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Sensors • Position Sensors

Either linear or angular, position sensors are used in hazardous/extreme industrial environments and automated industrial process machinery.Three of the most common output signal types for linear position sensors are analog, time-based digital, and serial digital. The majority of linear position sensors used in industrial automation processes are analog output.  Common voltage output ranges of linear position sensors are 0 to 10 Vdc and -10 to 10 Vdc 0 – with common current output ranges of 0 to 20 mA and 4 to 20 mA.There are a number of position sensor types including: inductive non-contact, string potentiometer, variable differential transformer, potentiometer, capacitive transducer, eddy-current, Hall effect, proximity (optical), grating, rotary encoder (angular), seismic displacement pick-up, piezo-electric transducer, rotary position, tilt position, and intrinsically safe.

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  • Lion Precision Inc.

    Lion Precision features five varieties of position sensors that can be used for automation, machine tool monitoring, final assembly of precision equipment, and precision stage positioning. The ECL202 has a user-selectable maximum bandwidth up to 15 kHz. The ECL101 offers a maximum bandwidth of 80 kHz.

  • Macro Sensors, Div. of Howard A. Schaevitz Technologies

    Macro Sensors produces the RSE 1500 Series rotary position sensor, which offers contact-less, 360-degree rotation capability. The sensors are available for 0-, 30-, 60-, 90-, or 120-degree rotation ranges with a true 0-to-10 V DC unipolar output, and offer a resolution of 0.025% of FRO.

  • Novotechnik U.S., Inc.

    Novotechnik offers a wide range of non-contacting and potentiometric position sensors. Of the non-contacting position sensors, the FTI 10 Series of short stroke spring return sensors provides 10 mm stroke length, linearity up to 0.1%, and resolution better than 0.01 mm. The TLM Series magnetic marker offers linearity up to 50 mm and resolution up to 2 mm.

  • SICK, Inc.

    SICK position sensors are used for millimeter-accurate positioning in the storage and conveyor industries. The DMP2 operates with reflectors and allows for positioning at a distance between 200 mm and 2,000 mm. The DMP3 operates with cameras and can position at distances between 200 mm and 350 mm.

  • Spectec

    Spectec offers a variety of magnetic speed sensors and Hall Effect position sensors. The Hall effect gear position sensors are dual output configurations that detect the direction and position of a target gear. They are also used for rotation profiling, angle profiling and field profiling.

  • Balluff, Inc.

    Balluff offers a wide range of sensors for distance and position measurement, including a linear position transducer which offers absolute position feedback, with stroke lengths from 2" to 200". Inductive distance sensors provide analog output for short range distance measurement of metal targets, while photoelectric distance sensors provide analog output for short and long range measurement of targets, regardless of material. The company also manufactures magneto-inductive sensors and ultrasonic sensors.

  • Baumer Ltd.

    Baumer offers a wide variety of sensors for different applications. Its non-contact inductive proximity sensors detect metal to ensure the movement and position of machine parts, valves, and gears, and its photoelectric sensors can measure objects several meters away, with an accuracy of a tenth of a millimeter. The ultrasonic sensor measures up to 2.5 m away, and features a high resolution of 0.3 mm. The company's magnetic sensors can be used to detect precisely rotary movements, up to 20,000 measurements per second, and its magnetic cylinder sensors can be used in areas of automation to detect the movements of pneumatic cylinders and register the position of pistons.

  • CHERRY/ZF Electronics Corporation

    Cherry features magnetic proximity sensors, speed and direction sensors, and rotary position sensors. The MP Series of magnetic proximity sensors are available in a variety of threaded, flange-mount, and snap-fit configurations. The GS and SD Series sensors provides both industrial- and commercial-grade options that use Hall Effect technology to gather information on the speed and direction of transmissions. The AN Series of rotary position sensors are IP67 or IP68 sealed and EMI/ESD protected to withstand the severe environments in which many applications operate.

  • Delphi Corp.

    Delphi's digital speed and position sensors measure the speed and position of a target based on integrated adaptive threshold Hall Effect technology.  They are available in low, medium, and high switch point accuracy models, with a relative timing accuracy of 1 degree and a stability of 0.1 degree. The sensors are compatible with almost every automotive control module that accepts a digital input, as well as other miscellaneous product applications. The company also offers non-contact rotary position sensors in order to provide control data necessary for major chassis systems and other automotive and non-automotive application, such as pedal position, transmission gear selection, and agricultural equipment motion. Its output ranges from 0.25 V to 4.75 V, and its frequency response is 0 to 10 Hz with a maximum attenuation of 1.0 dB, or 50 Hz with a maximum attenuation of -3.0 dB.

  • Fife Corp.

    Fife makes an assortment of sensors to provide positioning data for electromechanical, electrohydraulic, pneumohydraulic, and manual applications. The Pro-Trac 100 Electromechanical (EM) Sensor Positioner offers a maximum length of 65"; it can be remote-control operated, and provides a digital readout in inches or millimeters, up to three digits. The Pro-Trac 200 is a heavy-duty positioner engineered for continuous operation, such as in chasing systems or moving-sensor center guide systems. The EM-8 can handle loads up to 1252 lbs, with strokes from 2" to 6", and can be fitted with hydraulic cylinders or electromechanical actuators. The EM-11 provides sensor mounting spans up to 60" with standard strokes up to 16". The M-12 Manual Sensor Positioner can be used for most fixed sensor center guiding applications, and offers strokes up to 32" to accommodate total web width variations up to 64".

  • Edmund Optics Inc.

