Anechoic Chambers (26 companies)
Anechoic chambers are specialized chambers designed for electromagnetic or sound waves. Learn more about Anechoic Chambers

Calorimeters and Thermal Analyzers (87 companies)
Calorimeters and thermal analyzers contain a heat source that can deliver a heat flux, at a distinct temperature, into a sample, and a temperature-measuring device that can read the resultant change in temperature.
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Conductivity and Resistivity Meters (243 companies)
Conductivity meters, dissolved solids meters, and resistivity meters are analytical instruments that measure the conductivity, dissolved solids, and/or resistivity of a liquid sample.
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Conductivity Electrodes (116 companies)
Conductivity electrodes are devices that measure the salinity and conductivity of water samples.
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Density and Specific Gravity Instruments (94 companies)
Density and specific gravity instruments are meters used to determine density and specific gravity.
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Density Test Equipment (22 companies)
Density test equipment is used to test the density of materials. Learn more about Density Test Equipment

Densometers and Porosimeters (30 companies)
Densometers and porosimeters are used for measuring porosity, air permeability or air resistance of sheet-like or bulk materials. Learn more about Densometers and Porosimeters

Dissolved CO2 Instruments (29 companies)
Dissolved CO₂ instruments are analytical devices that measure the amount of carbon dioxide (CO₂) dissolved in a liquid sample such as water. They typically include a submerged probe that is covered by a thin organic membrane.
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Dissolved Oxygen Meters (183 companies)
Dissolved oxygen meters are analytical instruments that are used to measure the amount of oxygen dissolved in a liquid sample.
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Dissolved Oxygen Sensors (108 companies)
Dissolved oxygen sensors are used to measure the amount of oxygen dissolved in a unit volume of water. In water quality applications, such as aquaculture (including fish farming) and wastewater treatment, the amount of dissolved oxygen (DO) must be kept high.
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Durometers (46 companies)
Durometers are instruments used for measuring the indentation hardness of rubber, elastomers, plastics and foam materials.
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Environmental Test Chambers and Rooms (230 companies)
Environmental test chambers and rooms are used to ensure the reliability of industrial products, especially electronic items, through prolonged exposure to one or more environmental parameters.
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Extensometers (23 companies)
Extensometers are used to indicate the deformation of material while it is subjected to stress. Learn more about Extensometers

Fluorometers (92 companies)
Fluorometers measure the amount of fluorescent radiation produced by a sample exposed to monochromatic radiation.
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Gas Instruments (760 companies)
Gas instruments detect, monitor or analyze gases present in an environment.
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Geophysical Instruments (74 companies)
Geophysical instruments are used for geological study, including rock and soil mechanics, core analysis and surveys of the earth. Learn more about Geophysical Instruments

Groundwater Monitoring Equipment (28 companies)
Groundwater monitoring equipment includes pumps and other instruments that tap into the water table for water quality assessment, testing for pollutants, and the identification of other compounds. Learn more about Groundwater Monitoring Equipment

Hardness Testers (163 companies)
Hardness testers measure a material's resistance to indentation. This calculation is determined by measuring the permanent depth or projected area of the indentation.
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Humidity Measurement Instruments (446 companies)
Humidity measurement instruments test for absolute humidity, relative humidity, or dew point in air.
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Hydrometers (60 companies)
Hydrometers are calibrated glass floats used to determine the specific gravity of a liquid. Learn more about Hydrometers

Instrument Calibration Services (625 companies)
Instrument calibration services test equipment and calibrate them to various standards.  
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Ion Selective Electrodes (63 companies)
Ion selective electrodes measure the potential of a specific ion in solution. This potential is measured against a stable reference electrode of constant potential.
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Ion Specific Electrode Meters (82 companies)
Ion specific electrode meters are millivolt meters that interface with ion selective electrodes (ISEs). These meters take the potential generated by the electrode and convert it into units of concentration.
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Laboratory Air Handling Equipment (302 companies)
Laboratory air handling equipment is used to protect specimens and laboratory staff from environmental contamination. Products include fume hoods, biological safety cabinets, environmentally controlled rooms and clean benches. Learn more about Laboratory Air Handling Equipment

