The E-Meter (also electropsychometer and Hubbard Electrometer) is an electronic device used in Scientology that allegedly "registers emotional reactions"...

encumbrances of the physical universe.: 81  The electrical device, termed an E-meter, is an integral part of auditing procedure, and Hubbard made numerous unsupported...

An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed...

A smart meter is an electronic device that records information—such as consumption of electric energy, voltage levels, current, and power factor—and communicates...

Water metering is the practice of measuring water use. Water meters measure the volume of water used by residential and commercial building units that...

A volume unit (VU) meter or standard volume indicator (SVI) is a device displaying a representation of the signal level in audio equipment. The original...

A light meter (or illuminometer) is a device used to measure the amount of light. In photography, an exposure meter is a light meter coupled to either...

The metre (or meter in US spelling; symbol: m) is the base unit of length in the International System of Units (SI). Since 2019, the metre has been defined...

A pH meter is a scientific instrument that measures the hydrogen-ion activity in water-based solutions, indicating its acidity or alkalinity expressed...

Below is the list of measuring instruments used in electrical and electronic work. E-meter List of power engineering measuring equipment...