GF1061R portable instrument transformer turns ratio test set is mainly used for field or lab testing of current transformers and voltage transformers, it can fully automatic test CT and PT turns ratio. Adopt 7 inch touch TFT LCD, self-equipped mini type printer supporting field printing; supporting to use USB flash disk to dump data. Test quickly, operation simply Environmental conditions Accuracy 0.05% Power supply AC 220V±10% or AC 120V±10%, 50/60Hz Voltage Range 0-100Vrms Resolution 0.1V Current Range 0-500mA Current accuracy ±1mA, ±0.05% of reading ±1 digit CT PT Turns ratio CT 0.8-50000; PT 0.8-10000 CT PT turns ratio Accuracy ±0.05% Phase angle measurement 0-90