This advanced diagnostic tool enables wireless measurement of secondary voltage drops in three-phase three-wire or four-wire systems. Designed for safety and efficiency, it eliminates the need for long test leads, preventing short-circuit risks while ensuring high-precision field verification.

| Test Project | Range | Min Resolution |
|---|---|---|
| Voltage (V) | 0 ∼ 1200.000 | 0.001 |
| Current (A) | 0.005 ∼ 600 | 0.0001 |
| Difference (%) | −10.000 ∼ 10.000 | 0.001 |
| Angular Diff (') | −600 ∼ 600.00 | 0.01 |
| Error Value (%) | −10.000 ∼ 10.000 | 0.001 |
| Amendment (%) | −10.000 ∼ 10.000 | 0.001 |