What Is the Difference Between an Adjustable Megger and an Insulation Resistance Tester

The adjustable megohmmeter is called "megohmmeter" for short. It is consistent with the insulation resistance tester in principle and application, and its name is different. The early megohmmeter used hand to generate power, but with the technological innovation, it now uses electronic boost. At present, the voltage of the megohmmeter can be 0 20kV, which is continuously adjustable, and can realize the automatic measurement and calculation of polarization index and absorption ratio.MeggerUse of megger

Megohmmeter is a commonly used and essential instrument for power, post and telecommunications, communication, electromechanical installation and maintenance, and industrial enterprise departments that use power as industrial power or energy. It is suitable for measuring the resistance of various insulating materials and the insulation resistance of transformers, motors, cables and electrical equipment.Purpose of insulation resistanceInsulation resistance is used to measure the insulation strength of electrical equipment, household appliances or electrical lines to ground and between phases. It adopts medium and large-scale integrated circuits, equipotential protection rings and fourth-order active low-pass filter circuits, with strong anti-interference, high measurement accuracy, electronic boost, LED display, simple operation and fast measurement.

Insulation resistance meterHow to select insulation resistance and meggerThe two are products of different voltage levels. The product selection should be determined according to the use demand, output voltage and measurement range. For transformers with a capacity of more than 1600KVA, 5000v or 10000v insulation resistance test should be selected. For transformers with large capacitance, long line or 500000 V, it is recommended to use 15kV adjustable digital megohmmeter or 20kV adjustable digital megohmmeter, Their advantages are large short-circuit current, strong anti-interference ability and fast test speed. All insulation items in 10kV system can be tested by 2500V or 5000v insulation resistance.

Do you understand that?A long time ago, it was called a megohmmeter. Megohm is a unit and insulation is a function. We generally name it after the function of the instrument, so most users call it an insulation resistance instrument.