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Linear Position Sensors

LVDT and LVIT - Linear Position Sensors for Industrial Applications

View all our Linear Position Sensor Products here. Find the right one for you application. We offer LVDT, LVIT and Linear Potentiometers. We can offer solutions for most linear position application challenges.

Need help deciding which sensors is right for your application? Have questions about a particular product? Speak to an experienced application engineer at H. G. Schaevitz Alliance Sensors Group by calling us at 856-727-0250 or contact us by clicking here.

AC LVDT Linear Position Sensors PGSD Series for Power Generation Steam Control Valves

 Linear Position Sensors Specifically Designed and Engineered for Applications in Power Generating Steam Turbine Control Systems

The Alliance Sensors Group PGSD Series linear sensors are the first LVDT-based valve position sensors designed and engineered specifically for applications in electric power generating steam turbine control systems. Many features of the Alliance Sensors Group PGSD Series Position Sensors were requested by power gen controls engineers and are embodied in the PGSD Series Super Duty LVDT. The PGSD Series Position Sensors are available in full ranges from 3 to 15 inch, (76 to 380 mm).  

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AC LVDT Position Sensor Heavy Duty LA-25-A Series

Alliance Sensors Group LA-25-A series LVDT linear position sensors are designed to handle extreme industrial environments. This robust linear sensor has a thick wall aluminum housing (also available in stainless steel), a core enclosed inside of the core extension rod assembly that cannot break loose, while offering a sturdy male thread for easy mechanical connection, and a pair of double contact shaft seals to keep fluids and solid contaminants out of its bore. The sensor’s electrical termination includes the choice of an axial connector or a cord grip with a cable.
An LA-25-A LVDT is ideal for roller gap positioning, head box feedback, process ...

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AC LVDT Linear Position Sensor LA-27-A Series

Alliance Sensors Group LA-27-A series LVDT linear position sensors are designed to handle extreme industrial environments. This robust linear sensor has a thick wall aluminum housing (also available in stainless steel), a core enclosed inside of the core extension rod assembly that cannot break loose, while offering a sturdy male thread for easy mechanical connection, and a pair of double contact shaft seals to keep fluids and solid contaminants out of its bore. The sensor’s electrical termination includes the choice of an axial connector or a cord grip with a cable.
An LA-27-A LVDT is ideal for roller gap positioning, head box feedback, process ...

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AC LVDT Linear Position Sensors PGHD Series Power Generation Steam Control Valves

Alliance Sensors PG Series LVDT linear position sensors are designed and engineered specifically for steam turbine valve position control system applications in electric power plants. Many of the features incorporated in the design were actually requested by power generation controls engineers. PG sensor models include the PGHD Heavy Duty LVDT and the PGSD Super Duty LVDT. Both PG versions are available on special order as mild radiation resistant for operation in BWR nuclear power plants. The PG Series LVDT linear sensors are heavy duty, from the wire connection terminal block inside an IP-68 sealed heavy wall housing to the 3/8 inch outside diameter core rod ...

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LVIT Linear Position Sensor LV-45 Series

Alliance Sensors Group LV-45 series LVIT (Linear Variable Inductance Transducer) position sensors are specifically targeted for measuring applications requiring rugged devices, whether measuring position of steam turbine valves, mounted in a paper mill head box or calender roll stand, or operating outdoors fastened to a bridge or structure. LV-45 sensors use a contactless inductive technology that allows them to replace other technology sensors like potentiometers and DC LVDTs in most applications. With a simple coil design, a captive connecting rod, and a thick-walled housing, the sensors are both shorter and more robust than their DC-LVDT counterparts while ...

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LVIT Linear Position Sensor LRL-27 Series

Alliance Sensor Group’s LRL-27 series LVIT (Linear Variable Inductance Transducer) contactless position sensors complement the LR series devices with extended ranges up to 18 inches (450 mm) in a compact package. These sensors are designed for use in factory automation systems and a wide variety of industrial and commercial applications. Cost effective high-end performance and excellent stroke-to-length ratios make these sensors ideal choices for practically any industrial application.

LRL-27 sensors are offered in 6 nominal ranges from 200 to 450 mm (8 to 18 inches). Operated from a variety of DC voltages, these sensors offer ...

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LVIT Linear Position Sensor LR-27 Series

Alliance Sensor Group’s LR-27 series LVIT (Linear Variable Inductance Transducer) inductive position sensors are heavy duty contactless devices designed for factory automation systems and a variety of industrial and commercial applications such as solar cell positioners, wind turbine prop pitch and brakes, chute or gate positioners on off-road or agri-vehicles, and packaging machinery. The modular design, high end performance, and excellent stroke-to-length ratio make the LR-27 sensors an ideal choice for in-plant or mobile equipment OEMs.
LR-27 series sensors are currently offered in 4 full scale ranges from 50 mm to 150 mm (2 to 6 inches). ...

