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Accelerometers are instruments for measuring, displaying, and analyzing acceleration and vibration.
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Air heaters are devices used to heat air. They include forced air products as well as all types of radiant and space heaters.
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Air pressure regulators control pressure in air lines (usually adjustable) to remove fluctuations and maintain consistent pressure for pneumatic devices.
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Air valves allow metered fluid flow in one or both directions. They are used in pneumatic circuits to regulate the rate of activation or exhaust of cylinders and other pneumatic devices.
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Air velocity flow sensors measure air velocity or volume flow using insertion probes or capture hoods.
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Analog ammeters are metered instruments that measure current flow in amperes. They display current levels on a dial, usually with a moving pointer or needle.
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Analog multimeters are instruments that are used to measure electrical quantities such as voltage, current, resistance, frequency and signal power
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Analog panel meters measure and display processes and electrical variables with a simple dial display.
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Analog pressure gauges are mechanical devices that include bellows, Bourdon tubes, capsule elements and diaphragm element gauges.
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Analog resistance meters are instruments that measure electrical resistance. They display values on a dial, usually with a needle or moving pointer.
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Analog voltmeters are instruments that measure voltage or voltage drop in a circuit. They display values on a dial, usually with a needle or moving pointer.
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Analog-to-digital converters (ADC) sample an analog signal and convert it to a series of digital values to represent the signal to a computer processor.
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Annunciators and graphic display panels disclose the layout and annunciate the status and measurement parameters of industrial processes, security and fire alarms of buildings and manufacturing facilities, power distribution networks, and other operations.
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Audible alarms provide an audible indication of a hazardous situation.
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Ball valves provide tight shut-off and characterizable control. They have high rangeability due to the design of the regulating element, without the complications of side loads typical of butterfly or globe valves.
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Band heaters are ring-shaped heaters that clamp onto a cylindrical object and heat via conductive heat transfer.
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Batch controllers maintain the correct size of a discrete batch of process material, such as the volume of a liquid. They are often interfaced with sensors such as load cells, or with volumetric flow meters.
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Bridge conditioners are instruments that provide excitation and support for strain gages, Wheatstone bridges, load cells, and sensors. They also include circuitry for signal conditioning, amplification, and processing.
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Cable assemblies are collections of wires or cables banded into a single unit with connectors on at least one end.
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Calibration instruments use electrical signals or physical quantities to calibrate sensors and meters. Devices that produce electrical signals can serve as precise meters for sensor calibration, or send output signals to other devices.
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Calibration standards and reference sources include any source that can provide a reference for the calibration of an instrument or comparison of a material or component.
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Capacitance meters measure the value of capacitance in circuit elements.
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Capacitance standards and decades provide a highly accurate standard value of capacitance for calibration and testing.
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Cartridge heaters are cylindrical devices generally inserted into a heated substance.
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Centrifugal pumps consist of a set of rotating vanes, enclosed within a housing or casing, that are used to impart energy to a fluid through centrifugal force.
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Chart recorders and strip charts are data acquisition tools used to generate a plot, graph or other visualization of data versus time.
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Chemical pumps are designed for applications requiring greater reliability and durability than conventional pumps.
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Circuit breakers are mechanical switching devices capable of breaking currents under specified abnormal circuit conditions.
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Circulation heaters are used to heat moving or circulating fluids.
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Laboratory circulators and baths are refrigerated and heated in order provide thermal control.
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Clamp meters are ammeters that can measure current without the need to disconnect the wires where the measurement occurs. They provide information about current draw and current continuity in order to help users troubleshoot erratic loads and trends.
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Compressed air filters are used to remove water, oil, oil vapor, dirt, and other contaminants from a compressed air supply.
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Conductivity electrodes are devices that measure the salinity and conductivity of water samples.
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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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Connection heads, also referred to as thermoheads or thermocouple heads, provide a means for connecting temperature sensors and extension wires.
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Console and consolet enclosures are freestanding structures with a sloped front or top for mounting electric or electronic control components. They protect sensitive equipment such as computer monitors in harsh, wet, dirty, or dusty environments.
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Control valves or proportional valves are power-operated devices used to modify fluid flow or pressure rate in a process system.
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Counter and timer boards are computer cards that perform digital counting and/or timing functions.
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Current loop converters convert an analog or digital signal to a current loop output such as 4-20 mA or 0-20 mA.