Laboratory Balances (172 companies)
Laboratory balances are used to measure an object’s mass to a very high degree of precision.
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Leaf Wetness Sensors (9 companies)
Leaf wetness sensors are used to detect the presence of surface moisture. Learn more about Leaf Wetness Sensors

Leak Testing Equipment (298 companies)
Leak testing equipment is used to measure the escape of liquids, vacuum or gases from sealed components or systems.
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Liquid Leak Detectors (152 companies)
Liquid leak detectors sense when a liquid is leaking from a pipe, tank, or other receptacle.
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Mechanical Testing Equipment (293 companies)
Mechanical testing equipment covers devices used for adhesion, compression, drop (shock), tensile, vibration and fatigue testing.
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Moisture Meters (587 companies)
Moisture meters are used to measure the moisture content in bulk solids, liquids and gases.
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Oil In Water Monitors (55 companies)
Oil in water monitors are used to detect the presence of hydrocarbons in water.
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Oil Sensors and Analyzers (39 companies)
Oil sensors and oil analyzers are used in automotive or industrial machinery applications to sense oil levels, and check for contamination, and particulates, viscosity and/or temperature. Learn more about Oil Sensors and Analyzers

Opacity Sensors and Instruments (66 companies)
Opacity sensors and instruments measure the amount of light transmitted through a sample.
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Oxidation Reduction Potential (ORP) Electrodes (90 companies)
Oxygen reduction potential (ORP) electrodes are analytical sensors for measuring oxidation-reduction potential (ORP).
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Particle Analyzers (165 companies)
Particle analyzers are used to determine the physical makeup of individual particulates in aerosols, dispersion, emulsions, powders, and other samples.
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Permeation Instruments (24 companies)
Permeation instruments are designed to measure the permeability, solubility, diffusivity and precise transmission rate of organic vapors or liquids through films, paper, pulp, packages and other materials. Learn more about Permeation Instruments

pH and Oxidation Reduction Potential (ORP) Instruments (335 companies)
pH and oxidation reduction potential (ORP) instruments measure or monitor pH (relative concentration of hydrogen ions [H+] in a solution) as well as ORP.
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pH Electrodes (176 companies)
pH electrodes are analytical sensors for measuring potential of hydrogen (pH), the negative logarithm of the hydrogen ion activity in solution.
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Plant Growth Chambers (11 companies)
Plant Growth Chambers are specifically designed to produce environmental conditions to maximize plant growth. Learn more about Plant Growth Chambers

Polymer Test Equipment (32 companies)
Polymer test equipment includes melt flow indexers, extrusiometers, and other specialized instruments for determining the processability and properties of plastics and elastomer materials.
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Powder Testing Equipment (30 companies)
Powder testing equipment is used to measure the static and dynamic properties of powders for pharmaceutical, coating, and other solid-particulate applications.
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Product and Material Test Fixtures and Accessories (255 companies)
Material test fixtures and accessories include mechanical testing grips, fixtures, sample heaters, extensometers, specimen cutters, and other specialized test components.
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Property Testers (342 companies)
Property testers are used to determine various physical properties of samples, including cloud point, distillation, flash point, freezing point, melting point, pour point, and vapor pressure.
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Pulp and Paper Testers (26 companies)
Pulp and paper testers include specialized sensors, instruments, COBB testers, and test equipment for evaluating the material properties and processability characteristics of pulp and paper.
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Pycnometers (16 companies)
Pycnometers are glass or metal containers with a determined volume. Typically, they are used to determine the density of liquids and their dispersions
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Radiation Detectors (158 companies)
Radiation detectors are used for medical diagnoses, radioactive dating measurements, and measurements of background radiation, activity levels and radiation doses.
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Refractometers (116 companies)
Refractometers measure the critical angle of refraction through a sample. The critical angle of refraction will change with concentration.
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Residual Gas Analyzers (54 companies)
Residual gas analyzers (RGAs) identify the gases present in vacuum environments.
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Rheometers (56 companies)
Rheometers characterize a liquid according to its viscous properties and elastic responses.
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Scintillation Counters (33 companies)
Scintillation counters are used to detect gamma, x-ray and neutron radiation. They consist of a detector for sensing incident radiation and a photomultiplier for producing countable pulses. Learn more about Scintillation Counters

