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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.
An electrostatic-sensitive device (often abbreviated ESD) is any component (primarily electrical) which can be damaged by common static charges which build up on people, tools, and other non-conductors or semiconductors. [1] ESD commonly also stands for electrostatic discharge.
Name Purpose Ammeter (Ampermeter) : Measures current Capacitance meter: Measures the capacitance component Current clamp: Measures current without physical connection
A field strength meter is actually a simple receiver. The RF signal is detected and fed to a microammeter, which is scaled in dBμ.The frequency range of the tuner is usually within the terrestrial broadcasting bands.
An optical sensor converts light rays into electronic signals. It measures the physical quantity of light and then translates it into a form readable by an instrument. An optical sensor is generally part of a larger system that integrates a source of light, a measuring device, and the optical sensor. This is often connected to an electrical ...
a) The sensor has an electronic chip. The measuring signal is directly converted into a digital signal inside the sensor. The data transmission through the cable is also digital. This digital data transmission is unaffected by cable length, cable resistance or impedance, and is not influenced by electromagnetic noise. Standard cables can be used.
Capacitive sensors can also replace mechanical buttons. A capacitive touchscreen typically consists of a capacitive touch sensor along with at least two complementary metal–oxide–semiconductor integrated circuit (IC) chips, an application-specific integrated circuit (ASIC) controller and a digital signal processor (DSP).
A ChemFET is a chemically-sensitive field-effect transistor, that is a field-effect transistor used as a sensor for measuring chemical concentrations in solution. [1] When the target analyte concentration changes, the current through the transistor will change accordingly. [2] Here, the analyte solution separates the source and gate electrodes. [3]