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Current sensors measure AC and/or DC current levels. They receive current inputs and provide outputs as analog voltage signals, analog current levels, switches, or audible signals.
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Current-to-voltage converters scale and convert current signal input to the desired output voltage range.
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Cylindrical ceramic fiber heaters consist of an iron-chrome-aluminum (ICA) heating element and a thick layer of ceramic fiber insulation within a cylinder-shaped housing.
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Data acquisition is the digitizing and processing of multiple sensor or signal inputs for the purpose of monitoring, analyzing and/or controlling systems and processes. Signal conditioning includes the amplification, filtering, converting, and other processes required to make sensor output suitable for rereading by computer boards.
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Data acquisition computer boards are self-contained printed circuit boards that typically plug into the backplane, motherboard, or otherwise interface directly with the computer bus.
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Data acquisition I/O modules or cards have both input and output functionality. Digital or discrete I/O modules include on-off signals used in communication, user interface, or control.
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Data acquisition input modules accept sensor and other signal output for data acquisition systems. They may include signal conditioning prior to the analog-to-digital conversion stage.
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Data acquisition output modules or cards transfer amplified, conditioned, or digitized signals.
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Data acquisition systems and instruments collect, digitize and process multiple sensor or signal inputs for the purpose of monitoring, analyzing and/or controlling systems and processes.
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Data loggers and data recorders acquire digital data from sensors and other signals. They are primarily used to store data for subsequent downloads to a host PC, but may also include real-time features such as monitors and alarms.
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DC motor drives act as the interface and power supply between a motion controller and a DC motor.
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DC powered pumps use direct current from motor, battery, or solar power to move liquids such as acids, chemicals, lubricants and oil, as well as water, wastewater, and potable water.
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Decade boxes and dividers provide highly accurate and digitally variable standard values of resistance, capacitance, inductance, voltage and/or current for calibration, comparison and testing.
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Dial thermometers are bimetal or bi-metallic, liquid or gas-filled, and vapor-tension-based. These devices display temperatures in Fahrenheit, Celsius, or both.
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Diaphragm pumps use a diaphragm that moves back and forth to transport liquids from one place to another.
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Diaphragm valves close by means of a flexible diaphragm attached to a compressor.
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Digital ammeters are instruments that measure current flow in amperes and display current levels on a digital display. These devices provide information about current draw and current continuity in order to help users troubleshoot erratic loads and trends
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Digital bargraphs measure process and electrical variables such as pressure, flow, temperature, speed, current, and voltage. There are two main types of products: light emitting diode (LED) and liquid crystal display (LCD).
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Digital multimeters (or multi-meters) are used to measure electrical quantities such as voltage, current, resistance, frequency, temperature, capacitance, and time period measurements.
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Digital panel meters measure and display processes and electrical variables via an alphanumeric digital readout.
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Digital pressure gauges use electronic components to convert applied pressure into usable signals. The gauge readout has a digital numerical display.
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Digital readouts are specialized displays for position and dimension readings from inspection gages and linear scales, or rotary encoders on machine tools.
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Digital resistance meters are instruments that measure electrical resistance. They use solid-state components and display values digitally.
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Digital thermometers are portable temperature sensing devices that have permanent probes and a digital display.
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Digital voltmeters are instruments that measure voltage or voltage drop in a circuit. They use solid-state components and display values digitally.
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Digital-to-analog converters (DAC) transform a digital number into a corresponding analog voltage or current.
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Dissolved oxygen meters are analytical instruments that are used to measure the amount of oxygen dissolved in a liquid sample.
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Dosing pumps are low-volume fluid pumps with controllable discharge rates used to inject additives into the mixing or pumping system.
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Double diaphragm pumps are positive displacement pumps that compress fluid by decreasing the volume of a chamber containing the fluid.
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Drum heaters are used to heat containers of viscous materials. They can be wrapped around or placed inside containers that hold substances such as wax or grease.
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Drum pumps are used to transfer materials from a container into a process or other container. They may be electrically, hydraulically, or pneumatically powered depending on the working environment or application.
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Dry material (powders) level sensing devices are used to measure levels of solid, dry materials in either continuous or point values represented with various output options.
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Dry material (powders) level switches are used to measure levels of dry, solid materials via an electrical switching action.
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Duct heaters are used to heat moving gas streams.
