wattmeter
Electrical power gauge
A wattmeter is an instrument that measures electrical power in watts.
It displays how much energy a device or circuit consumes, useful for monitoring electricity usage or testing equipment: The wattmeter showed the appliance drawing 1,200 watts.
Energy transfer rate
- kilowattsThousand-watt units
- megawattsMillion-watt units
- readoutDisplayed recorded data
- displayPresentation for viewing
accuracy · precision · consumption · usage · demand · load · efficiency · monitoring
Directed flow of charge
- voltageElectrical potential difference
- resistanceCapacity to withstand force
- circuitClosed electrical pathway
- amperageElectrical flow quantity
impedance · reactance · conductor · ohm · electromagnetism · AC · DC · single-phase
Energy form converter
Degree of correctness
- precisionAccuracy of measurement
- adjustmentAlteration to improve fit
- standardsAccepted levels of quality
- verificationProving something accurate
validation · certification · metrology · traceability · zeroing · reference standard · tolerance · drift
Voltage waveform display device
- dynamometerForce and power measurer
- galvanometerMeasures electrical flow strength
power
Energy transfer rate
display · accuracy · precision · consumption · usage · demand · load · efficiency · monitoring · energy
current
Directed flow of charge
- voltageElectrical potential difference
- resistanceCapacity to withstand force
- circuitClosed electrical pathway
amperage · impedance · reactance · conductor · ohm · electromagnetism · AC · DC · single-phase · three-phase
transducer
Energy form converter
scale · pointer · digital display · multiplier · damping
accuracy
Degree of correctness
- precisionAccuracy of measurement
- adjustmentAlteration to improve fit
- standardsAccepted levels of quality
verification · validation · certification · metrology · traceability · zeroing · reference standard · tolerance · drift · linearity
oscilloscope
Voltage waveform display device
- dynamometerForce and power measurer
- galvanometerMeasures electrical flow strength
- gaugesgauge, pressure gauge, fuel gauge, temperature gauge, depth gauge
- gauges and metersspeedometer, pressure gauge, fuel gauge, altimeter, tachometer
- measuring instrumentsruler, tape measure, measuring tape, caliper, calipers
- metersspeedometer, odometer, pedometer, altimeter, tachometer
- electrical powerthree-phase, polyphase, AC, alternating current, power transmission
- radio equipmenttransceiver, transmitter, power supply, mobile radio, base station