... Working principle: Electrical impedance(EI)Measurement. CE Certif TFT touch screen, 22 parametersWorking principle: Electrical impedance(EI)Measurement, Colorimetry ... environment protective reagentsDisplay Models:8 inch 800X600 TFT color LCD handwritten touch screenSample Handing: Closed puncture sample injection, ... supply:AC 110V-240V, 47Hz-63HzCE certified Touch Screen Auto Hematology Analyzer