Measuring Instrument

In Physics and Engineering , Measurement is the activity of comparing Physical Quantities of real-world Objects and Events . Established standard objects and events are used as Units , and the measurement results in a given number for the relationship between the item under study and the referenced unit of measurement. Measuring instruments are the means by which this translation is made. All measuring instruments are subject to varying degrees of Instrument Error .

Physicist s use a vast range of instruments to perform their measurements. These range from simple objects such as rulers and Stopwatch es to Electron Microscope s and Particle Accelerator s. Virtual Instrumentation is widely used in the development of modern measuring instruments.

Length (i.e., distance)

--- Altimeter (measures height)

--- Architect's Scale

--- Caliper

--- Engineer's Scale

--- Gauge Blocks

--- Interferometer

--- Micrometer

---Pi tape

--- Odometer

--- Opisometer

--- Ruler

--- Tape Measure

--- Laser Rangefinder

--- Ultrasound Distance Measure

--- GPS

--- Electronic Distance Meter

Area

--- Planimeter

Angle

--- Cross Staff

--- Octant

--- Protractor

--- Sextant

--- Theodolite

Temperature

--- Thermometer

--- Thermocouple s

--- Thermistor s

--- Pyrometer s

--- Electromagnetic Spectroscopy

Humidity

--- Hygrometer

Pressure

--- Barometer

--- Manometer

--- Pitot Tube (used to determine Speed )

--- Anemometer (used to determine wind Speed )

--- Tire-pressure Gauge

--- Sphygmomanometer (used to determine Blood Pressure )

Flow

Level

--- Spirit Level

--- Laser Line Level

--- Dumpy Level

--- Tiltmeter

Radiation

--- Geiger Counter

--- Nichols Radiometer

Sound

--- Sound Level Meter

Light

--- Photometer

--- Spectrometer

Speed

--- Speedometer

--- Tachometer (speed of rotation)

--- Airspeed Indicator

Torque

--- De Prony Brake

Electronic Test Equipment measuring electrical properties

--- Electrometer (measures charge)

--- Ammeter (measures electrical current)

--- Galvanometer (measures current)

--- Ohmmeter (measures resistance)

--- Voltmeter (measures voltage)

--- Wheatstone Bridge

--- Multimeter (measures all of the above)

--- Oscilloscope

--- Watt Meter (measures power)

--- Electric Energy Meter (measures energy)

Hardness

--- Durometer

Density

--- Aerometer

--- Pycnometer

''Uncategorized''

--- Colorimeter (measures Absorbance , and thus Concentration )

--- Radiometry

--- Sicroscope

--- Spectroscope is an important Tool used by physicists.

Note that the alternate spelling " -metre " is never used when referring to a measuring device.

SEE ALSO

Timeline Of Temperature And Pressure Measurement Technology

lists specialized measuring instruments

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Measuring Instrument