... at test point IEC60185 applied Test Sets Composed of:High Accuracy CT site Calibrating Test Sets are composed of seven items as ... ,160,200,250,300,315,400, ² 500,600,630,750,800,1000,1200,1250,1500,160,2000,2500,3000,3150,4000 ... %(25°C) -Altitude :< 2500m High Accuracy CT Site Calibrating Test Sets