| Accelerometer |
Acceleration |
m/s² |
Scientific
|
Measures proper acceleration. |
| Actinometer |
Solar Radiation |
W/m² |
Scientific
|
Measures heating power of radiation. |
| Alcoholmeter |
Alcoholic Strength |
% ABV |
Everyday
|
Measures alcohol content in liquids. |
| Altimeter |
Altitude |
m/ft |
Industrial
|
Measures altitude above a fixed level. |
| Ammeter |
Electric Current |
Amperes |
Scientific
|
Measures electrical current. |
| Anemometer |
Wind Speed |
m/s |
Scientific
|
Measures wind speed. |
| Anemometer (Cup) |
Wind Speed |
m/s |
Scientific
|
Traditional mechanical measurement of wind velocity. |
| Anemometer (Ultrasonic) |
Wind Vector |
m/s |
Scientific
|
Measures 3D wind speed and direction. |
| Atomic Force Microscope |
Surface Topography |
nanometers |
Scientific
|
Measures surface features at the atomic level. |
| Audiometer |
Hearing |
dB |
Medical
|
Measures hearing sensitivity. |
| Barkometer |
Tanning Liquors |
Degrees |
Industrial
|
Measures tanning liquor strength. |
| Barometer |
Air Pressure |
hPa/bar |
Scientific
|
Measures atmospheric pressure. |
| Bettsometer |
Fabric Integrity |
N |
Industrial
|
Measures integrity of aircraft fabric. |
| Bevameter |
Soil Properties |
kPa |
Industrial
|
Measures mechanical properties of soil. |
| Bolometer |
EM Radiation |
Watts |
Scientific
|
Measures electromagnetic radiation power. |
| Borehole Inclinometer |
Inclination |
Degrees |
Industrial
|
Measures borehole deviation. |
| Breathalyzer |
Blood Alcohol |
BAC |
Medical
|
Measures alcohol content via breath. |
| Caliper |
Distance/Width |
mm/in |
Industrial
|
Measures precise dimensions. |
| Calorimeter |
Heat Energy |
Joules |
Scientific
|
Measures heat of chemical reactions. |
| Calorimeter (Bomb) |
Calorific Value |
J/g |
Scientific
|
Measures heat of combustion. |
| Calorimeter (Differential Scanning) |
Thermal Transitions |
mW |
Scientific
|
Measures heat flow associated with phase changes in materials. |
| Capacitance Meter |
Capacitance |
Farads |
Scientific
|
Measures electrical capacitance. |
| Capacitive Level Sensor |
Liquid/Solid Level |
pF |
Industrial
|
Measures the level of materials based on changes in capacitance. |
| Capacitive Proximity Sensor |
Presence |
Boolean |
Industrial
|
Detects presence of objects without contact. |
| Cathetometer |
Vertical Distance |
mm |
Scientific
|
Measures vertical distances precisely. |
| Ceilometer |
Cloud Base Height |
m |
Scientific
|
Measures the height of cloud bases. |
| Chronometer |
Time |
s |
Everyday
|
Measures precise time. |
| Clap-o-meter |
Applause Volume |
dB |
Everyday
|
Measures the volume of applause. |
| Clinometer |
Slope Angle |
Degrees |
Industrial
|
Measures angles of slope or elevation. |
| Colorimeter |
Color Absorption |
Abs |
Scientific
|
Measures color absorbance in solutions. |
| Colorimeter (Tristimulus) |
Color Space |
L*a*b* |
Industrial
|
Measures color coordinates in industrial design. |
| Conductivity Meter |
Electrical Conductivity |
S/m |
Scientific
|
Measures ability to conduct electricity. |
| Conductivity Meter (Benchtop) |
Conductivity |
?S/cm |
Scientific
|
High accuracy liquid conductivity measurement. |
| Coriolis Flow Meter |
Mass Flow Rate |
kg/s |
Industrial
|
Directly measures mass flow using the Coriolis effect. |
| Coriolis Mass Flow Meter |
Mass Flow |
kg/h |
Industrial
|
Measures mass flow regardless of fluid properties. |
| Creepmeter |
Fault Displacement |
mm |
Scientific
|
Measures slow movement of geologic faults. |
| Declinometer |
Magnetic Declination |
Degrees |
Scientific
|
Measures magnetic declination. |
| Dendrometer |
Tree Growth |
mm |
Scientific
|
Measures changes in tree diameter over time. |
| Densimeter |
Specific Gravity |
g/cm³ |
Industrial
|
Measures liquid density. |
| Densitometer |
Photographic Density |
OD |
Scientific
|
