MIKO-9A milli-ohmmeter is developed to measure DC resistance in the range of 1 µΩ - 30 kΩ with test current up to 10 А, as well as to generate oscillograms of a switching contactor in the high-speed OLTC; it also provides for demagnetization and "Heat Run Test".
MIKO-9A diagnostic objects:
- Windings of power and instrument transformers, windings of electric motors, generators, linear compensators and windings of other high-inductive equipment;
- Contacts of circuit breakers, resistors, buses and other non-inductive circuit;
- Compensatory, current limiting and other resistors of high-voltage circuit breakers;
Test current range is specified both in automatic and manual modes; resistance measurement range is set automatically. The instrument ensures fully automated resistance measurement of highly inductive load and thermal EMF balancing in external circuit.
MIKO-9A implements specialized measurement modes for various configurations of 11 objects (resistive object, inductive object, voltage transformer, current transformer and power transformer, generator, motor, reactor, compensator, connection filter and magnet), taking into account their specific features. The user can select a standard object from the list, or create his own object.
The device automatically takes into account the configuration of the object for setting measurement modes.
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