment is insulated.
8.4 Calibration Instruction
【Caution】: This operation requires the X-ray unit to be tested in a protective room!
The calibration procedure for the SR-8230S requires special tools and should be done by
SIUI trained technicians only.
Tools required：
• X-ray quality tester (recommended model: RTI model prinaha657)
• Dual channel oscilloscope
1) Before calibrating the voltage of the X-ray tube, the battery shall be fully charged in
advance, and the charger must be unplugged and put aside for 15 minutes.
2) The X-ray quality tester in use shall maintain an angle parallel to the X-ray output of
the unit, and the cross center of the X-ray quality tester shall coincide with the laser
focus of the X-ray unit. Monitor the actual exposure kV value, and use a digital
oscilloscope to monitor: the kV feedback monitoring point TP39 on the SYS board,
the mA feedback monitoring point TP43 on the SYS board.
3) Loading exposure
a) Adjust the parameters on the panel to 100kV, 40mA,4mAs. First, remove the
aluminum sheet of the X-ray output, press the exposure hand switch level 1, make
sure the filament at the X-ray output is turned on normally, and then release the
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