GT Precision LVDT Gauging Position Transducer - Hylec Controls

GT Precision LVDT Gauging Position Transducer

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GT precision LVDT gauging transducer

These transducers are for displacement / position measurement. They make an accurate position measurement of the movement of the armature (the sliding part) relative to the body of the displacement transducer.

This transducer uses the Linear Variable Differential Transformer (LVDT) principle which means that it is probably the most robust and reliable position sensor type available. The strength of the LVDT sensor's principle is that there is no electrical contact across the transducer position sensing element which for the user of the sensor means clean data, infinite resolution and a very long life.

The GT series gauging transducer employs precision linear bearings to optimise the LVDTs measurement precision and repeatability.

The GT spring displacement transducer has bearings to guide the armature inside the measurement sensor and a spring which pushes the armature to the fully out position. Our GT spring return LVDTs are appropriate where it is not possible to connect the transducer armature to the moving component being measured.


  • high cycle life
  • stainless steel
  • infinite resolution
  • very high accuracy
  • precision linear bearings
  • miniature


Excitation/supply (acceptable) 0.5V to 7V rms, 2kHz to 10kHz (sinusoidal)
Excitation/supply (calibrated) 5V rms, 5kHz (sinusoidal)
Linearity error (Standard)  ±0.25% F.S.
Linearity error (Optional on some models) ±0.1% F.S.
Repeatability  0.00015mm
Temperature coefficient (span)  ±0.01% F.S. /℃ (typical)
Operating temperature range  -40℃ to 100℃
Electrical termination 2m (integral cable) Longer available to order.