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Electric heaters generate heat by passing an electric current through a high-resistance material.
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Electric rotary actuators drive components rotationally via electromagnetic power. They typically have control and indexing capabilities.
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Electrical connectors are devices that join electrical circuits together. Male connectors plug into receptacles, jacks, and outlets. Female connectors contain sockets to receive other devices.
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Electrical feedthroughs transmit electrical current through the walls of a pressurized or vacuum system through a hermetic seal.
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Electromagnetic flow meters operate on Faraday's law of electromagnetic induction, which states that a voltage is induced when a conductor moves through a magnetic field.
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Electromechanical relays are devices that complete or interrupt a circuit by physically moving electrical contacts into contact with each other.
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Electronic enclosures and instrument enclosures house electronic components and instruments. They are usually designed for handheld or desktop applications.
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Electronic counters and electronic timers are completely electronic units for performing a variety of counter or timer functions.
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Encoder and resolver signal conditioners accept encoder and resolver measurements and convert or condition these signals into digital data or suitable levels.
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Expansion joints connect two fixed assemblies or pipes and provide allowance for movement due to service load, shock, or thermal cycles.
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Explosion proof heaters are constructed with housings that can withstand explosions, protecting the materials being heated. This classification may also include housings, which can withstand sparking and flames.
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Explosion proof pumps prevent internal or external explosions by enclosing parts that could ignite either the transfer media or the surrounding atmosphere.
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Feedthroughs transmit electrical current, fluids, optical signals, or mechanical motion through the walls of a pressurized or vacuum system through a hermetic seal.
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Filter, regulator, lubricator (FRL) assemblies are pre-packaged or modular assemblies of common configurations of air filters, regulators, lubricators, and gauges.
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Fire alarm control panels (FACP) are systems which receive information from input devices (smoke detectors, heat detectors, etc.), process the information, and trigger an output device such as an audio or visual alarm.
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Flat cables are typically used in computers for internal connections to peripherals. They are also referred to as ribbon cables.
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Flat ceramic fiber heaters consist of an iron-chrome-aluminum (ICA) heating element and a thick layer of ceramic fiber insulation within a non-curved housing.
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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 controllers monitor and maintain flow-rate variables, typically in process applications.
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Flow meters (flowmeters) and flow sensors are devices used for measuring the flow rate or quantity of a moving fluid or gas.
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Flow switches are devices that monitor flow and send a trip signal to other devices, like a pump, for protection. These switches can be used for the measurement of gases, liquids, and steam.
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Flow transmitters provide electrical outputs that are proportional to flow inputs. They use flow meters to measure the flow of liquids and gases.
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Force and load sensors covers electrical sensing devices used to measure tension, compression, and shear forces.
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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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Frequency converters and translators scale and/or filter frequency inputs to produce outputs signals with frequencies that are a function of the inputs.
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Frequency meters are instruments that provide analog outputs as frequencies that vary as a function of the applied input. They display values on a dial, usually with a needle or moving pointer.
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Frequency-to-voltage converters accept a signal and convert its frequency to a corresponding analog voltage level.
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Fuses protect electrical devices and components from overcurrents and short circuits that occur in improperly operating circuits.
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Gas and air instruments detect, monitor or analyze gases present in an environment.
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Gas flow meters are used for measuring the flow or quantity of a moving gas in an enclosed pipe or passage.
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Gas valves are used to handle and control the flow of gaseous media such as liquefied petroleum and natural gas. They are made of metal or plastic and vary in terms of valve size, pressure rating, number of ports, and flow.
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Gear pumps use intermeshing gears to pump various types of liquids. Typically, one gear is the driver and the other is free wheeling. The gears have very tight tolerances so that the fluid being pumped cannot pass through them. Common uses for gear pumps include high pressure, metering, and flow control applications.
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Grippers activate jaws or fingers to pick up, hold, or move work pieces in an automated or robotic system.
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Ground bond testers are electrical safety test devices that perform electrical compliance tests.
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Hand pumps and foot pumps are manually operated pumps that can driven by hand or foot via a handle or lever.
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Hookup wires are used in low current, low voltage (under 1000 V) applications within enclosed electronic equipment. They are also used in control panels, meters, computers, business machines, and appliances.
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Hose fittings are a category of components used to connect hoses and tubes for in-line, offset, multi-port, and mounting configurations.
