| Instrument |
Use |
| Accelerometer |
Measures acceleration |
| Altimeter |
Measures altitude (height) |
| Ammeter |
Measures electric charges |
| Anemometer |
Measures wind speed |
| Barometer |
Measures atmospheric pressure |
| Bolometer |
Measures electromagnetic radiation |
| Calipers |
Measures the distance between two opposite sides of an object |
| Calorimeter |
Measures the heat of chemical reactions or physical changes as well as heat capacity |
| Cardiograph |
Measures heart rate |
| Cryometer |
Measures freezing temperature |
| Dynamometer |
Measures the power output of an engine |
| Electrometer |
Measures electric charges |
| Galvanometer |
Measures electric current |
| Hydrometer |
Measures density of liquids |
| Hygrometer |
Measures moisture content (Humidity) in the atmosphere |
| Hypsometer |
Measures height (altitude) |
| Lactometer |
Measures milk purity |
| Magnetometer |
Measures magnetic property of a substance |
| Nephelometer |
Measures suspended particulates in a liquid or gas colloid |
| Ohmmeter |
Measures resistance in different applications of electrical testing |
| Ondometer |
Measures the frequency of electromagnetic waves |
| Photometer |
Measures the intensity of light |
| Pyknometer |
Measures density of substance |
| Pyrometer |
Measures high temperature |
| Radar |
Determines the range, angle, or velocity of objects |
| Refractometer |
Measures refractive index |
| Sextant |
Measures the angle between any two visible objects |
| Sphygmomanometer |
Measures blood pressure |
| Stethoscope |
Used to listen heart beats |
| Telemeter |
Measures distances to remote objects |
| Thermometer |
Measures temperature |
| Tonometer |
Measure the internal pressure of the eye |
| Venturimeter |
Measures the rate of a flow of a fluid flowing through a pipe |
| Voltmeter |
Measures electrical potential difference between two points in an electric circuit |
