型号频宽测量范围变比精度PT-710DC-100KHz0.05A-10A1A-100Apeak1A/10mV1A/100mV≦3%≦4%PT-72010Hz-100KHz0.1A-30Apeak0.1A-300Apeak1A-2000Apeak1A/10mV1A/100mV≦3%≦2%≦1%PT-740DC-10kHz0.5-400A0.5-600AAC/DC1A/1mV PT-7401DC-10kHz0.5-40A0.4-60AAC0.5-400ADC0.5-600AAC/DC1A/10mV1A/1mV PT-7402DC-10kHz0.2-60A0.4-60AAC0.5-600ADC0.5-600AAC/DC1A/10mV1A/1mV 1.5% 2%PT-7010DC-2kHz1mA-4.5ADC1mA-3ARMS1mA.-4.5Apeak1mA/1mV≦1%PT-7020DC-1.5kHz0.1-450mADC0.1-300mArms0.1-450mApeak1mA/10mV≦1%PT-780260MHz最大RMS电流：15A最大脉冲峰值电流：600A ≦1%PT-780320MHz最大RMS电流：80A最大脉冲峰值电流：7500A ≦1%