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Encyclopedia > Electronic test equipment

Back to Electronics The field of electronics comprises the study and use of systems that operate by controlling the flow of electrons (or other charge carriers) in devices such as thermionic valves and semiconductors. ...

A Tektronix model 475A portable analogue oscilloscope
A Tektronix model 475A portable analogue oscilloscope

Electronic test equipment (sometimes called 'testgear') is used to create stimulus signals and capture responses from electronic Devices Under Test (DUTs). In this way, the proper operation of the DUT can be proven or faults in the device can be traced and repaired. Use of electronic test equipment is essential to any serious work on electronics systems. Image File history File links Oscilloscope2. ... Image File history File links Oscilloscope2. ... Tektronix is a United States corporation that is currently a major presence in the test, measurement, and measuring industry. ... The field of electronics comprises the study and use of systems that operate by controlling the flow of electrons (or other charge carriers) in devices such as thermionic valves and semiconductors. ...


Practical electronics engineering and assembly requires the use of many different kinds of electronic test equipment ranging from the very simple and inexpensive (such as a test light consisting of just a light bulb and a test lead) to extremely complex and sophisticated such as Automatic Test Equipment. The field of electronics comprises the study and use of systems that operate by controlling the flow of electrons (or other charge carriers) in devices such as thermionic valves and semiconductors. ... A test light is a very simple piece of electronic test equipment used to determine the presence or absence of an electric voltage with a piece of equipment under test. ... Automatic test equipment is any automated device that is used to test printed circuit boards, integrated circuits, or any other related electronic components or modules. ...


Generally, more advanced test gear is necessary when developing circuits and systems than is needed when doing production testing or when troubleshooting existing production units in the field. Troubleshooting is a form of problem solving. ...

Contents


Types of test equipment

Basic equipment

Commercial digital voltmeter checking a prototype
Commercial digital voltmeter checking a prototype

The following items are used for basic measurement of voltages, currents, and components in the circuit under test. ImageMetadata File history File links Download high resolution version (600x800, 85 KB) Raviteja---Two digital voltmeters. ... ImageMetadata File history File links Download high resolution version (600x800, 85 KB) Raviteja---Two digital voltmeters. ...

The following are used for stimulus of the circuit under test: Two digital voltmeters. ... now. ... An Ohmmeter is an electrical measuring instrument that measures electrical resistance, the opposition to the flow of an electric current. ... Electrical resistance is a measure of the degree to which an electrical component opposes the passage of current. ... Wire carrying current to be measured Spring providing restoring force An ammeter is a measuring instrument used to measure the flow of electric current in a circuit. ... It has been suggested that Tangent galvanometer be merged into this article or section. ... In electricity, current refers to electric current, which is the flow of electric charge. ... howard piA digital multimeter A low cost digital multimeter An analog multimeter A multimeter is an electronic measuring instrument that combines several functions in one unit. ...

 Howard piA digital multimeter
Howard piA digital multimeter

The following are used to analyze the response of the circuit under test: A wall wart style variable DC power supply with its cover removed. ... A signal generator, also known variously as a test signal generator, tone generator (in audio only), waveform generator, or frequency generator is an electronic instrument that generates repeating electronic signals (in either the analog or digital domains). ... Pulse generators can either be internal circuits or pieces of electronic test equipment used to generate pulses (electronic impulses). ... Image File history File links Download high resolution version (672x800, 193 KB) Multimeter This image shows a digital multimeter. ... Image File history File links Download high resolution version (672x800, 193 KB) Multimeter This image shows a digital multimeter. ...

And connecting it all together: A Tektronix model 475A portable analogue oscilloscope, a very typical instrument of the late 1970s. ... A frequency counter is an electronic instrument, or component of one, that is used for measuring frequency. ... Sine waves of various frequencies; the lower waves have higher frequencies than those above. ...

A test probe (test lead, test prod) is a physical device used to connect electronic test equipment to the device under test (DUT). ...

Advanced or less commonly used equipment

Meters

A solenoid voltmeter is a specific type of voltmeter used by electricians in the testing and debug of electrical power circuits. ... A solenoid voltmeter is a specific type of voltmeter used by electricians in the testing and debug of electrical power circuits. ... A clamp meter (clamp-on ammeter) is a type of ammeter which measures electrical current without the need to disconnect the wiring through which the current is flowing. ... A Wheatstone bridge is a measuring instrument invented by Samuel Hunter Christie in 1833 and improved and popularized by Sir Charles Wheatstone in 1843. ... Electrical resistance is a measure of the degree to which an electrical component opposes the passage of current. ... A capacitance meter is a piece of electronic test equipment used to measure capacitors. ... // Definition Capacitance is a measure of the amount of electric charge stored (or separated) for a given electric potential. ... EMF meter, or Electromagnetic field meter, is a common name given to a scientific instrument for measuring Electromagnetic radiation. ... An electrometer is an electrical instrument for measuring electric charge or electrical potential difference. ... Electric charge is a fundamental conserved property of some subatomic particles, which determines their electromagnetic interactions. ...

