... items as below:-Instrument Transformer Tester, Model ITC-C,-Standard reference CT, Model HL-62CS-Current load box ,model FY-96 ... to computer. Description: The test set used for CT site calibration at power frequency state. The tested CT accuracy can reach ... (with micro-printer) -Harmonic control >40db -Polarity Check/ Indication Standard reference CT, Model HL-62CS -Rated load : 5VA,1VA PF=1 ...