Combines Time Domain Reflectometer (TDR), Impulse Current Method (ICM) and Secondary Impulse method (SIM) for fault detection, Interactive menu-guidanceMeasuring range up ... RS 232Memory up to 50 echo-grammsPulse Reflection MethodSecondary Impulse Method (SIM)Impulse Current MethodVoltage of transmitting pulse:Measuring Methods:Specification:30VWidth ...