voltmeter
Electrical pressure reader
A voltmeter is an instrument that measures electrical potential difference between two points in a circuit, displayed in volts.
Voltmeters are connected in parallel with the component being measured, unlike ammeters which measure current flow.
Digital multimeters have largely replaced standalone voltmeters for most applications.
Thorough examination or tool
- test leadsDiagnostic electrical connectors
- displayPresentation for viewing
- dialGraduated circular indicator
- needlePointed implement for sewing
terminals · selector · jacks · fuse · battery · LCD · backlight · housing
Electrical units, very small
- kilovoltsThousands of volts
- amplitudeMaximum oscillation displacement
- readingInterpreting written text
- readoutDisplayed recorded data
units · range · scale · accuracy · resolution · sensitivity · polarity · potential difference
Electrical flow gauge
- ohmmeterInstrument measuring electrical resistance
- wattmeterInstrument measuring electrical power
- oscilloscopeVoltage waveform display device
- multimeterCombined electrical measuring device
Adjusting for measurement accuracy
- zeroingCalibrating to baseline
- rangingExtending between limits
- holdMaintain in grasp
- peakUtmost height attained
relative · continuity · testing · troubleshooting · diagnosis · verification · measurement error · parallax
Of discrete data
- analogComparable equivalent
- multimeterCombined electrical measuring device
- electrometerMeasures electrical potential difference
- benchtopFlat work surface
handheld · portable · differential · logging
probe
Thorough examination or tool
- test leadsDiagnostic electrical connectors
- displayPresentation for viewing
- dialGraduated circular indicator
needle · terminals · selector · jacks · fuse · battery · LCD · backlight · housing
millivolts
Electrical units, very small
- kilovoltsThousands of volts
- amplitudeMaximum oscillation displacement
- readingInterpreting written text
readout · units · range · scale · accuracy · resolution · sensitivity · polarity · potential difference · EMF
ammeter
Electrical flow gauge
- ohmmeterInstrument measuring electrical resistance
- wattmeterInstrument measuring electrical power
- oscilloscopeVoltage waveform display device
calibration
Adjusting for measurement accuracy
peak · relative · continuity · testing · troubleshooting · diagnosis · verification · measurement error · parallax
digital
Of discrete data
- analogComparable equivalent
- multimeterCombined electrical measuring device
- electrometerMeasures electrical potential difference
benchtop · handheld · portable · differential · logging
- Electricalwiring, outlets, circuits, fuses, breakers
- electricityelectricity, battery, batteries, wire, wires
- analog technologyanalog clocks, analog clock, analog computers, film cameras, turntable
- gaugesgauge, pressure gauge, fuel gauge, temperature gauge, depth gauge
- gauges and meterspressure gauge, fuel gauge, altimeter, tachometer, ammeter
- measuring devicesscale, yardstick, ruler, tape measure, measuring tape