1. One-time wiring can complete direct resistance test and ratio test.
2. Direct resistance test function, for Yn type, Y type and △ type winding, three-phase automatic test can be adopted, and the three-phase imbalance rate can be calculated; the maximum output current is 20A, which can meet the test of low-voltage coil of distribution transformer.
3. Ratio test function, with three-phase, single-phase, Z type transformer test function; PT/CT ratio and polarity test function; blind test function.
4. Energy efficiency grade function, with capacity, load, no-load, zero-sequence impedance test function, in accordance with the "Power Transformer Energy Efficiency Limit Value and Energy Efficiency Grade" (GB20052-2020) standard, the energy efficiency grade of distribution transformer is accurately measured and judged.
5. Insulation resistance test function, the maximum output short-circuit current is 5mA, and 1mA~5mA is adjustable. It has insulation resistance IR, absorption ratio DAR, and polarization index PI test functions.
6. It has a variety of wired and wireless communication interfaces to facilitate instrument function expansion.
7. The instrument adopts embedded Linux operating system, which has high security, fluency, ease of use, etc.
8. The instrument adopts A7+M4 dual-core architecture, which meets both the real-time measurement and the smoothness of operation.
9. Industrial-grade 7-inch large screen display, fresh and simple display style design, full touch combined with one-button shuttle operation, creating a comfortable and convenient human-computer interaction experience for you.
10. This instrument is powered by a large-capacity lithium battery with a built-in charger.