The MPK-203x high-current micro-ohmmeter is a portable, microprocessor-controlled instrument. Has optimized filters and protections for measurements in electrical substations. Can be used to accurately measure very low contact resistances of high voltage circuit-breakers and switches, busbars, etc., with test currents up to 200A.
Testing of the power transmission towers grounding quality poses a serious problem as they are all electrically interconnected by means of Ground Wires which act as lightning rods, protecting the lines from atmospheric discharges. To make this kind of test feasible, Megabras TM-25R grounding resistance meter for high frequency has been developed. This is the appropriate tool for a fast, safe and reliable grounding resistance measurement in each tower of a working line transmission, without disconnecting the ground wire.
The digital insulation tester model MD-5075x is Megabras' cutting edge insulation analyzer equipment and it is one of the most complete and sophisticated available in the international market. Its proven technology provides safe, reliable and accurate measurements of insulation resistances up to 5TΩ