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What is Current Probe Design and Measurement Guide about?

This document describes the design and operation of a current probe for safely measuring alternating currents. The probe uses two transformers with a 1:32 turns ratio cascaded to provide a total current step-down ratio of 1:1,000. This allows measurement of currents up to 15A or 20A at 50Hz with relative errors less than 1.5% or 5% respectively. The output current is converted to a voltage by an opamp circuit for measurement on an oscilloscope. Test data shows the probe has a frequency range of 50Hz to 100k

Author

Tariq Zuhluf

Language

EN