Scientific Instruments - Information about Scientific Instruments
Name of InstrumentUse of Instrument
AltimeterMeasures altitude (uses in aircraft)
AmmeterMeasures strength of electric current
AnemometerMeasures force and velocity of wind and determines its direction
AudiometerMeasures intensity of sound
BarometerMeasures atmospheric pressure
BalometerMeasures heat radiation
CallipersMeasures inner and outer diameter of solids
CalorimeterMeasures quantities of heat
Cardiogram (ECG)Traces movements of the heat, recorded on a cardiograph
ChronometerDetermines longitude of a vessel at sea
CryometerMeasures very low temperatures, usally below 0oC
DynamoConvert Mechanical energy into electric energy
DynamometerMeasures electric power
Electroencephalograph
(EEC)
Record and interprets the electrical waves of the brain recorded on electroencephalograph
ElectrometerMeasures very small, potential difference in electric current
ElectroscopeDetects presence of an electric current
EdoscopeExamines internal organs of the body
FathometerMeasures depth of the ocean
FluxmeterMeasures magnetic flux
GalvanometerMeasures the eletric current
HydrometerMeasures the relative density of liquids
HygrometerMeasures level of humidity
HydrophoneMeasures sound under water
KymographGraphically record physiological movements (e.g., blood pressure/heartbeat)
LactometerMeasures the relative density of milk to determine purity (fat content)
ManometerMeasures the pressure of gases
MicrophoneConverts sound waves into electrical signals
MicroscopeTo obtain a magnified of light by particles suspended in a liquid
OhmmeterMeasures electrical resistance in ohms
OndometerMeasures the frequency of electromagnetic waves
PeriscopeTo view objects above sea level (used in submarines)
PolygraphInstrument that simultaneously records changes in physiological processes such as heartbeat, blood pressure and respiration used as a lie detector
PyknometerDetermines the density and coefficient of expansion of liquids
PyrheliometerMeasures components of solar radiation
PyrometerMeasures very high temperature
QuadrantMeasures altitude and angles in navigation and astronomy
RaderDetects the direction and range of an approaching aeroplane by means of an radiowaves (Radio, Angle, Detection and Range)
RefractometerMeasures refractive indices
Resistance ThermometerAn accurate type of thermometer in which temperature is meansured by determining the electrical resistance of a coil of thin wire
SalinometerDetermines salinity of solutions
SextantUsed by navigators to find the latitude of a place by measuring the elevation above the horizon of the sun or another star-alsomeasures the height of distant objects
SphygmomanometerMeasures Blood pressure
StereoscopeUsed to veiw two - dimensional pictures
StethoscopeUsed by doctors to hear and analyze heat and jung sounds
StroboscopeUsed to view rapidly moving objects
TachometerDetermines speed, especially the rotational speed of a shaft (used in motor vehicles, aeroplanes and motor-boats)
TacheometerUsed to measure distance, elevations and bearings during survey
TelescopeUsed to view distant objects in space
TheodoliteMeasures horizontal and vertical angles
TonometerMeasures the pitch of sound
TransponderUsed to receive a signal and transmit a reply immediately
UdometerRain gauge
Venturi meterMeasures rate of flow of liquids
ViscometerMeasures the viscosity of liquids
VoltmeterUsed to measure potential difference between two points
WattmeterMeasures the power of an electric circuit
WavemeterMeasures the wavelength of a radiowave
