1. 1%～120% (S class) regulation error (ratio, phase～angle difference) of national standard & non～standard test CT.
2. 1%～120% (S class) any error (ratio, phase～angle difference) of national standard & non～standard test CT.
3. Test and display the upper &lower limiting load and any error (ratio, phase～angle difference) of national standard test CT.
4. Test and display any two groups actual load standard and any error (ratio, phase～angle difference).
5. Test the known and the non～known CT ratio.
6. 302*240 LCD, easy to connect wire and operate, convenient to carry.
7. Can store and print all test results, convenient to users to review.
8. Our portable power source is optional (rechargeable for 1 time, can test 100 current transformers).