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AC LVDT Linear Position Sensors PGxR Mild Radiation Resistant Series Power Generation Steam Control Valves

LVDT Position Sensor Power Generation Control Valve

Specifically Designed and Engineered for Applications Where Radiation is Present in Power Generating Steam Turbine Control Systems

The Alliance Sensors Group PGxR Series linear sensors are the first LVDT-based valve position sensors designed and engineered specifically for applications in electric power generating steam turbine control systems where radiation is present. Materials selected for the Alliance Sensors Group  PGxR Sensors allow the sensor to survive a dose of 30 Mrads for 40 years. The PGxR series comes in 2 versions- the PGHR heavy duty LVDT and the PGSR super duty LVDT. PGxR Series sensors are available in full ranges of 3 inches 6 inches, 9 inches, 12 inches, and 15 inches.

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AC LVDT Position Sensor Heavy Duty LA-25-R Series

Alliance Sensors Group’s LA-25-R series of AC-LVDT linear position sensors have been designed for use in steel, aluminum, and paper mills; fluid power systems; and steam or hydro power plants. These heavy duty sensors use a thick wall aluminum housing (stainless steel available) with an open bore and radial terminations that include a cable in a cord grip, a heavy duty industrial connector, or an optional high temperature connector, with which the LA-25-R is a natural choice as a heavy duty replacement for older through-bore LVDTs with a radial connector found in some steam power plants for valve position.
The core of the LA-25-R is enclosed in a ...

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LVIT Linear Position Sensor LZ-33 Series

The LZ-33 Series of LVIT (Linear Variable Inductance Transducer) position sensors are contactless devices designed for frictionless measurement in factory automation or assembly machinery applications where space is a premium, as well as for external mounting on hydraulic cylinders to sense rod position. The LVIT is offered in nominal full scale ranges from 150 to 900 mm (6 to 36 inches) with an excellent stroke-to-length ratio, so that the sensor’s overall length is only 76 mm (3 inches) longer than the linear range of the unit. The sensor has a 33.4 mm (1.315 inch) outside diameter aluminum or optional stainless steel body with a 1 or 3 m radial cable ...

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LVIT Spring Loaded Linear Postion Sensor GHS-19 Series

The GHS-19 series of LVIT (Linear Variable Inductive Transducer) spring-loaded position sensors by Alliance Sensors Group are contactless devices designed for dimension measurements in QA labs, or position measuring applications in factory automation systems and in various industrial and commercial applications such as automotive testing, mil/aero test stands, robotic arms, and packaging equipment, where the sensing element cannot be attached to the object being measured. GHS-19s are offered in nominal full scale ranges from 6.35 to 100 mm (0.25 to 4.0 inches) with excellent resolution and high stroke-to-body-length ratios. The maximum tip contact force ...
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AC LVDT Position Sensor Heavy Duty LA-27-R Series

Alliance Sensors Group’s LA-27-R series of AC-LVDT linear position sensors have been designed for use in steel, aluminum, and paper mills; fluid power systems; and steam or hydro power plants. These heavy duty sensors use a thick wall aluminum housing (stainless steel available) with an open bore and radial terminations that include a cable in a cord grip, a heavy duty industrial connector, or an optional high temperature connector, with which the LA-27-R is a natural choice as a heavy duty replacement for older through-bore LVDTs with a radial connector found in some steam power plants for valve position.
The core of the LA-27-R is enclosed in a ...

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Dimensional Gaging Probes DGP Series

The DGP Series Dimensional Gaging Probes by Alliance Sensors Group are AC-LVDT based, spring-loaded linear position sensors designed for high precision dimensional gaging applications. Widey used in the automotive, aerospace, and medical industries for machined parts manufacture, Gage R&R, and CpK data, the DGP Series has the precision necessary to make measurements to uphold six-sigma programs. Available in three ranges, the DGP Series spring loaded LVDT has an 8mm diameter, IP-65 rated housing that is slightly shorter than most competitive units. A light spring force of less than 1.25 lbs/inch holds the DGP probe in contact with the part but is light enough ...
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LVIT Linear Position Sensor LZ-25 Series

The LZ-25 Series of LVIT (Linear Variable Inductance Transducer) position sensors are contactless devices designed for frictionless measurement in factory automation or assembly machinery applications where space is a premium, as well as for external mounting on hydraulic cylinders to sense rod position. The LVIT is offered in nominal full scale ranges from 50 to 900 mm (2 to 36 inches) with an excellent stroke-to-length ratio, so that the sensor’s overall length is only 38 mm (1.5 inches) longer than the linear range of the unit. The sensor has a 25.4 mm (1 inch) outside diameter aluminum or optional stainless steel body with a 1m radial cable for I/O ...

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AC LVDT Linear Position Sensor LA-9.5 Series

The LA-9.5 series miniature AC-LVDT (Linear Variable Differential Transformer) linear position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are contactless devices designed for industrial and commercial applications such as factory automation, automotive test stands, solar cell positioners, robotic assembly systems, packaging equipment, and motor sports vehicles. Their compact size, superior performance, and excellent stroke-to-length ratio, make the LA-9.5 AC LVDT sensors ideal for use in test and measurement laboratories, industrial automation equipment, and many OEM positioning applications.


LA-9.5 series AC-LVDTs are ...