Measures darkness of photographic material. |
| Dew Point Meter |
Humidity/Condensation |
°C |
Industrial
|
Measures the temperature at which air becomes saturated with water vapor. |
| Diffractometer |
Crystal Structure |
Degrees |
Scientific
|
Measures the structure of crystals. |
| Dilatometer |
Volume Change |
mm³ |
Scientific
|
Measures volume change due to physical/chemical processes. |
| Disdrometer |
Raindrop properties |
mm/s |
Scientific
|
Measures size, speed, and velocity of raindrops. |
| Dissolved CO2 Meter |
Carbon Dioxide Concentration |
mg/L |
Scientific
|
Measures CO2 levels in liquids for environmental monitoring. |
| Dissolved Oxygen Meter |
Oxygen Concentration |
mg/L |
Scientific
|
Measures dissolved oxygen in water. |
| Dosimeter |
Radiation Exposure |
Sieverts |
Medical
|
Measures cumulative radiation dose. |
| Dumpy Level |
Horizontal Levels |
Degrees |
Industrial
|
Measures horizontal levels in construction. |
| Dynamometer |
Force/Power |
Newtons/Watts |
Industrial
|
Measures power or force of engines. |
| Ebulliometer |
Boiling Point |
°C |
Scientific
|
Measures boiling point to determine concentration. |
| Eddy Current Tester |
Conductivity/Cracks |
MS/m |
Industrial
|
Detects surface defects in conductive metals via electromagnetic induction. |
| Elaeometer |
Oil Density |
g/cm³ |
Industrial
|
Measures specific gravity of oils. |
| Electrocardiograph |
Heart Electrical Activity |
mV |
Medical
|
Records the heart's electrical rhythm. |
| Electrometer |
Electric Charge |
Coulombs |
Scientific
|
Measures electrical charge. |
| Electromyograph |
Muscle Activity |
mV |
Medical
|
Measures electrical activity in muscles. |
| Electronic Tuner |
Pitch |
Hz |
Everyday
|
Measures pitch of musical notes. |
| Ellipsometer |
Thin Film Thickness |
nm |
Scientific
|
Measures thickness of thin films via polarization. |
| Eudiometer |
Gas Volume |
ml |
Scientific
|
Measures changes in gas volume post-combustion. |
| Evaporimeter |
Evaporation Rate |
mm/day |
Scientific
|
Measures the rate of water evaporation. |
| Extensometer |
Deformation |
mm |
Industrial
|
Measures changes in length of an object under stress. |
| Fathometer |
Depth |
fathoms/m |
Industrial
|
Measures ocean depth. |
| Flowmeter (Magnetic) |
Fluid Flow |
m³/h |
Industrial
|
Measures flow of conductive liquids. |
| Fluxgate Magnetometer |
Magnetic Field |
Tesla |
Scientific
|
Measures low-frequency magnetic fields. |
| Framing Square |
Angles |
Degrees |
Industrial
|
Measures right angles in construction. |
| Fuel Gauge |
Fuel Level |
% |
Industrial
|
Measures remaining fuel. |
| Galvanometer |
Electric Current |
Amperes |
Scientific
|
Detects small electrical currents. |
| Gas Chromatograph |
Composition |
Concentration |
Scientific
|
Separates and analyzes chemical mixtures. |
| Gas Detector |
Gas Concentration |
ppm |
Industrial
|
Detects hazardous or combustible gas levels. |
| Gas Pycnometer |
Volume/Density |
cm³ |
Scientific
|
Measures volume and density of solids. |
| Geiger Counter |
Radiation |
Counts/min |
Scientific
|
Detects ionizing radiation. |
| Goniometer |
Joint Angle |
Degrees |
Medical
|
Measures the range of motion of joints. |
| Graphometer |
Angles |
Degrees |
Scientific
|
Measures angles. |
| Gravimeter |
Gravitational Field |
mGal |
Scientific
|
Measures variations in the local gravitational field. |
| Hall Effect Sensor |
Magnetic Field/Current |
Volts/Amps |
Industrial
|
Measures magnetic field intensity to determine position or current. |
| Heliometer |
Sun Diameter |
arcsec |
Scientific
|
Measures variation of the sun diameter. |
| Hydrometer |
Liquid Density |
g/mL |
Scientific
|
Measures liquid specific gravity. |
| Hydrophone |
Underwater Sound |
?Pa |
Scientific
|
Measures sound pressure underwater. |
| Hygrometer |
Humidity |
% RH |
Scientific
|
Measures atmospheric moisture. |
