Agricultural Instrument Uses

Instruments	Uses
Altimeter	Height
Aneroid barometer	Atmospheric pressure
Anemometer	Wind speed
Beaufort scale	Wind force in sea
Crescograph	Growth of plant
Cambel stokes	Duration of sun shine
Dynamometer	Convert mechanical energy to electrical
ECG	Movement of heart
Glavanometer	Electric current
Hydrometer	Measures relative density of liquids
Hygrometer / Psychrometer	Relative humidity
Lactometer	Density of milk / Milk purity
Lysimeter	Evapo-transpiration / Leaching
Manometer	Root pressure
Porometer	Stomal behavior
Planimeter	Area of an irregular figure
Pyrheliometer	Measures amount of direct solar radiation
Pyranometer	Measures total incoming solar radiation
Pycnometer	Specific gravity of soil
Peizometer	Depth of water table
Potometer	Transpiration
Tensiometers	Soil moisture tension
Wind wane	Wind direction