Doble M4100 Power Factor Insulation Analyzer

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The Doble M4100 High Voltage Apparatus Tester is a power factor/Tan-Delta analyzer for conducting insulation tests. The M4100 Tan-Delta instrument collects a comprehensive analysis of device insulation, detecting leaks in electric current and damage to windings. The Doble Voltage Apparatus Tester also offers an internal waveform generator for accurate testing results, ensuring a ±0.005% typical accuracy for power Factor/Tan-Delta measurements.

The Doble M4100 Power Factor/Tan-Delta instrument is trusted worldwide for insulation testing with dual safety switches and ground earth relay interlocks for safer tests. The M4100 High Voltage Apparatus Tester has a  95-264 VAC power input and a 3 kVA source output. The M4100 is equipped with an artificial intelligence analysis software, called DTA6 Basic, and features self-calibration capacitor bank testing.