Electrical insulation can start to deteriorate from the day it is made, but harsh installation environments, extreme temperature and/or chemical contamination can cause further decline, and hinder its performance. As a result, personnel safety and power reliability can suffer, so it is important to identify this deterioration as quickly as possible so that the necessary corrective measures can be taken.
Since 80% of electrical maintenance and testing involves evaluating electrical insulation integrity, insulation resistance testing is very important. To make sure you get the most accurate test results and the best performance from your electrical insulation, Protec Equipment Resources offers the Megger MIT525 for rent, lease or purchase today.
The Megger MIT525 insulation resistance tester measures insulation resistance, voltage, current, and capacitance in high-voltage electrical systems. This multi-ranging digital meter performs timed insulation resistance (IR), polarization index (PI), dielectric absorption ratio (DAR), dielectric discharge test (DD), step-voltage (SV), and ramp tests. The Megger MIT525 measures insulation resistance from 10 kilohms to 10 teraohms, voltage from 30 to 660V alternating current (AC) or direct current (DC), current from 0.01nA to 6mA, and capacitance from 10 nanofarads to 25 microfarads. The unit has test voltages in 10V steps from 50V to 1,000V and in 25V steps from 1,000 to 5,000V. It also has 250, 500, 1,000, 2,500, and 5,000V set test voltages.