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  2. Electrostatic fieldmeter - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_Fieldmeter

    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. This force is converted to volts, measuring both the ...

  3. Field strength meter - Wikipedia

    en.wikipedia.org/wiki/Field_strength_meter

    Field strength meter. 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. Some FS meters can also receive satellite (TVRO and RRO) frequencies.

  4. EMF measurement - Wikipedia

    en.wikipedia.org/wiki/EMF_measurement

    An EMF meter is a scientific instrument for measuring electromagnetic fields (abbreviated as EMF). Most meters measure the electromagnetic radiation flux density (DC fields) or the change in an electromagnetic field over time (AC fields), essentially the same as a radio antenna, but with quite different detection characteristics.

  5. Electrical conductivity meter - Wikipedia

    en.wikipedia.org/wiki/Electrical_conductivity_meter

    An electrical conductivity meter (EC meter) measures the electrical conductivity in a solution. [1] It has multiple applications in research and engineering, with common usage in hydroponics, aquaculture, aquaponics, and freshwater systems to monitor the amount of nutrients, salts or impurities in the water.

  6. Water metering - Wikipedia

    en.wikipedia.org/wiki/Water_metering

    Water metering is the practice of measuring water use. Water meters measure the volume of water used by residential and commercial building units that are supplied with water by a public water supply system. They are also used to determine flow through a particular portion of the system. In most of the world water meters are calibrated in cubic ...

  7. Electrometer - Wikipedia

    en.wikipedia.org/wiki/Electrometer

    Electrometer. For the pseudoscientific equipment used in Scientology, see E-meter. 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 ...