Hypatia 309 Milliohms Meter

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The Hypatia 309 High Current Sourcing Milliohms Meter provides efficient and accurate stress based testing of safety ground systems to insure that they meet certain performance standards of safety certification agencies such as UL, ETL, TUV, CSA, VDE, BABT and others. It utilizes probes with built-in remote sensing or, for multi-point testing or the highest precision measurements, auxiliary Kelvin sense probes. In addition to ground impedance measurements, it can provide and accurately monitor the high currents necessary to test ground system endurance as is required for ground guards on etched circuit boards or in power transformers or other components.

Impedance Measurement (true rms based)	Accuracy:	±1% of reading
Impedance Measurement (true rms based)	Range:	0 to 100 ohms
True RMS Digital Current Measurement	Accuracy:	±1% of reading ±4 mA
True RMS Digital Current Measurement	Range:	0 to 144 Amps rms
True RMS Bar Graph Current Measurement	Accuracy:	±1%, ±4 mA
True RMS Bar Graph Current Measurement	Range:	2.5 to 77.5 Amps rms (0 to 2.5 Amps implied)
Duty Cycle	Continuous to 35 Amps. Derate linearly to 50% at 60 Amps
Input Power	90 to 132 Vrms, 3.0 Amps maximum
Temperature Range	5 to 40 °C
Network Slot Cards	Multi-mode serial standard, which includes:	AppleTalk, LocalTalk, EIA-422, EIA-232-E (aka RS-232), and EIA-485