When it comes to insulation reliability testing, the Doble M4000 M4100 Power Factor Insulation Analyzer is the industry standard. With its various test options, accuracy and options to extend its testing capabilities, this tester has become a favorite of many. The Doble M4100 allows you to test for Tan Delta, Power Factor, Excitation Current and Capacitance. You can also use the M4000 to test oil resistance by using an oil test cell.
The Doble M4000 M4100 is a 12kV Power Factor tester that utilizes Line Frequency Modulation technology to ensure that the test results are accurate even in environments that have high electrical noise. This makes the M4000 ideal for testing substations and other industrial facilities. This tester lets you recalibrate itself without the need for other equipment. It also generates its own precise sine wave signal for reliable test results. The M4100 allows it to be attached to a computer for remote control and enhanced electrical diagnostics.
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