Doble M4100 Power Factor/Tan-Delta Instrument

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The Doble M4100 unit is the foundation of the M4000 Power Factor/Tan-Delta Instrument. The M4100 Instrument evaluates the integrity of high-voltage substation apparatus by measuring the power factor/tangent delta and a number of other values. It also measures capacitance, to evaluate physical changes to the apparatus. The M4100 was engineered from the ground up to overcome the common problems that plague other test instruments. The result is nothing less than an entirely new approach to testing.