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The Associated Research 8104 OMNIA 4 is a 5 kVAC/DC Hipot tester with a built-in Insulation Resistance, Ground Bond and Continuity Tester. The AR 8104 uses four-wire measurement technique to factor out test lead resistance, making measurements more accurate. The Milliohm Offset features allows the operator to factor out additional lead and fixture resistance. It has patented SmartGFI™ which disables the instrument’s output voltage in less than 1 millisecond if excessive leakage to ground is detected. If enabled, SmartGFI™ automatically detects if the DUT is floating or grounding and turns ON or OFF accordingly. The OMNIA simultaneously monitors real and total current in AC Hipot mode on the same screen.Specifications. Dielectric Withstand Test Mode Output Rating: 5000 V @ 40 mA AC, 5000 V @ 20 mA DC. Output Adjustment Range: 0 - 5.00 KV AC, 0 - 5.00 KV DC. Voltage Setting Resolution: 1 V. Voltage Setting Accuracy: ± (2% of setting + 5 V). HI and LO-Limit AC Total Range: 0.000 - 9.999 mA, Resolution 0.001 mA. HI and LO-Limit DC Range: 0.0 - 999.9 µA, Resolution 0.1 µA. Arc Detection Range: 1 – 9. Ground Continuity Current: DC 0.1 A ± 0.01 A (Max. ground Resistance 1 ohm ± 0.1 ohm, fixed). AC Output Waveform: Sine Wave, Crest Factor = 1.3 - 1.5. Output Frequency Range: 50 or 60 Hz, User Selectable. Insulation Resistance Test Mode Voltage Setting Range: 50 - 1000 VDC, Resolution 1 Volt, Accuracy ± (2% of setting + 2 counts). Resistance Display Range: 0.05 M-ohm – 50,000 M-ohm (4 Digit, Auto Ranging). Ground Bond Test Mode Output Voltage Range: 3.00 – 8.00 VAC, Resolution 0.01 V, Accuracy ± (2 % of setting + 0.03V) O.C. Condition. Memory: 50 memories, 30 step/memory. Interface: Standard USB/RS-232, GPIB or Ethernet. Graphic Display: 320 X 240 Monographic LCD. Options. Scanning Matrix, 4 or 8 port high voltage switching matrix with continuity.
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