MEGGER MIT 520/ 2 Insulation Resistance Tester

Price:

85.000.000,-

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The Megger MIT520 insulation resistance tester os designed specifically to assist the user with the testing and maintenance of high voltage equipment. The instrument has a maximum reading of 10-kV and is designed in a user-friendly landscape style.

The MIT520/ 2 measures to 15 T© , replacing the ambiguous " infinity" reading with an actual number that can be used for predictive/ preventive trending on the highest quality insulation. Both units are supplied with test leads with medium insulated clips. The MIT520/ 2 has the ability to set the test voltage from 50 V to 5000V.

The Megger MIT520/ 2 resistance tester has a large, easy-to-read backlit LCD making them equally suitable for use in both bright sunlight and poorly lit environments. Information displayed includes resistance, voltage, leakage current, capacitance, battery status and time constant. In addition, the elapsed time is displayed constantly, removing the need for separate timers. The MIT520/ 2 allows up to 3 timed measurement positions to be set, which simplifies DAR testing.

A built-in integral timer starts automatically at the beginning of a test, and displays in minutes and seconds. At the end of any test, capacitive loads are automatically discharged and the decaying voltage displayed. The MIT520/ 2 has the capability of preprogrammed DAR, PI, SV and DD. The unit includes a selectable breakdown or burn mode and an alarm mode, which allows the operator to preset a specific resistance level. The unit will beep until the limit is exceeded. The controls of the instruments are clear and unambiguous, and a " quick start" guide is included in the lid, eliminating the need to carry manuals to site locations.

Redundant safety features make the instruments fully amenable to safe operation in the more demanding high voltage environment. The CAT IV 600 V safety rating means that the instruments are protected for use on outside applications and are protected against impulses to 8 kV. Instrument design is in conformance with EN61010 for arc-flash protection. If the instrument is accidentally connected to a live test item, external voltage will be automatically displayed and testing inhibited above 50 V. At the conclusion of a test, dangerous static voltage on the test item is automatically discharged and monitored on the display. The unit is fitted with a guard terminal to enhance accuracy. The guard test lead is included as standard with the instrument.
Megger MIT520/ 2 Resistance Tester Applications

The MIT520/ 2 is designed for testing the insulation of high-voltage electric equipment. The wide voltage range also allows applications for low-voltage equipment. Generators, motors, transformers, cables and switchgear all require effective maintenance. The test techniques on the instruments provide valuable diagnostic information. The MIT520/ 2 tests the insulation resistance of:

High-voltage power cables and high-voltage buses
Large motor/ generator windings
Line and substation transformers

The MIT520/ 2 also performs spot tests, step-voltage tests, dielectric discharge tests and dielectric absorption tests for the following applications:

Acceptance testing at installation to check conformance to specifications
Routine preventive/ predictive maintenance testing after installation
Quality assurance testing as part of the manufacturing process
Diagnostic testing to isolate faulty components for repair

Improvements Include:
Safety rating increased to CATIV 600V
6220-820 Medium insulated clips Included
Operates down to – 20 degrees C
Battery life management improvements
Supplied with Power DB Lite software

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