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A digital electrostatic fieldmeter for measuring electrostatic charges. 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.
NSSL's Field Observing Facilities and Support group (FOFS) is responsible for a device called an Electric Field Meter (EFM) that is attached, along with other instruments, to a special research balloon and launched into thunderstorms. As they are carried up through electrified storms, these EFMs are designed to measure the strength and ...
In ideal free space, the electric field strength produced by a transmitter with an isotropic radiator is readily calculated. [1] where is the electric field strength in volts per meter is the transmitter power output in watts
Objects protruding these fields, e.g. flowers and trees, can increase the electric field strength to several kilovolts per meter. [19] These near-surface electrostatic forces are detected by organisms such as the bumblebee to navigate to flowers [19] and the spider to initiate dispersal by ballooning.
where E is the electric field strength, B is the magnetic field induction, q is the charge of the particle, v is its current velocity (expressed as a vector), and × is the cross product. So the force on an ion in a linear homogenous electric field (an electric sector) is: =,
An electrostatic analyzer or ESA is an instrument used in ion optics that employs an electric field to allow the passage of only those ions or electrons that have a given specific energy. It usually also focuses these particles (concentrates them) into a smaller area.