| Anemometer |
Speed of Wind |
| Actinometer |
Heating power of radiation, solar radiation |
| Ammeter |
Electric current in a circuit |
| Audiometer |
Hearing loss |
| Bolometer |
Power of incident electromagnetic radiation |
| Barometer |
Atmospheric pressure |
| Cathetometer |
Vertical distances |
| Densimeter |
Specific gravity of liquids |
| Dynamometer |
Force or torque |
| Densitometer |
Optical density of a photographic film |
| Electroencephalograph |
Electrical activity of the brain |
| Electrocardiograph |
Electrical activity of the heart |
| Elaeometer |
Specific gravity of oils |
| Galvanometer |
Electricity |
| Hydrometer |
Specific gravity of liquids |
| Hygrometer |
Density of water in air |
| Lactometer |
Specific gravity of milk |
| Lysimeter |
Balance of water in soil |
| Magnetometer |
Strength of magnetic fields |
| Manometer |
Pressure |
| Plastometer |
Flow properties of plastic materials |
| Polarimetry |
Polarization of transverse waves, electromagnetic waves |
| Spirometer |
Volume of air |
| Spectrometer |
Properties of light in a specific portion of electromagnetic spectrum |
| Seismometers |
Movement of Earth Surface |
| Sphygmomanometer |
Blood pressure |
| Thermometer |
Temperature |
| Tensiometer |
Surface tension of liquids |
| Viscometer |
Viscosity of a fluid |
| Voltmeter |
Electric potential, voltage |
