... , the highest can reach up to 10000. m Accurately measures ratio, phase deviation and exciting currentm highest accuracy can up to ... -phase transformer within 11 seconds. m Blind test for turns ratio and groups.m 8 output terminals, including neutral pointm Data ... ×165mm,6 Kgm ApplicationsTTR773 is one very typical transformer turns ratio test set, widely used for Grid, substation and power plant ...