LWT-LVDT-IE-500

Precision AC Linear Displacement Sensor

High-Precision AC Linear Variable Differential Transformer
The LWT-LVDT-IE-500 is a precision AC linear displacement sensor designed for accurate and reliable position measurement. Operating on the principle of non-contact electromagnetic coupling, it provides exceptional linearity, infinite resolution, and long-term stability for aerospace, defence, industrial automation, and test & measurement applications.

Key Features

  • Non-contact electromagnetic coupling for frictionless operation
  • Electrical stroke: ±12.7 mm
  • Mechanical stroke: ±14 mm
  • High sensitivity: 26.8 mV/V/mm
  • Wide frequency range: 50 Hz – 10 kHz
  • Accuracy: ±0.75% FRO
  • Wide temperature range: -55 °C to +95 °C
  • ISO 9001:2015 certified manufacturing

Product Identification

Model / Part Number LWT-LVDT-IE-500
Item Description AC Linear Variable Differential Transformer (LVDT)
Sensing Principle Non-contact electromagnetic coupling
Quality Management System ISO 9001:2015 certified

Electrical & Performance Specification

Electrical stroke ±12.7 mm
Mechanical stroke ±14 mm
Sensitivity 26.8 mV/V/mm
Excitation voltage 3 Vrms
Excitation frequency 50 Hz – 10 kHz
Calibration frequency 2.5 kHz
Null output 20.42 mV RMS (Max.)
Input impedance 408 Ω
Output load resistance 50 kΩ
Phase angle +6°
Accuracy ±0.75% FRO
Operating temperature -55 °C to +95 °C

Mechanical Specification

Body length "A" 117 mm
Core length "B" 76 mm
Core diameter "C" 4.8 mm
Bore diameter "D" 7 mm
Body diameter "E" 19 mm

Compliance & Certification

ISO 9001:2015 Quality management system certification

Quality & Final Test Requirements

Test Requirements Each unit shall be verified at final test against the specifications including null output, sensitivity, accuracy, and phase angle, at the calibration frequency of 2.5 kHz using the specified output load resistance of 50 kΩ.

Excitation voltage and frequency shall be verified within the specified input range (3 Vrms, 50 Hz – 10 kHz) prior to release. Units shall be functionally checked across the full electrical stroke of ±12.7 mm and mechanical stroke of ±14 mm, and dimensionally verified against mechanical specifications.