... as below:-Instrument Transformer Tester, Model ITC-C,-Standard reference CT, Model HL-62CS-Current load box ,model FY-96, two piece ... fault and the ratio mistake. Technical Specifications: Instrument Transformer Tester, Model ITC-C -Input: Power Frequency: 50Hz±0.5Hz, ... -Temperature: 5°C ~ 40°C,Humidity: <80% Test control, model TC20 : -Capacity: 20kVA+500VA (tiny adjusting) -Input voltage: AC ...