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Digital

Digital In this equipment measurement accuracy is guaranteed by an state-of-the-arts signals amplification system, offset-free and of high long-term stability. For each test current, the micro-ohmmeter has two scales, automatically eligible by the microprocessor in order to increase ten times reading resolution. Test current may be adjusted by the operator in every one of the scales and their values are measured using an analogue indicator, making it easy to measure resistances with a significant inductive component, as in the case of big transformers windings.


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High Frequency

High Frequency Its operation is based on the use of a high-frequency measurement current (25 kHz), for which ground wire inductive impedance - taking into account a typical length span is reasonably high, making it possible to reduce the effect of the adjacent towers under measurement. The equipment only measures the ground resistance of the surveyed tower, including its base. The extensive G systems, such as meshes, buried wires, metal pipes, etc, are measured only considering the closest section to the connection point, so that the measured value represents the performance, against a pulse signal similar to an atmospheric discharge.


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