Probes

A multimeter with a built in clampfacilityPushing the large button at the bottom opens the lower jaw of the clamp, allowing the clamp to be placed around a conductor (wire).
A multimeter with a built in clampfacility
Pushing the large button at the bottom opens the lower jaw of the clamp, allowing the clamp to be placed around a conductor (wire).

AC clamp meter This is an original photograph by Andrew Alder, taken on 11 November 2003. ... AC clamp meter This is an original photograph by Andrew Alder, taken on 11 November 2003. ... An RF probe is a simple test circuit to detect radio frequency oscillation in a circuit. ... A signal tracer is a piece of electronic test equipment used to troubleshoot radio and other electronic circuitry. ...

Analysers

A HP 1615A Logic Analyzer showing a timing diagram. ... Digital circuits are electric circuits based on a number of discrete voltage levels. ... A spectrum analyzer is a device used to examine the spectral composition of some electrical, acoustic, or optical waveform. ... The vector signal analyzer (VSA) is a tool that is replacing the spectrum analyzer (SA) as the tool of choice for RF designers working on these systems. ... In telecommunication, a time-domain reflectometer (TDR) is an electronic instrument used to characterize and locate faults in metallic cables ( twisted pair, coax). ... A Tektronix model 475A portable analogue oscilloscope, a very typical instrument of the late 1970s. ... Waveform quite literally means the shape and form of a signal, such as a wave moving across the surface of water, or the vibration of a plucked string. ...

Signal-generating devices

Leader Instruments LSG-15 signal generator
Enlarge
Leader Instruments LSG-15 signal generator

Image File history File links Download high resolution version (846x552, 115 KB)A Leader Instruments LSG-15 signal generator. ... Image File history File links Download high resolution version (846x552, 115 KB)A Leader Instruments LSG-15 signal generator. ... A signal generator, also known variously as a test signal generator, tone generator (in audio only), waveform generator, or frequency generator is an electronic instrument that generates repeating electronic signals (in either the analog or digital domains). ... A frequency synthesizer is an electronic system for generating any of a range of frequencies from a single fixed timebase or oscillator. ... It has been suggested that this article or section be merged with signal generator. ... Pulse generators can either be internal circuits or pieces of electronic test equipment used to generate pulses (electronic impulses). ...

Miscellaneous devices

A Continuity tester, is an item of electrical test equipment used to determine if an electrical path can be established between two points ; that is if an electrical circuit can be made. ... A Cable Tester is an electronic device used to verify the electrical connections in a cable or other wired assembly. ... A Hipot tester is an electronic device used to verify the electrical insulation in a cable, printed circuit board, electric motor, transformer or other wired assembly. ... Network analyzer may mean: A packet sniffer, used on a computer data network A category of electronic test equipment used with electrical networks. ... Network cards such as this one can transmit data at high rates over ethernet cables. ... A test light is a very simple piece of electronic test equipment used to determine the presence or absence of an electric voltage with a piece of equipment under test. ...

Manufacturers

Agilent Technologies NYSE: A is the actual descendant of the instrument company founded by Bill Hewlett and Dave Packard in 1939. ... Anritsu is a Japanese corporation that is a major presence in the test and measurement market. ... Applied Instruments, Inc. ... Boonton Electronics is an American manufacturer of electronic test equipment. ... Extech Instruments is a full-line supplier of handheld electronic measuring equipment, other handheld measuring instruments, and portable printers. ... Fluke Corporation is a world-wide industrial company that mostly focuses on industrial testing equipment including electronic test equipment. ... Koninklijke Philips Electronics N.V. (Royal Philips Electronics N.V.), usually known as Philips, (Euronext: PHIA, NYSE: PHG) is one of the largest electronics companies in the world. ... Rohde & Schwarz (IPA: in German; anglicized pronunciation ) is an independent group of companies specializing in electronics. ... Tektronix is a United States corporation that is currently a major presence in the test, measurement, and measuring industry. ...

External links


  Results from FactBites:
 
Electronic test equipment - Wikipedia, the free encyclopedia (266 words)
Electronic test equipment (sometimes called 'testgear') is used to create stimulus signals and capture responses from electronic Devices Under Test (DUTs).
Use of electronic test equipment is essential to any serious work on electronics sytems.
Practical electronics engineering and assembly requires the use of many different kinds of electronic test equipment ranging from the very simple and inexpensive (such as a test light consisting of just a light bulb and a test lead) to extremely complex and sophisticated such as Automatic Test Equipment.
Use of Electronic Test Equipment, Introduction (1479 words)
The purpose of this brochure is to give the marine technician a general overview or the types of test equipment and their use.
The test procedures at the end of this brochure are intended to give the technician a better understanding of the most common failures and allow testing with minimal equipment.
Electronic fuel injection testers are available for use with the specific type of EFI system it was designed for.
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