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Human machine interfaces (HMI) are operator interface terminals with which users interact in order to control other devices.
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Humidity controllers monitor and maintain proper humidity levels in environmental test applications, food storage areas, and electronic equipment rooms.
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Humidity measurement instruments test for absolute humidity, relative humidity, or dew point in air.
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Hydraulic valves contain and transfer the flow and pressure of hydraulic fluid in hydraulic power systems. They range from simple shutoff valves to precision control valves.
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I/O Modules, cards and boards are used to accept data (input) from computers, sensors, transducers, PLCs, etc., and then distribute the data (output) to other devices in the system.
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Immersion heaters are used in applications that require immersing the heater in the substance to be heated.
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Inductive linear position sensors and switches are noncontact devices that determine an object's coordinates (linear or angular) with respect to a reference.
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Inductive proximity sensors detect the presence or absence of an object using a critical distance.
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Industrial enclosures are used to house electronic components, equipment and devices. They are designed to protect personnel from accidental injury and to prevent the ingress of environmental contaminants.
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Industrial furnaces are built of several kinds of high temperature (refractory) materials to hold the process material and hold in the heat without breaking down during the several months that they usually run.
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This is a general search form for all types of industrial heaters, devices which are available in a variety of sizes, shapes, and heating configurations.
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Industrial liquid handling pumps are classified in many different ways, and are distinguished by the media pumped and the fluid motive mechanism (dynamic or displacement).
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Industrial mixers use a shaft, screw, blades, ribbons, impellers or propellers to mix industrial materials such as adhesives, chemicals, construction materials, minerals, coatings and paints.
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Industrial valves are classified in many different ways. They can be distinguished by material of construction, media handled, and/or application.
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Infrared heaters use a reflective shield to direct radiant heat onto a heated surface.
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Injection pumps are designed to inject measured amounts of fluid into a reservoir or production system.
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Instrumentation amplifiers are differential amplifiers that have been optimized for use with DC signals. They are characterized by high gain, high common mode rejection ratio (CMRR), and high input impedance.
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Intrinsic safety (IS) barriers are devices that limit the current, voltage, and total energy delivered to a sensor in a hazardous area or flammable environment in order to prevent an explosion.
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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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KVA meters measure the apparent power of AC devices in kilovolt-amperes (KVA). Apparent power is the combination of a circuit’s true power and reactive power.
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Laboratory furnaces provide continuous heating to process samples and materials.
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Laboratory ovens are used in a variety of thermal processing applications including general lab work, component and stability testing, core hardening, drying glassware, and sterilizing.
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Laboratory thermometers are used to measure temperatures or temperature changes with a high degree of precision. Traditional liquid-in-glass design offers ease of use and low cost.
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LCR meters and impedance meters measures inductance (L), capacitance (C), and resistance or impedance (R).
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Level controllers monitor, regulate, and control liquid or solid levels in a process.
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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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Level switches is a generic search form for devices that are used to detect liquid or powder levels, or interfaces between liquids. These level measurements are indicated via an electrical switching action.
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Level transmitters or level transducers are used to measure the level of a liquid or bulk solid material (as well as slurries) within a specified space. For each measurement, they provide an electrical output that is proportional to the input level.
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Limit switches are electromechanical or solid state devices that require the physical contact of an object with the switch’s actuator to make the contacts change state.
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Linear encoders sense and digitize linear position change for positional measurement and feedback to control systems.
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Linear limit switches are electromechanical devices that require physical contact between a target object and switch activator to make the contacts change state.
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Linear position sensors is a general search form for all linear position / displacement detection product areas.
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Linear potentiometers are sensors that produce a resistance output proportional to the displacement or position.
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Linear power supplies accept AC inputs and provide one or more DC outputs for a wide variety of computer and industrial applications. They use an active element (normally a power transistor) operating in its linear region to generate a desired voltage.
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Linear slides are simple linear motion devices composed of a stationary base and a moving carriage. Linear stages are slides with a drive mechanism that provide controlled, precise positioning along a linear axis.
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Liquid flow meters are used for measuring the flow or quantity of a moving fluid.
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Liquid level sensors are used to detect liquid levels or interfaces between liquids such as oil and water or liquids and solids.
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Liquid level switches are used to detect specific liquid levels or interfaces between liquids. These level measurements are indicated via an electrical switching action.
