Profile: Hypatia Inc. offer milliohm meters and accessories. The model 309 high current sourcing milliohm meter has a direct five digit readout of impedance in milliohms to 100 ohms. It has flexible audio alert threshold setups and full time bar graph display of true rms test current to 60 amps. The model 101 milliohm meter probe has medium alligator clip termination. The model 105 milliohm meter probe has large alligator clip termination.