| Hygrometer (Chilled Mirror) |
Dew Point |
°C |
Scientific
|
The most accurate humidity measurement based on condensation point. |
| Hygrometer (Hair) |
Humidity |
% |
Scientific
|
Historical humidity measurement using human hair. |
| Inclinometer |
Slope Angle |
Degrees |
Industrial
|
Measures the angle of a slope. |
| Inductance Meter |
Inductance |
Henries |
Scientific
|
Measures electrical inductance. |
| Infrared Thermometer |
Temperature |
°C |
Industrial
|
Measures temperature via infrared radiation. |
| Inkometer |
Ink Consistency |
Tack Units |
Industrial
|
Measures ink properties. |
| Interferometer |
Wave Interference |
nm |
Scientific
|
Measures wave interference patterns. |
| Ion-Selective Electrode |
Ion Activity |
mV |
Scientific
|
Measures the activity of specific ions in a solution. |
| Ionization Chamber |
Radiation Rate |
Roentgen/h |
Scientific
|
Measures radiation exposure via air ionization. |
| Katharometer |
Gas Composition |
ppm |
Scientific
|
Measures gas composition by thermal conductivity. |
| Lactometer |
Milk Density |
g/cm³ |
Everyday
|
Measures specific gravity of milk. |
| Laser Tracker |
3D Coordinates |
mm |
Industrial
|
Measures large-scale objects with extreme precision using laser interferometry. |
| Lidar |
Distance/Mapping |
m |
Industrial
|
Uses laser pulses to measure distances. |
| Light Meter |
Illuminance |
lux |
Scientific
|
Measures light intensity for photography. |
| Load Cell |
Force/Weight |
Newtons/kg |
Industrial
|
Converts force into electrical signals. |
| Load Cell (S-Type) |
Force |
Newtons |
Industrial
|
Measures tension and compression force. |
| Lux Meter |
Light Intensity |
lux |
Scientific
|
Measures illuminance. |
| Lux Meter (Spectral) |
Color Temperature |
Kelvin |
Industrial
|
Measures the color quality of light sources. |
| LVDT (Linear Variable Differential Transformer) |
Linear Displacement |
mm |
Industrial
|
High-precision measurement of physical position. |
| Magnetometer |
Magnetic Field |
Tesla/Gauss |
Scientific
|
Measures magnetic field strength. |
| Manometer |
Pressure |
Pa/psi |
Industrial
|
Measures fluid pressure. |
| Manometer (U-Tube) |
Pressure |
cmH2O |
Scientific
|
Classic liquid column pressure measurement. |
| Mass Spectrometer |
Mass-to-charge |
m/z |
Scientific
|
Identifies chemical substances. |
| Measuring Cup |
Volume |
ml/fl oz |
Everyday
|
Measures liquid and dry goods. |
| Microbalance |
Mass |
micrograms |
Scientific
|
Measures extremely small masses with high precision. |
| Micrometer |
Small Distance |
?m |
Industrial
|
Measures extremely small distances. |
| Multimeter |
Voltage/Current/Res |
V/A/? |
Scientific
|
Measures multiple electrical units. |
| Nephelometer |
Particle Concentration |
NTU |
Scientific
|
Measures particles in a liquid. |
| Odometer |
Distance |
km/miles |
Everyday
|
Measures distance traveled. |
| Ohmmeter |
Resistance |
Ohms |
Scientific
|
Measures electrical resistance. |
| Optical Pyrometer |
High Temperature |
°C |
Scientific
|
Measures temperature by measuring the intensity of light emitted. |
| Orchidometer |
Testicle Size |
ml |
Medical
|
Measures testicle size. |
| Oscilloscope |
Voltage over time |
Volts |
Scientific
|
Displays voltage signal waveforms in real-time. |
| Osmometer |
Osmotic Strength |
Osm |
Scientific
|
Measures osmotic strength of a solution. |
| Oximeter |
Blood Oxygen |
% SpO2 |
Medical
|
Measures blood oxygen saturation. |
| Oxygen Sensor (Lambda) |
Oxygen Content |
Ratio |
Industrial
|
Measures oxygen concentration in exhaust gases. |
| Particle Counter |
Aerosol/Dust Concentration |
counts/m³ |
Industrial
|
Measures the concentration of particles in a cleanroom environment. |
| Pedometer |
Steps |
count |
Everyday
|
Measures steps taken. |
| Peltier Effect Meter |
Heat Transfer |
Watts |
Scientific
|
Measures heat transfer in thermoelectric devices. |