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Load cells are transducers for force and load measurement, often with mounting packaging. They are widely used in testing, instrumentation, and as components in larger devices such as scales.
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Lubricators and lubrication systems are used to apply controlled or metered amounts of lubricant.
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Linear variable differential transformer (LVDT) linear position sensors have a series of inductors in a hollow cylindrical shaft and a solid cylindrical core. These devices produce an electrical output proportional to the position of the core
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Machine safeguarding and presence sensing devices control machine operations and protect personnel by detecting the presence of objects that could interfere with or be harmed by machinery.
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Magnetic drive pumps are sealless pumps that use a coaxial magnetic coupling to transmit torque to an impeller. A standard electric motor drives a set of permanent magnets that are mounted on a carrier or drive assembly.
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Magnetic field instruments include meters, gauges, recorders and other instrumentation for the measurement of magnetic fields and/or magnetic flux.
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Magnetic proximity sensors include devices that work on inductive, variable reluctance, magneto resistive or Hall effect principles. Proximity sensors detect the presence or absence of an object using a critical distance.
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Magnetic speed sensors rely on a magnet as the sensing element or sensed target to capture rotational or linear speed. They are typically used as gear tooth speed sensors or incorporated into stroboscopes or tachometers.
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A mass flow meter is a device that consist of a mass flow sensor or transducer and signal processing electronics. Fluid (liquid or gas) flow is measured in mass rate units (lbs/min).
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Megohmmeters generate high voltage, low current signals for testing the breakdown strength of electrical insulation. They are called megohmmeters because the insulating resistance of a properly designed product is expressed in mega ohms (M  ).
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Metering pumps are precision pumps, which dispense an exact amount of material. They are used in a variety of chemical dosing and metering applications.
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Moisture meters are used to measure the moisture content in bulk solids, liquids and gases.
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Motor starters and contactors are motor-starting devices. They combine a contactor with overload protection and are designed for starting AC or DC motors.
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Multiconductor cables contain two or more conductors, each of which consists of a single wire or combination of wires. Cable shielding is placed around an insulated conductor or group of conductors to prevent electrostatic or electromagnetic interference between the enclosed wires and external fields.
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Needle valves are small valves used for flow control in liquid or gas services. The fine threading of the stem and the large seat area allow for precise resistance to flow.
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NEMA and IP enclosures are used to house and protect electrical devices and electronic components. NEMA enclosures are rated by the National Electrical Manufacturers Association (NEMA) and designed for hazardous or non-hazardous locations and indoor or outdoor use. Ingress protection (IP) enclosures provide protection against foreign objects and moisture.
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Network cable assemblies are used in the transmission of data across networks. Choices include Fibre Channel, FireWire or IEEE 1394, GPIB, serial, parallel, patch, SCSI, Ethernet and USB.
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Network cards and network controllers are expansion boards inserted into computers that allow them to connect to a network.
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Network servers control and manage network resources such as files, printers, users, groups, etc.
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Noncontact infrared temperature sensors absorb ambient infrared (IR) radiation given off by a heated surface. They are used in applications where direct temperature measurement is not possible.
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Operator interface enclosures are used to house industrial controls such as display screens, pushbuttons, keyboards, lights, and other operator control devices. They are usually mounted on suspension/pendant systems or pedestals.
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Oscilloscopes translate an electronic signal into a pattern or waveform on a screen. As it is traced across the screen, the waveform creates a signature of the signal's characteristics.
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Over-the-side heaters are immersion heaters that hang over the side of a tank of heated material.
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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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Peristaltic pumps use rotating rollers pressed against special flexible tubing to create a pressurized flow.
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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 and ORP controllers monitor and can control the pH (acidity or alkalinity) and/or the ORP (oxidation reduction potential) of liquids involved in a testing or process application.
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pH electrodes and oxygen reduction potential (ORP) electrodes measure the voltage across a circuit formed by the measuring metal half-cell and the reference half-cell.
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Photoelectric sensors use emitters and receivers to detect the presence, absence, or distance of target objects.
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Pipe fittings include many components that connect pipe ends for in-line, offset, multi-port, and mounting configurations.
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Piston pumps and plunger pumps are reciprocating pumps that use a plunger or piston to move media through a cylindrical chamber. The plunger or piston is actuated by a steam powered, pneumatic, hydraulic, or electric drive. Piston pumps and plunger pumps are also called well service pumps, high pressure pumps, or high viscosity pumps.
