Important Scientific Measuring Devices

S No	Device	Quantity Measured
1	Accelerometer	Acceleration
2	Actinometer	Heating Power Of Sunlight
3	Alcoholometer	Alcoholic Strength Of Liquids
4	Altimeter	Altitude
5	Ammeter	Electric Current, Amperage
6	Anemometer	Windspeed
7	Atmometer	Rate Of Evaporation
8	Audiometer	Hearing
9	Barkometer	Tanning Liquors Used In Tanning Leather
10	Barometer	Air Pressure
11	Bevameter	Mechanical Properties Of Soil
12	Bolometer	Electromagnetic Radiation
13	Calorimeter	Heat Of Chemical Reactions
14	Cathetometer	Vertical Distances
15	Ceilometer	Height Of A Cloud Base
16	Chronometer	Time
17	Clap-O-Meter	Volume Of Applause
18	Colorimeter	Colour
19	Creepmeter	Slow Surface Displacement Of An Active Geologic Fault In The Earth
20	Declinometer	Magnetic Declination
21	Densimeter	Specific Gravity Of Liquids
22	Densitometer	Degree Of Darkness In Photographic Or Semitransparent Material
23	Diffractometer	Structure Of Crystals
24	Dilatometer	Volume Changes Caused By A Physical Or Chemical Process
25	Disdrometer	Size, Speed, And Velocity Of Raindrops
26	Dosimeter	Exposure To Hazards, Especially Radiation
27	Durometer	Hardness
28	Dynameter	Magnification Of A Telescope
29	Dynamometer	Force Or Torque
30	Elaeometer	Specific Gravity Of Oils
31	Electrometer	Electric Charge
32	Eudiometer	Change In Volume Of A Gas Mixture Following Combustion
33	Evaporimeter	Rate Of Evaporation
34	Galvanometer	Electricity
35	Gas Pycnometer	Volume And Density Of Solids
36	Graphometer	Angles
37	Heliometer	Variation Of The Sun'S Diameter
38	Hydrometer	Specific Gravity Of Liquids
39	Hygrometer	Humidity
40	Inkometer	Ink
41	Interferometer	Wave Interference
42	Katharometer	Composition Of Gases
43	Lactometer	Specific Gravity Of Milk
44	Light Meter	Light (In Photography)
45	Magnetometer	Strength Of Magnetic Fields
46	Manometer	Pressure
47	Mass Spectrometer	Masses Of Ions, Used To Identify Chemical Substances Through Their Mass Spectra
48	Multimeter	Electrical Potential, Resistance, And Current
49	Nephelometer	Particle In A Liquid
50	Odometer	Distance
51	Ohmmeter	Electrical Resistance
52	Osmometer	Osmotic Strength Of A Solution, Colloid, Or Compound
53	Pedometer	Steps
54	Ph Meter	Ph (Chemical Acidity/Basicity Of A Solution)
55	Photometer	Illuminance Or Irradiance
56	Polarimeter	Rotation Of Polarized Light
57	Potentiometer	Voltage (Term Is Also Used To Refer To A Variable Resistor)
58	Psychrometer	ATMOSPHERIC Humidity
59	Pycnometer	Fluid Density
60	Pyranometer	Solar Radiation
61	Pyrometer	High Temperatures
62	Rheometer	Response To Applied Forces
63	Saccharometer	Amount Of Sugar In A Solution
64	Seismometer	Seismic Waves (For Example, Earthquakes)
65	Sextant	Location On Earth'S Surface (Used In Naval Navigation)
66	Spectrometer	Properties Of Light
67	Spectrophotometer	Intensity Of Light As A Function Of Wavelength
68	Speedometer	Speed, Velocity
69	Sphygmomanometer	Blood Pressure
70	Strainmeter	Seismic Strain
71	Stadimeter	Object Range
72	Tacheometer	Distance
73	Tachometer	Revolutions Per Minute, Rate Of Blood Flow
74	Taximeter	Distance Travelled, Displacement
75	Tensiometer	Surface Tension Of A Liquid
76	Thermometer	Temperature
77	Universal Measuring Machine	Geometric Locations
78	Viscometer	Viscosity Of A Fluid
79	Voltmeter	Electric Potential, Voltage
80	Wattmeter	Electrical Power
81	Zymometer	Fermentation