Devices that sense and convert physical information about the environment into a readable form such as analog voltage, current, charge, or frequency.

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Sensors and instruments for measuring and transmitting sound levels and frequency.

Chemical Sensors (1,381 suppliers)

A wide classification of sensors that are used to analyze material samples, or their components, and record data specific to the application.

Any method used to determine density and specific gravity including hydrometers, digital instruments, pycnometers, etc.

Displacement Sensing (1,067 suppliers)

Devices used to detect (optical, Hall effect, inductive, etc.) or measure changes in displacement.

Devices used to detect and measure electrical and electromagnetic signals.

Encoders and Resolvers (691 suppliers)

Motion feedback devices providing position and velocity information to closed-loop control systems.

Environmental Sensors (3,109 suppliers)

Sensors designed to measure and test for changes in environmental conditions, including radiation (both wavelength and as a hazardous emission), temperature, moisture and dew point, smoke, dust and opacity, light, weather, and water quality.

Flow Sensing (2,653 suppliers)

Flow measurement instruments are used to determine flow rate by monitoring the amount of media passing during a specific time. Devices within this category can monitor liquids, gases or solids, and measure in units of mass, velocity or volume.

Force Sensing (1,832 suppliers)

Instruments, sensors and equipment for measuring static or dynamic force or torque.

Gas Sensing (1,446 suppliers)

Any method used to measure the amount of a specific gas or gases in a given environment including both sensors and instruments.

Instruments, sensors, indicators or controllers for measuring humidity, moisture content and weather conditions.

Level Sensing (1,827 suppliers)

Devices used to detect or measure level of liquids, gases or solids, within pipes or tanks, or to detect the interfaces between different materials.

Linear Position Sensing (1,067 suppliers)

Devices used to measure the linear displacement of an object.

Sensors and instruments used to detect rotary position, angular position, tilt, or inclination relative to the horizon or a linear position.

Pressure Sensing (2,810 suppliers)

Instruments and sensors for measuring or controlling the pressure applied to a surface from a liquid, bulk material or discrete component.

Sensors and Instruments for proximity sensing, including capacitive, photoelectric, inductive, Hall effect, ultrasonic, and other technologies.

Devices and instruments for sensing and measurement of angular motion, speed, and position; includes encoders, resolvers, synchros and similar devices.

Safety sensors and switches are used in machines and other industrial applications to safeguard equipment and prevent personal injury.

Security sensors and systems are used for access control, burglary, smoke or heat detection, and video monitoring or surveillance.

Temperature Sensing (4,000 suppliers)

Devices that are designed to detect or measure changes in temperature such as temperature probes, sensors, etc.

Tension Sensing (610 suppliers)

Instruments and controllers that measure, monitor or adjust tension in cable, fiber, belts, sheets and other webs.

Tilt Sensing (222 suppliers)

Sensors or instruments that detect inclination relative to the horizon, rotary position, angular rates or linear acceleration.

Torque Sensing (501 suppliers)

Instruments and controllers that measure, monitor or adjust torque in shafts, cables, fibers, rods and other components.

Vacuum Sensing (792 suppliers)

Instruments, sensors and test equipment for measuring sub-atmospheric pressures, controlling vacuum levels, detecting vacuum chamber leaks or analyzing gas compositions in vacuum systems.

Velocity Sensing (770 suppliers)

Instruments and controllers that measure, monitor or adjust velocity or speed in shafts, moving webs and other components.

Instruments, sensors and equipment for producing, controlling or measuring vibratory or oscillatory motion.

Viscosity Sensing (204 suppliers)

Instruments and sensors for measuring the viscosity (resistance to flow) or viscoelastic properties of liquid or molten glass and plastic.

CCD, CMOS or other image capturing sensors that form the heart of a digital camera or imaging system.

Weather Sensing (1,623 suppliers)

Instruments or sensors designed to measure one or multiple components of weather; including wind speed and direction, rain/snow fall, solar radiation, temperature, pressure and humidity.