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Plastic pumps are designed to move fluids that would corrode or damage other types of pumps. They provide broad chemical resistance and are less costly and lighter in weight than metal pumps.
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Plastic valves are made from plastic materials and are used in applications that require corrosion resistance and/or chemical handling.
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Plugin style surge suppressors plug into wall outlets to protect equipment from transient overvoltages.
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Pneumatic lubricators in compressed air lines atomize oil into aerosol form for injection into the air stream to lubricate downstream pneumatic tools, cylinders, motors, and valves.
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Position probes measure the position of a target surface, usually with a high degree of accuracy. This search form covers many different linear position products.
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Positive displacement flow meters measure the volume or flow rate of a moving fluid or gas by dividing the media into fixed, metered volumes. These devices consist of a chamber that obstructs the media flow and a rotating or reciprocating mechanism that allows the passage of fixed-volume amounts.
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Positive displacement pumps use a mechanical force such as gears, bladders, pistons, plungers or diaphragms to push liquid through and out of the pump.
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Power meters are used for high-accuracy measurements of power over a wide-frequency bandwidth, and from both AC and DC circuits.
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Power supplies are devices that produce AC or DC power. This grouping includes current sources, DC power supplies, AC-DC adapters, DC-DC converters, AC power sources, and DC-AC inverters.
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Power transformers convert power-level voltages from one level or phase configuration to another. They can include features for electrical isolation, power distribution, and control and instrumentation applications.
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Pressure controllers accept input from pressure sensors, transmitters, gauges, and other devices and subsequently control adjustment to the pressure to maintain or achieve the desired pressure level.
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Pressure gauges are used for a variety of industrial and application-specific pressure monitoring applications. Uses include visual monitoring of air and gas pressure for compressors, vacuum equipment, process lines and specialty tank applications such as medical gas cylinders and fire extinguishers.
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Pressure instruments are used to measure, monitor, record, transmit or control pressure.
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Pressure sensors include all sensors, transducers and elements that produce an electrical signal proportional to pressure or changes in pressure.
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Pressure switches are actuated by a change in the pressure of a liquid or gas. They activate electromechanical or solid-state switches upon reaching a specific pressure level.
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Pressure transmitters translate the low level output of a sensor or transducer to a higher level signal suitable for transmission to a site where it can be further processed. These devices include pressure sensors, transducers, elements, and instruments.
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Programmable automation controllers (PAC) are compact industrial controllers used in applications such as data acquisition and control, machine vision control, and process control. PACs are functionally similar to programmable logic controllers (PLC), but provide the advanced software features of personal computers (PC).
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Programmable logic controllers (PLCs) are the control hubs for a wide variety of automated systems and processes. They use a wide variety of inputs and outputs and provide network capability.
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Proximity sensors, all types is a general search form for all proximity sensors and presence detection product areas.
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Pushbutton enclosures are either rectangular or wedge shaped (sloped front or top surface) and have cutouts for mounting pushbuttons. They are usually mounted on walls or pedestals.
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Pushbutton switches are mechanical switches defined by the method used to activate the switch. The activation method is typically in the form of a plunger that is pushed down to open or close the switch.
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Rack enclosures (rack cabinets, laboratory enclosures) are used to house standard 19 in. rack-mounted components or other standard-sized devices.
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Radiant flat panel heaters are used to heat objects via radiant heat transfer.
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Radiant heater elements are used with radiant flat panel and radiant reflective heaters.
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Radiant heaters use a reflective shield to direct radiant heat onto a heated surface.
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Refractometers measure the critical angle of refraction through a sample. The critical angle of refraction will change with concentration.
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Resistance standards and decade boxes provide a highly accurate standard value of resistance for calibration and testing.
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Resistive temperature device (RTD) elements are wire windings or other thin-film serpentines that exhibit changes in resistance with changes in temperature. They are usually made of metallic elements or alloys such as copper, nickel, or nickel-iron.
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RF receivers are electronic devices that enable a particular radio signal to be separated from all others being received and converted into a format for video, voice, or data.
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RF transceivers are electronic devices that receive and demodulate an RF signal, then modulate and transmit a new signal.
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RF transmitters are electronic devices consisting of an oscillator, modulator, and other circuits that produce an RF signal.
