Measuring instrument

In physicsengineering, measurement isactivitycomparing physical quantitiesreal-world objectsevents. Established standard objectseventsused as units, andmeasurement results ingiven number forrelationship betweenitem under study andreferenced unitmeasurement. Measuring instruments aremeans by which this translationmade.

Physicists usevast rangeinstrumentsperform their measurements. These range from simple objects such as rulersstopwatcheselectron microscopesparticle accelerators.

Mass

• balance
• weighing scales
• mass spectrometer
• katharometer
• colorimeter

HistoryWeightsMeasures

Time

• calendar
• chronometer
• clock
• atomic clock
• radiometric dating

Timelinetime measurement technology

Length

• micrometer
• ruler
• interferometer

Angles

• sextant

Temperature

• thermometer
• thermocouples
• thermistors
• pyrometers
• electromagnetic spectroscopy

Pressure

• Barometer
• Manometer
• Pitot tube (useddetermine speed)
• anemometer (useddetermine wind speed)

Flow

pH

Level

Timelinetemperaturepressure measurement technology

Electrical Properties

• electrometer (Measures charge)
• Ammeter (Measures electrical current)
• Galvanometer (Measures current)
• Ohmeter (Measures resistance)
• Voltmeter (Measures voltage)
• Wheatstone bridge
• multimeter (Measures all ofabove)
• Oscilloscope

uncategorized

• Spectroscopyan important tool used by physicists.
• Microscope
• Spectrometer
• geiger counter
• Nichols radiometer
• radiometry