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LVDT
Linear Variable Differential Transformer measures distance traveled in a straight line.
See Also: Linear Position Sensors
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Compression Deflectometers
LVDT
These general purpose deflection measurement devices are based on LVDT transducers. A variety of travels is available to suit a wide range of applications.
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Displacement Sensor Models Products
LVDT
Linear Variable Displacement Transformer (LVDT) sensors from Stellar Technology are used worldwide in the monitoring and gauging of pavement studies, mining equipment, oil & well drilling equipment, resistance weld stroke, valve position, and assembly processes. Take a look at all of our LVDT options below to find the displacement sensor that meets your application needs.
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LVDT Sensor Amplifiers
Analog Devices signal conditioning ICs, together with linear variable differential transformers (LVDTs), can be used to convert mechanical position to a dc voltage. The IC provides both the excitation for the LVDT and the output conversion to dc level with a user selectable gain. ADI LVDT signal conditioners are available to interface with a wide range of LVDTs, including half bridge and standard 4- and 5-wire.
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Displacement Sensing Products
Ideal for precise micro-position measurements, our miniature linear variable displacement transducers (LVDTs) provide accurate, repeatable measurement. Inductive contact, non-contact, slide, and spring-actuated sensors are available in various stroke lengths-- ideal in spaces where traditional LVDTs are too large. Our sensors operate in harsh environments over millions of cycles without degradation in performance
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Displacement Measurement Trainer Module
Unitech Scales And Measurements Pvt. Ltd
Displacement Measurement module comprises of LVDT with micrometer jig fitted on the base plate to give displacement to the core of LVDT. Digital 3½ digit indicator is supplied to read the displacement in mm.
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PXI/PXIe LVDT/RVDT/Resolver Simulator Module
41-670-XYZ-AABBCC
The 41/43-670 range is ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types, as well as resolvers. Available with up to four banks, each bank is capable of simulating the output of a single 5 or 6-wire VDT or resolver, or dual 4-wire utilizing a shared excitation signal. This allows the module to simulate up to 4 channels of 5 or 6-wire or 8 channels of 4-wire.
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High-Temperature Extensometers < 950 °C Capacitive
Is typically used in hot tensile applications with tube type furnaces and consist of a separate measuring unit and suspension arm assembly. The measuring unit uses an LVDT with a fixed travel that remains outside of the furnace, the arms are located mostly inside of the heating system and attach the specimen to the measuring unit.
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2 Channels, 28 Vrms Input, 10 kHz-20 kHz
LD4
A linear variable differential transformer (LVDT) is a type of electrical transformer/transducer used for measuring linear displacement (position). A counterpart to this device used for measuring rotary displacement is called a rotary variable differential transformer (RVDT). The RVDT is like an LVDT in that it measures a positional displacement, however, the displacement, which is still a linear proportional function, is based on rotary instead of linear positional movement.
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LVDT Signal Conditioner
NTC-6000
Quick and easy setup with front panel push buttons and LED indicatorsSelectable excitation frequency, analog outputs and bandwidthAutomatic excitation synchronization for multiple unit systemsSelf-diagnostics for LVDT failure, disconnect, or short circuitDigital communications via RS-485 2-wire multi-drop busHot swapability — setup can be saved and reloaded via RS-485 portCybersecurity lockout and tamper detectWorks with nearly any AC LVDT, RVDT, or LVRT half bridge
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DC to LVDT and DC to RVDT Converters
Computer Conversions Corporation
The SLVT Series are complete, low profile, continuously updating, single channel, Isolated Digital to LVDT Converters used to simulate the output of LVDT's (Linear velocity displacement transducers), RVDT's (Rotary...) and other phase/voltage sensitive AC devices. They provide a very precise linear AC voltage output proportionate to the magnitude of the input data, in or out of phase respective of the AC reference input as determined by the MSB of the input word (offset binary format).
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PXI/PXIe LVDT/RVDT/Resolver Simulator Module, 4-Banks
41-670-001-AABBCC
The 41/43-670-001 is ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types, as well as resolvers. It has four banks, each capable of simulating the output of a single 5 or 6-wire VDT or resolver, or dual 4-wire utilizing a shared excitation signal. This allows the module to simulate up to 4 channels of 5 or 6-wire or 8 channels of 4-wire.
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Inductive Sensors (LVDT)
induSENSOR
Micro-Epsilon offers a large range of inductive sensors for displacement and position measurement from conventional LVDT sensors and inductive sensors with integrated controller to customer-specific high-volume versions. The induSENSOR displacement sensors from Micro-Epsilon are used in automated processes, quality assurance, test rigs, hydraulics, pneumatic cylinders and automotive engineering.
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LVDT Displacement Sensors With Ball Swivel Heads
INELTA Sensorsysteme GmbH & Co. KG
This LVDT Series is made for a rough, industrial use. The housing having a diameter of 20mm is fastened "floating" to the application using two ball swivel heads. There is a diversity of displacements up to 200m possible.
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LVDT With Unguided Armature On Both Sides
INELTA Sensorsysteme GmbH & Co. KG
The amature is attached to the application, but still moves free inside the LVDT. The correct axial alignment is important. The pushrod moves without any contact.
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LVDT I/O Cards
CP3000
Computer Conversions Corporation
Universal AC Sensor interface digitizes up to 8 channels of individually Programmable Synchro, Resolver and LVDT/RVDT sensor inputs on a 3U cPCI (Compact PCI) and PXI Compatible plug-in circuit cardProduct allows users to interface into the widest variety of AC Position sensors all programmable within a single cardA must have for anyone using LVDT-RVDT's, Synchros and Resolver sensors or signals, electronic gauging, motion control, and instrumentation.