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Robotic end effectors are quick-change mobile robotic systems that can deploy tools.
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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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Rotary position sensors include potentiometers, resolvers and a variety of magnetic and capacitive technologies. Sensors are designed for angular displacement less than one turn or for multiturn displacement.
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Rotary switches move in a circle and can stop in several positions. There are two basic styles: single-deck and multi-deck.
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RTD temperature probes convert the RTD resistance measurement to a current signal, eliminating the problems inherent in RTD signal transmission via lead resistance.
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Resistance temperature detector (RTD) temperature transmitters convert RTD resistance measurements to current signals, eliminating the problems inherent in RTD signal transmission via lead resistance.
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Sanitary pumps are used to transport and meter solutions, slurries, and colloids of food and agricultural materials in operations such as food processing that require cleanliness. There are four basic types of sanitary pumps: centrifugal, positive displacement, jet, and airlift.
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Sanitary valves are designed for applications requiring clean or sterile processing.
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Scales and balances are used to measure static or dynamic loads for a wide range of industrial applications.
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Sensor transmitters are measurement or signal conditioning packages that provide a standard, calibrated output from a sensor or transducer in the form of a current loop output (e.g., 4-20 mA).
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Signal amplifiers accept signals from sensors and other devices and amplify them to levels suitable for further processing or digitization by computer elements.
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Signal conditioning products provide amplification, filtering, converting, and other processes required to make sensor output suitable for reading by computer boards.
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Signal converters contain inputs for one type of signal and outputs of another. Features can also include filtering and amplification or attenuation.
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Signal filters block or decrease (attenuate) unwanted frequencies or signal wave characteristics.
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Slip rings are metal rings that provide a continuous electrical connection through brushes on stationary contacts. They are generally mounted on the rotating part of a machine.
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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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Solenoid valves are devices that use a solenoid to control valve activation.
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Solid state relays (SSR) or semiconductor relays are semiconductor devices that can be used in place of mechanical relays to switch electricity to a load in many applications.
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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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Specialty or proprietary products and accessories related to cabinets, racks and enclosures.
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Specialty or proprietary products related to environmental sensors and instruments.
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Specialty industrial process controllers are used in unlisted, specialized or proprietary applications.
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Specialty relays and accessories are specialty or proprietary products and accessories related to relays.
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Spectrometers are analytical instruments which disperse an emission (such as particles or radiation) according to some property of the emission (such as mass or energy) in order to measure the amount of the dispersion. This product area includes visible, infrared (IR), ultraviolet (UV), atomic absorption (AA), optical emission (OE), Raman, X-ray fluorescence (XRF) and mass spectrometers. Specific search forms are also available.
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Static or motionless mixers are fins, obstructions, or channels mounted in pipes, designed to promote mixing as fluid flows through the mixer.
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Steam valves are used to control the flow and pressure level of steam and heated water vapor.
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Stepper motor drives power unipolar and bipolar stepper motors in full step, half step, and microstep motion control applications.
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Stepper motors use a magnetic field to move a rotor in small angular steps or fractions of steps. They provide precise positioning and ease of use, especially in low acceleration or static load applications.
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Strain gauges are measuring elements that convert force, pressure, tension, etc., into an electrical signal.
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Strip heaters are clamped onto objects and used to heat a variety of different materials. Strip heaters can also be used to heat air or objects radiantly.
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Stroboscope instruments are used for inspection and observation of moving parts by freezing or slowing down the action of an object.
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Surge suppressors are used to protect equipment from transient overvoltages in power, data, and telephone circuits.
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Switches are used to allow electric current to flow when closed. When opened, they prevent current flow. Common switch types include pushbutton, rocker, toggle, rotary coded DIP, rotary DIP, key lock, slide, snap action, and reed.
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Switching power supplies are DC sources that use a switching element (normally a power transistor) to generate the desired voltage. Switching power supplies are also called switch-mode products or switching mode power supplies (SMPS).
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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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Telemetry receivers and telemetry transmitters are data acquisition components used to gather information from remote locations via wireless communication.
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Temperature controllers accept inputs from temperature sensors or thermometers, and then output a control signal to keep the temperature at the desired level.
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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 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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Temperature probes are used in various temperature sensing applications. Technology options include thermocouple, RTD, thermistor and solid state style probes.
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Temperature sensors are measurement devices that infer temperature by sensing some physical characteristic (i.e. resistance, emf or thermal radiation).
