... the operator in operation.Over speed and imbalance protection, the centrifuge will stop automatically when the above situation happened.3 tiers ... , safe and reliable. Emergency locks under the bottom of the centrifuge which help you open the lid, when power off.Technical ... dimensionNet weight12000rpm158000-99min<55dBAAC220V/110V,50HZ/60HZ,5A500*370*31023KG Hematocrit Centrifuge