Provides a laboratory test in fields of biochemistry, microbe immunity genetics, blood separation and also a general clinic test to hematocrit value ( HT) , which defines the percentage of Red Blood Cells against the whole body reflecting the status of Red Blood Cells. May be use to detect the percentage of anemia or polycythemia. – KHT-430B & PLC-012B function the automatic brake when the preset time has elapsed. – EMI filter is designed in conformity with 89/ 336 EEC-EMC Directive – KHT-400 features the timer-activated operation.