Lots of discussion like shunts, accuracy, effect, low frequency current, direct current, alternating current, power, voltage converter, sensing, printed circuit boards, hand held instruments, secondary current, frequency response, magnetoresistive current, hysteresis loop, phase, high voltage, frequency, and resistance are presented inside the article. The article tells the reader things about current, moving coil, magnetic amplifier, power frequency, permanent magnet, magnetic field, circuit, voltage drop, sensed current, current transformers, equipment, material, measuring device, transformer, phase shift, sensors, galvanic isolation, sensor, and current sensors.
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An isolated current sensor is free of any metallic connection to the circuit being measured. It is also essentially free of capacitive coupling so that it is safe to use with grounded amplifiers and other equipment. The quality of the isolation is measured in volts and is usually the breakdown potential of an insulator. 5 kV is typical for personal safety around light industrial power. By far the simplest current to voltage converter is the resistor. In current measuring service it is called a shunt even though it is typically placed in series with the load. That’s because shunts are sometimes used to increase the range of another current measuring device using a connection which bypasses part of the current around a meter. Frequency response of a shunt is good and includes dc.
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