1. The whole machine is controlled by high-speed single-chip microcomputer, high degree of automation, easy to operate.
2. The instrument uses a new power technology, current stalls and more,  measuring range, suitable for large and medium-sized transformer DC resistance measurement.
3. Perfect protection  function, which can reliably protect the instrument against the  back-EMF. The performance is more reliable.
4. with a sound discharge alarm, clear discharge instructions to reduce misuse.
5. Fast response, in the measurement state can be directly converted  on-load tap-changer, the instrument automatically refresh the data.
6. Intelligent power management technology, the total work of the  instrument in the minimum power state, effective energy saving, reduce  fever.
7. 320 × 240 dot matrix ultra-small pixel 65K true color LCD,
8. The instrument comes with calendar clock and power-down storage, can store 1000 sets of test data, available at any time
9. The instrument is equipped with RS232 and USB interface, and computer communications and U disk storage.