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4 Channels, 28-90 Vrms Input, 47 Hz-1 kHz
LD5
A linear variable differential transformer (LVDT) is a type of electrical transformer/transducer used for measuring linear displacement (position). A counterpart to this device used for measuring rotary displacement is called a rotary variable differential transformer (RVDT). The RVDT is like an LVDT in that it measures a positional displacement, however, the displacement, which is still a linear proportional function, is based on rotary instead of linear positional movement.
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PXI/PXIe LVDT/RVDT Simulator Module, 2-Banks
41-670-103-AABBCC
The 41/43-670-103 is ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types. It has two banks, each capable of simulating the output of a single 5 or 6-wire VDT or resolver, or dual 4-wire utilizing a shared excitation signal. This allows the module to simulate up to 2 channels of 5 or 6-wire or 4 channels of 4-wire.
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Digital LVDT sensor ZET 7111-L
ZET 7111-L is a digital LVDT displacement sensor. It requires no special adjustment and starts measuring right after power is on. Displacement measured values are transferred in digital form via CAN interface. The LVDT digital sensor consists of a primary transducer (LVDT sensor) and a measuring element (ZET 7111-L unit). The LVDT sensor converts meaured object (to which it is mechanically connected) linear displacement into electric signal to be further transferred into displacement values by the measurement module.
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PXI/PXIe LVDT/RVDT/Resolver Simulator Module, 2-Banks
41-670-003-AABBCC
The 41/43-670-003 is ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types, as well as resolvers. It has two banks, each capable of simulating the output of a single 5 or 6-wire VDT or resolver, or dual 4-wire utilizing a shared excitation signal. This allows the module to simulate up to 2 channels of 5 or 6-wire or 4 channels of 4-wire.
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Acquisition Of 8 Displacement Transducers
APCI-3701-8
PCI interface to the 32-bit data bus Acquisition of 16 or 8 inductive displacement transducers (Half Bridge, LVDT) 8 or 16 input channels ± 10 V 16-bit resolution Measuring frequency up to 100 kHz Conversion can be triggered through software End of conversion can be inquired through software Possibility of interrupt through digital input channels (when a data or a time value is exceeded) PCI-DMA access Onboard FIFO buffers Sequence RAM 16 isolated digital I/O, 24 V Software operation Supported inductive transducers for APCI-3701Standard board APCI-3701-8 or APCI-3701-16Transducer type:
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LVDT Displacement Sensors "Economy Series"
INELTA Sensorsysteme GmbH & Co. KG
With a higher Rel. linearity error and a smaller Operation temperature range as well as a simplified type of construction, these LVDTs can be poduced and sold cheaper.
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Spring Loaded LVDT Position Sensors
Gage head LVDTs are ideal for industrial environments requiring a reliable and rugged sensor. With near infinite resolution and excellent repeatability, these spring-loaded LVDTs are ideal for quality testing and gaging with several customization options available.
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Signal Conditioner As Circuit Board Module
INELTA Sensorsysteme GmbH & Co. KG
For LVDT Displacement Sensors, DMS Force Sensors
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LVDT to Digital and RVDT to Digital Converters
Computer Conversions Corporation
LVDT Displacement transducers accurately measure position and displacement. The strength of the LVDT is in its principle of operation. As LVDT sensors are inductive, there is no electrical connection across the sensor, which ensures clean, accurate data and a long life.
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MINITAURs - 8-channel universal DAQ system
MINITAUR-S
Mixed signal 8-channel data acquisition system and multichannel data logger with cutting-edge technology at an attractive price. Universal analog inputs can accommodate various signals like strain gage, IEPE, voltage, current, RTD, thermocouple, and LVDT.
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Measurement Amplifier In Rugged IP65 Housing
INELTA Sensorsysteme GmbH & Co. KG
For DMS Force Sensors and LVDT
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Digital to LVDT RVDT Converters
ST-DLVT
Computer Conversions Corporation
ST-DLVT series - Complete Digital to LVDT RVDT Converters On PCB with Mounting Track having Screw-Terminal Block for ease of wiring. 2 or 3-4 wire output configurations, Isolated Reference & Signals, 3V and 5V logic Compatible
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Demodulator
LVDT-9312
LVDT 9312 is a compact, reliable and highly versatile LVDT/RVDT conversion module.
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PCI Bus Synchro - Resolver - LVDT I/O Cards
PCI Synchro
Computer Conversions Corporation
Proven "Whole" Std. ConvertersOptimized Thermal ManagementExternal Synchro AMP I/O100% Transformer Isolated I/OPermits 2 wire X/Y Stators(Air)No External Parts or Power RequiredReference Powered(NAVAL) Options10-16 BIT Resolution ProgrammableVirtually Indestructible Outputs1.2 to 4.5VA High Power ModelsMix/Match Input & Output TypesSimultaneous Fine/Coarse Transmit For Multispeed Outputs
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Linear Variable Differential Transformers (LVDTs)
Whilst there are several ways to measure displacement, the Linear Variable Differential Transformer (LVDT) remains a popular transducer in most industrial applications. LVDTs initially were used as a means of taking dimensional readings in laboratories. They gained popularity in a wide variety of industrial monitoring and control applications, and whilst an LVDT is used to measure displacement the technology can be employed within other transducer types.
