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Differentiation between 3-part hematology analyzer and 5-part hematology analyzer

Nanjing Kaihong Healthcare Co.,Ltd | Updated: Feb 28, 2019

Differentiation between 3-part hematology analyzer and 5-part hematology analyzer

1, The difference between the instrument detection principle

Most of the three-part instruments adopt electrical impedance detection technology, which consists of signal generator, amplifier, discriminator, threshold regulator, detection and counting system and automatic compensation device. Most of the five-part products adopt light scattering detection technology, mainly by laser source(Multiple argon-ion lasers are used to provide monochromatic light), detection zones (mainly consisting of devices in the form of sheath flow to ensure that cell suspensions form a single array of cell flows in the detection flow), detectors scattered light detector is a photodiode for collecting scattered light signals generated by laser irradiation of cells; the fluorescence detector is a photomultiplier tube for receiving fluorescent signals generated by fluorescent irradiation of cells after laser irradiation).

2, The difference between Leukocyte Classification methods

Three-part product divides white blood cells into lymphocytes, monocyte, and granulocyte; the five-part instrument divides white blood cells into lymphocytes, monocyte, and granulocyte (neutrophil, eosinophil, and basophil).


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