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An LCR meter is a type of electronic test equipment used to measure the inductance (L), capacitance (C), and resistance (R) of an electronic component. [1] In the simpler versions of this instrument the impedance was measured internally and converted for display to the corresponding capacitance or inductance value.
A capacitance meter is a piece of electronic test equipment used to measure capacitance, [1] mainly of discrete capacitors. Depending on the sophistication of the meter, it may display the capacitance only, or it may also measure a number of other parameters such as leakage , equivalent series resistance (ESR), and inductance .
The Creative Electronics ESR meter was the primary device many used for the duration of the patent. The patent expired in 1998 when many other companies entered the market. Additional patents extended the original work, including John G. Bachman's 2001 "US Patent #6677764: System for protecting electronic test equipment from charged capacitors ...
Analog multimeter Digital multimeter. A multimeter (also known as a volt-ohm-milliammeter, volt-ohmmeter or VOM) [1] is a measuring instrument that can measure multiple electrical properties. [2] [3] A typical multimeter can measure voltage, resistance, and current, [4] in which case can be used as a voltmeter, ohmmeter, and ammeter.
IEC 60689 Measurement and test methods for tuning fork quartz crystal units in the range from 10 kHz to 200 kHz and standard values IEC 60691 Thermal-links – Requirements and application guide IEC 60692 Nuclear instrumentation – Density gauges utilizing ionizing radiation – Definitions and test methods
A common form of in-circuit testing uses a bed-of-nails tester.This is a fixture that uses an array of spring-loaded pins known as "pogo pins". When a printed circuit board is aligned with and pressed down onto the bed-of-nails tester, the pins make electrical contact with locations on the circuit board, allowing them to be used as test points for in-circuit testing.