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Temperature signal conditioners accept outputs from temperature measurement devices such as resistance temperature detectors (RTDs), thermocouples, and thermistors. They then filter, amplify, and/or convert these outputs to digital signals, or to levels suitable for digitization.
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Tension meters are instruments that measure tension in cable, fiber, belts and webs, or sheets.
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Thermistor temperature probes sense temperature by using thermistors, devices made of semiconductor materials which exhibit a large change in resistance for a small change in temperature.
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Thermistors are thermally-sensitive devices whose electrical resistance varies with temperature. Unlike RTDs and thermocouples, thermistors do not have standards associated with their resistance vs. temperature characteristics or curves.
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Thermocouple elements are temperature sensors that are useful over a wide range of temperatures. Thermocouples are formed by two dissimilar metals.
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Thermocouple simulators and resistance temperature detector (RTD) simulators provide precise standard values of resistance or voltage for simulation and calibration.
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Thermocouple temperature probes are bimetallic style probes used for various temperature sensing applications.
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Thermocouple temperature transmitters convert the small millivolt output of a thermocouple to a current signal (typically 4-20 mADC) that is immune to noise and voltage drops over a long distance.
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Thermostats and thermal switches are electro-mechanical on/off switches that are activated by temperature changes. They are typically used to control heating and cooling systems.
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Thermowells are designed to accept numerous types of temperature probes. They are used to easily facilitate the repair of temperature sensing devices without interrupting the process being monitored.
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Time delay relays and solid state timers use solid state electronic devices to provide a time delay.
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Torque sensors, gauges, instruments, and switches are used to measure torque in a variety of applications.
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Tower lights, stack lights and machine lights are used for alarm and machine status indication. They can be supplied with audible alarms and be used as flashers or steady light configurations.
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Tubing is used to transport fluid and gas in pneumatic, hydraulic, or process applications. Tubing differs from pipe in that tubing's outside diameter or size is controlled and used for product designation.
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Tubular heaters are generally used in custom heating applications. Base (tubular) heating elements can be bent into standard or custom shapes.
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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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Turbine flow meters measure the rate of flow in a pipe or process line via a rotor that spins as the media passes through its blades.
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Ultrasonic flow meters use sound waves to determine flow rates. They can be either Doppler Effect meters or Time-of-Flight meters.
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Universal process controllers constitute a broad area of control devices that may be employed in the monitoring and control of many different process variables, including temperature, pressure, flow and other values.
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Vacuum gauges are devices for measuring vacuum or sub-atmospheric pressures.
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Vacuum sensors are devices for measuring vacuum or sub-atmospheric pressures.
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Gas flow switches and liquid flow switches, velocity, are used to measure the flow or quantity of a moving fluid in terms of velocity, such as feet per minute.
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Vibration sensors cover sensors and other instruments used for measuring vibration and acceleration.
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Voltage converters and voltage inverters accept voltage input and provide a scaled voltage output. Conversion types include scaling up a low-level signal, voltage doubling, and inversion (converting a positive voltage to negative and vice versa).
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Voltage dividers and voltage references provide highly-accurate reference voltages for calibration and testing purposes.
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Voltage-to-frequency converters accept a voltage signal and convert its analog level to a signal with a corresponding frequency.
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Volumetric gas flow switches are devices with a switch output used for measuring the flow or quantity of a moving gas in terms of a unit of volume per unit time, such as cubic feet per minute.
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Volumetric liquid flow switches measure the flow or quantity of a moving fluid in terms of a unit of volume per time, such as liters per minute. These flow sensing devices have a switch output.
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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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Wastewater pumps are used in the collection of sewage, effluent, drainage and seepage water.
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Water heaters are gas, oil or electric-fired devices used to heat water for residential and commercial use.
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Water pumps are designed to move water that does not contain suspended solids or particulates. Applications include water supply, irrigation, land and mine drainage, sea water desalination, and condensate transport.
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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 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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Water valves are designed to handle and control hot water, cold water, ground water, potable water, salt water and/or wastewater. They are made from metal or plastic.
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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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Weigh modules are subassemblies designed to be mounted to tanks, trucks, bins, silos and other applications requiring the incorporation of an integrated weighing system.
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Wire and cable harness accessories are used to bundle, clip, clamp, label, guide, and protect wires and cables.
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