The DF55 is a mini 5-Part Hematology Analyzer that uses the Flow cytometry (FCM) + Tri-angle laser scatter for WBC differentiation, the Impedance method for WBC, RBC and PLT test, and Cyanide free colorimetry for HGB test. It requires a 20 μL sample volume, has a throughput of up to 60 tests per hour and internal memory for the storage of up to 100,000 records.