8. Back-Up Power Supply For 30 Min After Electricity Off. Water supply: Water inlet pressure 1.5-6.0 bar Water inlet temperature 5℃~32℃ Max. drain height 1m Concentrate supply Supply pressure 0 to 2 m suction height Electrical data Power supply AC220V±10%, 47-63HZ Current consumption max. max. 10 A Extracorporeal circuit Arterial pressure monitoring Display range -380 mmHg to +400 mmHg Accuracy ±10 mmHg Resolution 1 mmHg