The 134 Probe Amplifier expands the low frequency capability and sensitivity of the P6021 or P6022 current probes; 1 mA/div to 1 A/div (with oscilloscope or plug-in unit adjusted for 50 mV/div deflection factor); A passive termination is not required when using a 134 and a P6021 or P6022.
Tektronix 134