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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]
An electrostatic fieldmeter, also called a static meter is a tool used in the static control industry. It is used for non-contact measurement of electrostatic charge on an object. It measures the force between the induced charges in a sensor and the charge present on the surface of an object.
Electrical charge by the means of electrometer; Partial discharge measurement; Magnetic field by the means of Hall sensor; Electric field; Electrical power by the means of electricity meter; S-matrix by the means of network analyzer (electrical) Electrical power spectrum by the means of spectrum analyzer; Measurable dependent electrical ...
In practice, an electrostatic charge monitoring probe is placed close (1 mm to 5 mm) to the surface to be measured, and the probe body is driven to the same potential as the measured unknown by an electronic circuit. This achieves a high-accuracy measurement that is virtually insensitive to variations in probe-to-surface distances.
electricity meter: electrical energy used electrometer: electric charge electronic tuner: pitch of musical notes ellipsometer: refractive index, dielectric function, thickness of thin films eudiometer: change in volume of a gas mixture following combustion evaporimeter: rate of evaporation fathometer: ocean depth feeler gauge: gap widths
An additional fact needed is that electric field lines cannot penetrate conductors; if an electric field line penetrated into a volume of metal, the electrons in the metal would flow along the field line, redistributing the charge in the conductor until no electric field was left.
Clamp meter (current transducer) Wheatstone bridge (Precisely measures resistance) Capacitance meter (Measures capacitance) LCR meter (Measures inductance, capacitance, resistance and combinations thereof) EMF Meter (Measures Electric and Magnetic Fields) Electrometer (Measures voltages, sometimes even tiny ones, via a charge effect)
Capacitance meter: Measures the capacitance component Current clamp: 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 ...
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