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AC LVDT Posiiton Sensor LA-19-A Series

The LA-19-A series AC-LVDT (Linear Variable Differential Transformer) linear position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are contactless devices designed for industrial and commercial applications such as factory automation, metal and paper mills, valve position, robotic assembly systems, and engine throttle position feedback. These general purpose linear position sensing devices have excellent price-to-performance and stroke-to-length ratios, making the LA-19-A AC-LVDT sensors ideal for use in test and measurement laboratories, industrial automation equipment, and many OEM positioning sensing applications.

LA-19-A series AC-LVDTs ...

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AC LVDT Position Sensor LA-20.6 Series

The LA-20.6 series AC-LVDT (Linear Variable Differential Transformer) linear position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are contactless devices designed for industrial and commercial applications such as factory automation, metal and paper mills, valve position, robotic assembly systems, and throttle position feedback. This general purpose linear device has excellent price-to-performance and stroke-to-length ratios, making the LA-20.6 AC-LVDTs ideal for use in test and measurement laboratories, industrial automation equipment, and many OEM positioning applications.

LA-20.6 series AC-LVDTs are offered in 11 ranges from ...

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AC LVDT Spring Loaded Linear Position Sensor LAS-19-A Series

The LAS-19-A series AC-LVDT (Linear Variable Differential Transformer) linear position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are spring loaded, hermetically sealed, contactless devices designed for industrial and commercial applications such as factory automation, metal and paper mills, valve position, robotic assembly systems, pharmaceutical and food manufacturing, and outdoor or wet environment applications. This ruggedized linear device has excellent price-to-performance and stroke-to-length ratios, making the LAS-19-A AC-LVDT sensors ideal for use in power generation and industrial automation equipment, and many OEM positioning ...

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AC LVDT Spring Loaded Position Sensor LAS-19-R Series

The LAS-19-R series AC LVDT (Linear Variable Differential Transformer) linear position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are spring loaded, hermetically sealed, contactless devices with a radial connector, designed for industrial and commercial applications such as factory automation, metal and paper mills, valve position, various robotic assembly systems, pharmaceutical and food manufacturing, and outdoor or wet environment applications. This ruggedized linear device has excellent price-to-performance and stroke-to-length ratios, making the LAS-19-R AC LVDT sensors ideal for use in power generation and industrial automation ...

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AC LVDT Position Sensor Hermetically Sealed LHA-19-A Series

The LHA-19-A series AC LVDT (Linear Variable Differential Transformer) linear position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are hermetically sealed, contactless devices designed for industrial and commercial applications such as factory automation, metal and paper mills, valve position, robotic assembly systems, pharmaceutical and food processing, and outdoor wet environment applications. These ruggedized linear devices have excellent price vs performance and stroke-to-length ratio, making the LHA-19-A AC-LVDT sensors ideal for use in power generation and industrial automation equipment, and many OEM positioning ...

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LP-22 Series Linear Potentiometer

The LP-22 series linear potentiometer is a cost effect solution for factory automation linear position sensing applications like robotic motion control, X-Y table position feedback, flow control valve position, suspension travel, press and die position, injection molding machines, and mil/aero test stand applications. This 3-wire resistive film sensor is available in stroke lengths from 25 to 300 mm, with a maximun linearity error of 0.1% of full scale. The sensor is provided with swivel rod eyes at each end for self-alignment and easy mounting. A 22 mm diameter anodized aluminum housing rated IP-64 protects the unit from airborne contaminants, and the sensor is ...
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AC LVDT Linear Position Sensor Hermetically Sealed LHA-19-R Series

The LHA-19-R series AC-LVDT (Linear Variable Differential Transformer) linear position sensors by H.G. Schaevitz LLC dba Alliance Sensors Group are hermetically sealed, contactless devices with a radial connector, designed for industrial and commercial applications such as factory automation, metal and paper mills, valve position, robotic assembly systems, pharmaceutical and food manufacturing, and wet environment applications. These ruggedized linear devices have excellent price vs performance and stroke-to-length ratio, making LHA-19-R  AC-LVDT sensors ideal for use in power generation and industrial automation equipment, and many OEM positioning ...

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LVIT Linear Position Sensor LZ-19 Series

The LZ-19 Series of LVIT (Linear Variable Inductance Transducer) position sensors are contactless devices designed for use in factory automation or assembly machinery applications where space is a premium, as well as for external mounting on pneumatic cylinders to sense rod position. The LVIT is offered in nominal full scale ranges from 2.5 to 750 mm (0.1 to 30 inches) with an excellent stroke-to-length ratio. The sensor has a 19 mm (3/4 inch) outside diameter stainless steel or optional aluminum body with a 1m axial cable for I/O connections. The 6 mm (0.236 inch) diameter through-bore of an LZ-19 provides clearance for its 5.2 mm (0.2.00 inch) diameter, ...
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Our Technical Support Staff:  We have more than 150 years and three generations in the position sensor business and are expert application engineers at what we sell. We have real world experience and know how to solve your measurement challenges. Need technical help with your measurement application? Call us today 856-727-0250. 

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Speak to an experienced application engineer at H. G. Schaevitz Alliance Sensors Group by calling us at 856-727-0250 or contact us by clicking here.

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