Sysmex XP-300 14-47
Technical Information
Revised October 2012
Electric system
The microprocessor in the main unit controls the hydraulic system’s solenoid valves and master
valves, thus regulating the flow of samples, reagents, and waste in the hydraulic system.
Electric signals received from various transducers go through the analogue circuit for electrical
waveform-processing, and to the microcomputer. The microcomputer converts the analogue signals
into digital signals for the calculation.
The WBC, RBC, and PLT cell signals are sent to the respective waveform-processing circuits in the
analogue circuit, where the noise in signals is eliminated to acquire the required cell signals only. The
microcomputer converts the A/D-converted cell signals into particle distribution data, and outputs
them to the printer or to the host computer.
To calculate HGB, absorbance of only the diluent (background) is deducted from samples’
absorbance. The beam that has passed through the fluid is detected by the photo diode. And the
signals is photoelectrically converted, A/D converted, and then sent to the HGB counting circuit for
the calculation of the absorbance.
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