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At every stage, electrical safety testing standards must be followed. For these requirements Insulation resistance tester comes in place. These testers are best to test high voltage equipment including switchgear, motors, generators and cables. The tester involves measuring the insulation resistance of a device under test. These days’ testers come with advanced features, which are safe enough and easy in application. The Insulation Tester involves measuring the insulation resistance of a device under test, while phase and neutral are short circuited together. These testers are rugged, compact and used by electrical contractors and industrial and commercial electricians. They routinely calculate Dielectric Absorption Ratio. The repetitive tests done are simple and easy to use. They all offer multiple insulation test voltages: 50 V, 100 V, 250 V, 500 V, and 1000 V.

Testing the reliability of insulation requires measuring its resistance to current flow across it. In case there is high level of resistance, would confirm only slight current escaping through the insulation. On the contrary, a low level of resistance specifies a major amount of current might be leaking through and along the insulation. Insulation Resistance tests are done to be certain about the healthiness of overall insulation system of electrical equipment. It reflects the presence or absence of harmful contamination, dirt, moisture and gross degradation.

If we talk about megohmmeter which are also called insulation resistance tester, they are much used to find the ohmic value of an insulator. The process is done under a direct voltage of great stability commonly 50, 100, 250, 500, or 1000 VDC. A megohmmeter usually is equipped with three terminals. The "LINE" terminal is basically the "hot" terminal and is connected to the conductor. We must always remember these tests are performed while the circuit is reenergized.

Omni controls offers top quality and branded measuring and testing equipments including insulation resistance tester, insulation tester from many leading brands like Megger, Fluke, Sonel Test and Measurement, Extech, AEMC, Reed instruments and more. These all brands offer with the best reliable and accurate test and measurement solutions. You can log on at the website to check the products section to find the best megohmmeterfor sale or insulation tester for sale that suits your requirement at economical prices.