Solar Radiation Instruments (44 companies)
Solar radiation instruments measure the spectral range of radiation, including global solar radiation (sun + sky), net radiation (incoming solar - reflected solar) and the photosynthetic light spectrum.
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Solid Phase Extraction Cartridges and Discs (44 companies)
Solid phase extraction (SPE) cartridges and discs are used to clean up a sample before using a chromatographic or other analytical method to quantify the amount of analyte(s) in the sample.
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Stability Chambers and Rooms (18 companies)
Stability chambers and stability rooms are temperature-controlled and humidity-controlled environmental units that provide stable conditions for storage and testing purposes. Learn more about Stability Chambers and Rooms

Surface Area and Pore Size Analyzers (29 companies)
Surface area and pore size analyzers are used to measure the surface area and pore size of a sample.
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Temperature Indicators and Temperature Instruments (409 companies)
Temperature indicators and temperature instruments are designed for temperature monitoring and analysis. These devices either come equipped with an integral sensor, or require sensor input.
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Temperature Instruments (2274 companies)
Temperature instruments use contact or noncontact methods to measure temperature. Products include dial, digital, industrial and laboratory thermometers; temperature probes, indicators, and sensors; RTD elements and transmitters; and thermistors, thermocouples, thermopiles, and thermal switches. 
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Tensiometers and Surface Tension Meters (49 companies)
Surface tension and wettability instruments measure fluid surface tension, a tangential force that keeps a fluid together at the air/fluid interface. Surface tension is a direct indicator of the quality of any chemical and any formulation.
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Test Stands and Benches (80 companies)
Test stands and test benches are laboratory surfaces upon which devices are tested. They are used for pressure or flow testing of system components, and in many different industries. Learn more about Test Stands and Benches

Thermal Imagers (188 companies)
Thermal imagers detect heat patterns in the infrared wavelength (1 micron to 100 micron) spectrum.
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Titration Instruments (60 companies)
Titration instruments are used to determine the concentration of dissolved substances. Titration is based on a complete chemical reaction between the specific substance, the analyte, and a reagent or titrant of known concentration that is added to the sample.
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Total Organic Carbon (TOC) Analyzers (54 companies)
Total organic carbon (TOC) analyzers measure the amount of total organic carbon present in a liquid sample.
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Turbidity Instruments (155 companies)
Turbidity instruments measure the average volume of light scattering over a defined angular range. Both particle size and concentration of suspended solids as well as dissolved solids can affect the reading.
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Viscometers (137 companies)
Viscometers define viscous properties of a fluid at ambient or defined temperatures.
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Volatile Organic Compounds (VOC) Analyzers (28 companies)
Volatile organic compound (VOC) analyzers are used to detect concentrations of heavy hydrocarbons in gas or liquid media. Learn more about Volatile Organic Compounds (VOC) Analyzers

Water Quality Photometers and Colorimeters (107 companies)
Water quality photometers and colorimeters are ion-specific, computer-interfaced probes that are designed to determine the concentration of a solution from its color intensity.
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Water Quality Testing Instruments (247 companies)
Water quality testing instruments are used to test water for chemical and biological agents, and to measure variables such as clarity and rate of movement.
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Weather Instruments (260 companies)
Weather instruments are designed to measure one or multiple components of weather including wind speed and direction, rain or snow fall, solar radiation, temperature, pressure and humidity.
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X-ray Diffraction Instruments (30 companies)
X-ray diffraction instruments are used to measure crystal structure, grain size, texture and/or residual stress of materials and compounds through interaction of the X-ray beam with a sample.
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