| pH Meter |
Acidity/Basicity |
pH scale |
Scientific
|
Measures chemical pH level. |
| Phoropter |
Refractive Error |
Diopters |
Medical
|
Measures eye prescription. |
| Photodiode |
Light Intensity |
Amps |
Scientific
|
Converts light into electrical current. |
| Photometer |
Light Intensity |
lumens/watts |
Scientific
|
Measures light irradiance. |
| Piezoelectric Accelerometer |
Shock/Vibration |
g |
Industrial
|
Measures mechanical vibration via piezoelectric crystals. |
| Piezoelectric Sensor |
Dynamic Pressure |
pC/N |
Industrial
|
Measures rapid changes in pressure or vibration. |
| Piezometer |
Pore Water Pressure |
kPa |
Industrial
|
Measures liquid pressure in porous materials like soil. |
| Piezoresistive Transducer |
Stress/Strain |
Ohms |
Industrial
|
Measures strain based on change in electrical resistance. |
| Pluviometer |
Rainfall |
mm |
Scientific
|
Measures the amount of rainfall over a specific period. |
| Polariscope |
Internal Stress |
nanometers |
Scientific
|
Measures stress in transparent materials using polarized light. |
| Profilometer |
Surface Roughness |
?m |
Industrial
|
Measures the micro-roughness of surface textures. |
| Psychrometer |
Humidity |
% RH |
Scientific
|
Measures humidity using two thermometers. |
| Pycnometer |
Fluid Density |
g/cm³ |
Scientific
|
Measures fluid density. |
| Pyranometer |
Solar Irradiance |
W/m² |
Scientific
|
Measures solar radiation on a planar surface. |
| Pyranometer (Dome) |
Solar Radiation |
W/m² |
Scientific
|
Measures hemispherical solar radiation. |
| Pyranometer (Net) |
Net Radiation |
W/m² |
Scientific
|
Measures the difference between incoming and outgoing solar radiation. |
| Pyrheliometer |
Direct Solar Insolation |
W/m² |
Scientific
|
Measures direct solar intensity. |
| Pyrometer |
High Temp |
°C |
Industrial
|
Measures high temperatures remotely. |
| Pyrometer (Optical) |
High Temperature |
°C |
Industrial
|
Measures temperature by matching the brightness of a filament to a hot object. |
| Pyrometric Cone |
Thermal Heatwork |
Cone # |
Industrial
|
Measures cumulative heat exposure in kilns. |
| Quadrat |
Species Density |
% |
Scientific
|
Measures percentage cover of species. |
| Radiation Survey Meter |
Radiation Dose Rate |
?Sv/h |
Scientific
|
Measures ionizing radiation field intensity. |
| Refractometer |
Refractive Index |
nD |
Scientific
|
Measures the refractive index of a substance. |
| Refractometer (Abbe) |
Refractive Index |
nD |
Scientific
|
High precision measurement of light refraction. |
| Refractometer (Digital) |
Concentration |
Brix/nD |
Industrial
|
Electronic measurement of liquid concentration based on refraction. |
| Rheometer |
Viscosity/Response |
Pa·s |
Industrial
|
Measures response to applied forces. |
| Rotameter |
Gas/Liquid Flow |
L/min |
Industrial
|
Measures flow in a closed tube. |
| Saccharimeter |
Sugar Concentration |
degrees Brix |
Industrial
|
Measures the concentration of sugar solutions in food production. |
| Seismometer |
Seismic Waves |
Richter/Mw |
Scientific
|
Detects earthquake vibrations. |
| Sextant |
Angle |
degrees |
Scientific
|
Measures celestial angles for navigation. |
| Sound Level Meter |
Sound Pressure |
dB |
Everyday
|
Measures noise level in the environment. |
| Spectrometer |
Light Properties |
nm |
Scientific
|
Measures properties of light. |
| Spectrophotometer |
Light Intensity |
Abs/Trans |
Scientific
|
Measures light intensity vs wavelength. |
| Spectropolarimeter |
Circular Dichroism |
mdeg |
Scientific
|
Measures how chiral molecules interact with polarized light. |
| Spectroscope |
Wavelength |
nm |
Scientific
|
Measures electromagnetic spectra. |
| Speedometer |
Speed |
km/h |
Industrial
|
Measures vehicle speed. |
| Sphygmomanometer |
Blood Pressure |
mmHg |
Medical
|
Measures blood pressure. |
| Spirometer |
Lung Capacity |
Liters |
