AC/DC电流探头 CT6844额定电流AC/DC 500 A输入电流DC720 A,日本日置hioki仪器,降额范围内频率特性振幅: DC~200 kHz, 相位: DC~200 kHz振幅/相位精度DC (±0.3% ±0.02% f.s.)DC < f ≤ 100 Hz (±0.3% . ±0.01% f.s. , ±0.1°)200 k