There are so many parameters in electrical testing so first you must first specify as to which parameter you want to test. Below is list of some tester.1. Meggar (Insulation tester), there are different ranges available and based on the requirements selection is made for range. For example Kyoritsu3125 Insulation Tester (Megger) has ranges available from500V to5000V. You can perform insulation testing between the mentioned ranges on this equipment.2. Earth Tester: used to measure earthing resistance.3. High Voltage Tester: It is used to detect presence of High Voltage.4. Oil Dielectric Tester: Used to check dielectric strength of transformer oil.
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