Medical
|
Measures the volume of air inhaled and exhaled. |
| Stadimeter |
Object Range |
m |
Industrial
|
Measures range to an object. |
| Stadiometer |
Height |
cm |
Everyday
|
Measures human height. |
| Strainmeter |
Seismic Strain |
? |
Scientific
|
Measures seismic strain. |
| Stroboscope |
Rotational Frequency |
Hz |
Industrial
|
Visualizes objects rotating at high speed. |
| Tacheometer |
Distance/Angle |
m/deg |
Industrial
|
Measures distance in surveying. |
| Tachometer |
Rotational Speed |
RPM |
Industrial
|
Measures engine or shaft rotation. |
| Tachometer (Stroboscopic) |
Frequency/Speed |
RPM |
Industrial
|
Measures rotational speed via stroboscopic light. |
| Taximeter |
Distance/Displacement |
km |
Everyday
|
Measures fare distance. |
| Tensile Tester |
Tensile Strength |
Pascals |
Industrial
|
Measures the force required to break a sample. |
| Tensiometer |
Surface Tension |
N/m |
Scientific
|
Measures surface tension of liquids. |
| Tensiometer (Pendant Drop) |
Surface Tension |
mN/m |
Scientific
|
Measures tension by analyzing droplet shape. |
| Tensiometer (Soil) |
Soil Moisture |
kPa |
Industrial
|
Measures soil suction or moisture tension. |
| Thermal Conductivity Detector |
Gas Composition |
mV |
Scientific
|
Measures gas concentration based on thermal conductivity properties. |
| Thermal Imaging Camera |
Temperature Distribution |
°C |
Industrial
|
Visualizes temperature gradients across a surface using infrared. |
| Thermocouple |
Temperature |
°C/mV |
Industrial
|
Measures temperature via thermoelectric effect. |
| Thermohygrometer |
Temp/Humidity |
°C/%RH |
Everyday
|
Combined measurement of environment. |
| Thermometer |
Temperature |
°C/°F |
Everyday
|
Measures temperature. |
| Tintometer |
Color |
Scale Units |
Scientific
|
Measures color properties. |
| Tonometer |
Intraocular Pressure |
mmHg |
Medical
|
Measures fluid pressure inside the eye. |
| Torque Transducer |
Rotational Torque |
N·m |
Industrial
|
Measures torque transmitted through a rotating shaft. |
| Torquemeter |
Torque |
N·m |
Industrial
|
Measures rotational force or torque. |
| Turbidimeter |
Water Clarity |
NTU |
Scientific
|
Measures cloudiness or turbidity in fluids. |
| Ultrasonic Flow Meter |
Flow Rate |
m³/s |
Industrial
|
Measures flow velocity using ultrasound. |
| Ultrasonic Thickness Gauge |
Material Thickness |
mm |
Industrial
|
Measures wall thickness using ultrasonic wave travel time. |
| Universal Measuring Machine |
Geometry |
mm |
Industrial
|
Measures geometric locations. |
| UV Meter |
Ultraviolet Light |
mW/cm² |
Scientific
|
Measures ultraviolet light intensity. |
| UV-Visible Spectrometer |
Absorbance/Transmittance |
Abs |
Scientific
|
Measures intensity of light as a function of wavelength in UV/Vis spectrum. |
| Vibration Meter |
Velocity/Acceleration |
mm/s |
Industrial
|
Measures vibration levels in rotating machinery. |
| Vibrometer (Laser Doppler) |
Vibration Velocity |
m/s |
Industrial
|
Measures vibration velocity remotely using laser interference. |
| Viscometer |
Viscosity |
cP/Pa·s |
Industrial
|
Measures the viscosity of a fluid. |
| Voltmeter |
Voltage |
Volts |
Scientific
|
Measures electrical potential. |
| VU Meter |
Audio Volume |
dB |
Everyday
|
Measures volume units of audio. |
| Water Activity Meter |
Available Moisture |
Aw (0-1) |
Industrial
|
Measures the "free" moisture in food products to predict shelf-life. |
| Wattmeter |
Power |
Watts |
Scientific
|
Measures electrical power. |
| Weighing Scale |
Weight/Mass |
kg/lbs |
Everyday
|
Measures weight. |
| Wind Vane |
Wind Direction |
Cardinal |
Everyday
|
Measures wind direction. |
| X-Ray Fluorescence Spectrometer |
Elemental Composition |
ppm |
Scientific
|
Identifies elements in a material based on emitted X-rays. |
| Zymometer |
Fermentation |
ml CO2 |
Scientific
|
Measures degree of fermentation. |