    Edmund Optics has a selection of position detection products for both general and lab use electro-optics. The Coherent Lasercam Beam Profiler has a 1280 x 1024, 6.7um pitch CMOS sensor. The Linear Position Sensor Module measures beam displacement in the X and Y axes, and its values are accurate within 1% over the central 64% of the sensing area. The company also offers Position Sensitive Detectors (PSDs) in two types (segmented and lateral-effect) that can be used for beam alignment, position sensing, and angle measurement.

  • Electro-Sensors, Inc.

    Electro-Sensors offers five models of slide gate, shaft, and valve position sensors with absolute encoder-based feedback to an external device such as a PLC or an Electro-Sensors remote display unit. All models have a user-configurable measurement range, produce a 4-20 mA output, have a non-volatile memory, and have an easy 1-, 2-, or 3-point calibration. UL listed to Class I, Div I (C, D) Class II, Div I (E, F, G).

  • Everight Sensors Corp.

    Everight offers several linear position sensors that feature robust construction and multiple analog output options. They come in a variety of configurations: the L3 is embedded/port mounted, the L4 is flange mounted, the L13 is modular and free standing, the L14 is heavy duty and free standing, and the L50 is clevis base mounted. The operating specifications for each model includes non-linearity of less than 0.25% FSO and a frequency response of 300 Hz. The measurement range for the L3, L13, L14, and L50 is between 4" and 30", and for the short range L4, it is between 0.5" and 3". Similarly, the company offers a variety of rotary position sensors. The R30 is multi-mount and single-turn, the R31 is multi-mount and multi-turn, the R32 is flange-mount and single turn, the R33 is flange-mount and multi-turn, and the R34 is through-shaft and multi turn.

  • Murata Electronics North America, Inc.

    Murata has developed a range of sensing technologies that can detect heat, infrared, ultrasonic waves, vibration, acceleration, angular velocity, angular rotation, rotation, magnetism, and electrical fields. The company's rotary sensors, for example, are used for car and electronic equipment to identify rotation position, and are constructed from intermetallic compound semiconductors (InSb) combined with permanent magnets. The company's magnetic pattern recognition sensors also employ InSb with permanent magnets, giving them the ability to differentiate between bank note types and patterns that are printed with magnetic ink.

  • Positek Ltd

    Positek offers four main lines of position sensors: the linear position sensors (LIPS), rotary position sensors (RIPS), tilt position sensors (TIPS), and intrinsically safe sensors (IS) for hazardous environments. The LIPS line features nine different products that can be customized according to customer specifications, from 10 mm up to 600 mm. The five products in the RIPS and TIPS lines can also be customized, from the smallest angle rotary sensor (which can be calibrated to measure between 5 and 20 degrees) to the largest (which can be calibrated to between 10 and 80 degrees). The IS line is broken down into three series (X, E, and M) that ensure safety in the different atmospheres where an explosion could be possible.

  • BEI Sensors

    BEI Sensors offers both contacting and non-contacting rotary sensors, as well as linear sensors. The contacting rotary position sensors meet IP66/67 sealing requirements and provide operational life exceeding 10 million cycles. Several models can also resolve up to 3600 degrees of motion. The non-contacting Hall Effect rotary position sensors provide up to six turns with 2160 degrees of resolution and a linearity of +/-0.5%. Meanwhile, the contacting linear position sensors offer options capable of over one meter of travel and one million meters of operational life at temperatures up to 300 degrees Celsius. These devices can be incorporated into hydraulic/pneumatic cylinders, circuit boards, or other mechanical assemblies.

  • Dynamation Transducers Corp

    Dynamation Transducers Corporation produces an array of single-turn and linear motion transducers. Options on the single-turn side include the SF Precision Rotative Transducer, which comes in sizes 08 to 30 with a linearity between +/-1% down to +/-0.015%, and the 116-200 BFZ-SFZ, which offers continuous measure on 360 degrees and conformity from +/-1% to +/-0.35%. The linear transducers start with the 38 L, which is designed for precise measures of short travels (12.5 mm to 150 mm). The long travel option is the 139 L, which is side-actuated and provides a measurement range of 25 mm to 6000 mm.

  • Laser Technology, Inc.

    Laser Technology manufactures a variety of laser sensors, including the ULS APD-G universal sensor, which has four measurement modes and user selectable output power and frequency. The Impulse XL Industrial Sensor 12-V is an ultra-long rang option; it includes a 4x zoom scope, LCD readout, and serial connectivity. The Industrial Wide Beam Sensor is designed for applications limited to 4 to 20 mA output requirements, such as collision avoidance and proximity detection, and the Impulse 100 LR Industrial Sensor 12-VDC is a portable option that includes a 1x scope, hand strap, and padded carrying case.

  • Measurement Specialties, Inc.

    Measurement Specialties offers a broad range of position sensors, including rotary displacement sensors, tilt sensors (inclinometers), linear displacement sensors, magnetic encoders, and liquid level transducers. The AC and DC rotary sensors can measure position up to +/-60 degrees, and the company's tilt sensors come in both single and dual axis. Of the linear displacement sensors, the 0.375" diameter MHR Series has the shortest range (+/-0.005" to +/-2.0"_, while the 0.812" diameter XS-D Series has the longest (+/-1" to +/-10").

  • Sensor Systems, LLC

    Sensor Systems manufactures precision and semi-precision feedback potentiometers, as well as potentiometric and strain gauge-type pressure transducers. The company's nine models of linear motion potentiometers can be found with either square, round, or rectangular elements, strokes from up to 1 inch to 48 inches, and linearity as low as 0.02% to 0.5%. There are also 14 models of single-turn rotary motion potentiometers, such as the low cost VP and industrial LCP78, and four models of multi-turn motion potentiometers. Custom format potentiometers are also available.