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2. Current sensing - Wikipedia

   en.wikipedia.org/wiki/Current_sensing

   In electrical engineering, current sensing is any one of several techniques used to measure electric current. The measurement of current ranges from picoamps to tens of thousands of amperes. The selection of a current sensing method depends on requirements such as magnitude, accuracy, bandwidth, robustness, cost, isolation or size.

3. Ammeter - Wikipedia

   en.wikipedia.org/wiki/Ammeter

   As the current through the coil increases, the plunger is drawn further into the coil and the pointer deflects to the right. An ammeter (abbreviation of ampere meter) is an instrument used to measure the current in a circuit. Electric currents are measured in amperes (A), hence the name. For direct measurement, the ammeter is connected in ...

4. Electrometer - Wikipedia

   en.wikipedia.org/wiki/Electrometer

   Electrometer. Kolbe electrometer, precision form of gold-leaf instrument. This has a light pivoted aluminum vane hanging next to a vertical metal plate. When charged the vane is repelled by the plate and hangs at an angle. An electrometer is an electrical instrument for measuring electric charge or electrical potential difference. [1]

5. Rogowski coil - Wikipedia

   en.wikipedia.org/wiki/Rogowski_coil

   Rogowski coil. A Rogowski coil is a toroid of wire used to measure an alternating current I(t) through a cable encircled by the toroid. The picture shows a Rogowski coil encircling a current-carrying cable. The output of the coil, v(t), is connected to a lossy integrator circuit to obtain a voltage Vout(t) that is proportional to I(t).

6. Current clamp - Wikipedia

   en.wikipedia.org/wiki/Current_clamp

   Clamp meter. In electrical and electronic engineering, a current clamp, also known as current probe, is an electrical device with jaws which open to allow clamping around an electrical conductor. This allows measurement of the current in a conductor without the need to make physical contact with it, or to disconnect it for insertion through the ...

7. List of electrical and electronic measuring equipment

   en.wikipedia.org/wiki/List_of_electrical_and...

   Measures current without physical connection. Curve tracer. Applies swept signals to a device and allows display of the response. Cos Phi Meter. Measures the power factor. Distortionmeter. Measures the distortion added to a circuit. Electricity meter. Measures the amount of energy dissipated.

8. Source measure unit - Wikipedia

   en.wikipedia.org/wiki/Source_measure_unit

   Overview. The source measure unit (SMU), or source-measurement unit, is an electronic instrument that is capable of both sourcing and measuring at the same time. It can precisely force voltage or current and simultaneously measure precise voltage and/or current. An SMU instrument can source and sink power in all four quadrants.

9. Galvanometer - Wikipedia

   en.wikipedia.org/wiki/Galvanometer

   A galvanometer is an electromechanical measuring instrument for electric current. Early galvanometers were uncalibrated, but improved versions, called ammeters, were calibrated and could measure the flow of current more precisely. Galvanometers work by deflecting a pointer in response to an electric current flowing through a coil in a constant ...