Instruments for the detection and measurement of physical variables such as flow, pressure, temperature, humidity, velocity, acceleration, and vibration.
Air Flow Sensors (269 suppliers)
Durometers (66 suppliers)
Flame Detectors (179 suppliers)
Flow Computers, Totalizers, and Indicators (278 suppliers)
Flow computers, totalizers, and rate indicators integrate the functions of flow and temperature measurement, computation, data acquisition, input / output (I/O) standardization, and closed loop control. They require external sensor inputs and may be used as local rate indicators.
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Flow Meters (1,662 suppliers)
Force and Torque Instruments (314 suppliers)
Force and torque instruments are used to measure force, weight or torque. Some can measure force and torque by changing the sensor / transducer.
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Gas Flow Meters (426 suppliers)
Gas Instruments (958 suppliers)
Hardness Testers (237 suppliers)
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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Hygrometers and Humidity Measurement Instruments (570 suppliers)
Hygrometers and humidity measurement instruments test for absolute humidity, relative humidity, or dew point in air.
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Laboratory Balances (252 suppliers)
Level Gauges (301 suppliers)
Level Sensors (1,098 suppliers)
Level sensors are used to detect liquid or powder levels, or interfaces between liquids. There are two basic level-measurement types: continuous and point or multi-point.
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Liquid Flow Meters (607 suppliers)
Liquid Leak Detectors (245 suppliers)
Load Cells (376 suppliers)
Load cells are force sensors that often incorporate mechanical packaging to fit into testing and monitoring systems. They can be used for tension, compression, and/or shear measurement, and can be configured to measure force or load along one or more axes.
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Mass Flow Meters and Controllers (262 suppliers)
Mass flow meters and controllers measure flow rate in units of mass or volume per units of time (e.g., pounds per minute). They are designed for use with gases, liquids, steams, or slurries.
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Moisture Meters (800 suppliers)
Opacity Sensors and Instruments (85 suppliers)
Paddlewheel Flow Meters (73 suppliers)
Paddlewheel flow meters have a paddle wheel that is perpendicular to the flow path. The rotor axis is positioned to limit contact between the paddles and the flowing media.
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Pressure Instruments (313 suppliers)
Pressure Sensors (1,086 suppliers)
Pressure sensors include all sensors, transducers and elements that produce an electrical signal proportional to pressure or changes in pressure.
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Radiation Detectors (206 suppliers)
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 (155 suppliers)
Rheometers (71 suppliers)
Rotameters (107 suppliers)
Rotameters are typically tapered glass tubes positioned vertically in the fluid flow. A float within the tube rides upward in relation to the amount of flow.
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Smoke Detectors (275 suppliers)
Solids Flow Meters (33 suppliers)
Solids flow meters measure the flow rate of bulk solids, powders, grain, etc.
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Sound Level Meters and Noise Dosimeters (229 suppliers)
Sound level meters and noise dosimeters are used in sound and noise analysis. Applications include industrial safety, traffic noise studies, and scientific noise measurement.
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Stroboscope Instruments (87 suppliers)
Tachometers (348 suppliers)
Tachometers are used to measure the velocity of a rotating object. They operate on the principle that a driven motor (i.e., a motor operated as a generator) produces a voltage that is proportional to the angular velocity of the motor shaft.
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Temperature Indicators (473 suppliers)
Temperature indicators are designed for temperature monitoring and analysis. These devices either come equipped with an integral sensor, or require sensor input.
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Turbine Flow Meters (275 suppliers)
Ultrasonic Flow Meters (226 suppliers)
Vibration Measurement Instruments and Vibration Analyzers (344 suppliers)
Vibration measurement instruments and vibration analyzers are used for measuring, displaying and analyzing vibration. Typically these instruments comprise a transducer, data acquisition and either a local display or some sort of output to a computer or another instrument.
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Viscometers (178 suppliers)
Vortex Flow Meters (121 suppliers)
Vortex flow meters are flow sensors that detect the frequency of vortices shed by a bluff body placed in a flow stream. The frequency of the vortices is proportional to the flow velocity.
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