Instruments and their usage
Instrument - Uses
Altimeter - Height
Aneroid barometer - Atmospheric pressure
Anemometer - Wind speed
Crescograph - Growth of plant
Dynamometer - Convert mechanical energy to electrical
Cambel stokes - Duration of sun shine
ECG - Movement of heart
Wind wane - Wind direction
Tensiometers - Soil moisture tension
Galvanometer - Electric currents
Porometer - Stomal behavior
Hydrometer - Measures relative density of liquids
Hygrometer/Psychrometer - Relative humidity
Lactometer - Density of milk, milk purity
Lysimeter - Evapotranspiration/leaching
Manometer - Root pressure
Planimeter -Area of an irregular figure
Pyrheliometer - Amount of direct solar radiation
Pyranometer - Total incoming solar radiation
Pycnometer - Specific gravity of soil _
Peizometer - Depth of water table
Potometer - Transpiration
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