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LVDT

NewTek LVDT position sensors serves as long-life replacements for failing potentiometers

April 20, 2022 By Mike Santora

LVDT Repeatability & No Drift

NewTek Pre-calibrated Linear Position Sensors serve as long-term replacements for potentiometers (pots) that become unreliable over time due to their contacting operation and effects from vibration and other environmental parameters. As potentiometers rely on mechanical contact to provide position feedback, components wear out and are affected by heat, vibration, and humidity, making output progressively noisier […]

Filed Under: LVDT Tagged With: newtek

LVDT Position Sensors handle extreme pressures, high/low cryogenic temperatures

January 25, 2022 By Aimee Kalnoskas

NewTek offers a customized version of its high-temperature LVDT position sensor for material testing in environments with extreme pressures and high/low cryogenic temperatures. Configured to operate in temperatures exceeding 1000°F (538°C), the NT-HT-1000 Linear Displacement Sensor is used for materials testing in autoclaves and material deformation testing in labs and nuclear applications. Available in configurations […]

Filed Under: LVDT, Position Tagged With: newtek

LZ-19 Series LVIT linear position sensor

March 18, 2021 By Mike Santora

LZ-19 SS_0

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 […]

Filed Under: LVDT, Position Tagged With: alliancesensorsgroup

Signal conditioner handles digital/analog comm for AC-LVDTs, RVDT, or LVRT half-bridge sensors

March 12, 2021 By Redding Traiger

The NewTek NTC-6000 Qwik-Cal LVDT Signal Conditioner completes the measurement system for AC-operated LVDTs by providing the excitation and digital output required by many of today’s laboratory, industrial automation, and process control applications. Without internal electronics, AC-LVDTs can operate in extreme environments but require the NTC-6000 Signal Conditioner to convert position feedback into readable output […]

Filed Under: Industry Standards/Specifications, LVDT, Sensors Tagged With: newtek

ICs for interfacing inductive sensors, Part 1

March 1, 2021 By Bill Schweber

inductive sensors

Designers who use inductive proximity sensors have a choice of high-performance signal-conditioning interface ICs, each offering different sets of features, functions, and capabilities. In the two preceding features (see Related EEWorld Content), we looked at the inductive proximity sensor and its basic operation but did not look at the electronic interface circuit for this widely […]

Filed Under: Featured, Frequently Asked Question (FAQ), Inductive, LVDT, Position Tagged With: FAQ

How is LVDT technology used for sensing?

February 15, 2021 By Randy Frank

Linear variable-differential transformer (LVDT) technology’s capability to accurately measure linear movement is used to provide a position to electrical output for pressure, acceleration and force measurements. For example, in a pressure sensor, the sensing element is a diaphragm that moves a rod or cylindrical core inside the coils of a differential transformer to change the […]

Filed Under: Featured, Frequently Asked Question (FAQ), LVDT, Pressure Sensor Tagged With: TE Connectivity

LHA-19-R series hermetically sealed AC-LVDTs

February 3, 2021 By Paul Heney

Alliance Sensors Group, a div of H.G. Schaevitz LLC, has expanded its linear position sensor line with the LHA-19-R series AC-LVDTs (Linear Variable Differential Transformers). These rugged yet high precision linear sensing devices are hermetically sealed, contactless devices with a radial connector designed for industrial and commercial applications such as factory automation, metal and paper […]

Filed Under: LVDT Tagged With: alliancesensorsgroup

NewTek contactless rotary position sensors

February 1, 2021 By Mike Santora

RV-8-30 Series Rotation

NewTek Sensor Solutions offers the RV series of rotary position sensors that measure and provide feedback on the rotary displacement of rotating elements in industrial benchtop and test and measurement applications. While featuring a full 360° mechanical range, these RVDTs provide an output proportional to shaft rotation over a range of ±30° or more in […]

Filed Under: LVDT, Rotary Tagged With: newteksensorsolutions

LVDT/RVDT/resolver simulator module occupies just one PXI slot

September 28, 2020 By Aimee Kalnoskas

Pickering Interfaces launched its model 41-670, a single module that can function as an LVDT, RVDT or resolver simulator. Occupying just one PXI or LXI chassis slot, the programmability of the module means that it minimizes the amount of hardware required. Also, since it sits in a PXI chassis alongside a customer’s other instruments, additional […]

Filed Under: LVDT Tagged With: pickeringinterfaces

LVDT electronics, Part 2: Interface circuitry

September 22, 2020 By Bill Schweber

LVDT electronics

The interface electronics for the LVDT must excite the primary-side winding with a sine wave and then demodulate the two resultant secondary-side waveforms; modern ICs make this analog-signal process fairly straightforward. Part 1 of this FAQ looked at the basics of LVDT excitation, demodulation, and waveforms. This part looks at two standard ICs which implement […]

Filed Under: Featured, Frequently Asked Question (FAQ), LVDT, Position Tagged With: FAQ

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