Insulation testers
By Staff -- Test & Measurement World, 10/1/2006 2:00:00 AM
Megger’s family of eight insulation testers offers test voltages from 10 V to 1000 V for installation, maintenance, service, and repair work in the electrical, power, and telecommunications industries. Each instrument features dual digital and analog arc displays that simultaneously show both the measurement result and the actual test voltage being delivered.
To meet low-voltage insulation testing requirements, the instruments deliver test voltages from 10 V to 100 V selectable in 1-V increments. They also include an insulation resistance measurement range that extends from 20 GΩ to 200 GΩ, with the option to display the insulation test voltage or leakage current on the secondary display.
Measurement of cable distance by capacitance is included on two of the models, providing a convenient cable length test. Some models also furnish timed insulation tests for polarization index and dielectric absorption ratio measurements. A 200-mA continuity measurement is available with 0.01-Ω resolution for fast, accurate cable resistance measurements. All units conform to IEC1010-2 for Category IV 600-V applications.
Megger, www.megger.com.
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