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HD-M12 AC

General Purpose LVDT

  • General-purpose linear displacement sensor
  • Split-core design, easy installation
  • Metal housing, shock & vibration resistant
  • Double-shielded against EMI and ESD
  • Reliable in high-temperature, humidity & dust
  • Wide frequency excitation, high sensitivity & reliability
  • Innovative winding, shorter length
Download Datasheet

General Purpose LVDT Product Introduction

Need wide‑stroke feedback in a compact package? The HD‑M12 AC Series is a 12mm general‑purpose LVDT with innovative winding that shortens overall length while delivering ±10 to ±100mm strokes. Split‑core design, rugged metal housing, and double shielding ensure reliable operation in harsh environments.

Available in standard and high‑precision versions, plus extended precision models (L‑suffix) for demanding applications.

General Purpose LVDT Application

  • Steam turbines
  • Hydraulic cylinders
  • Hydraulic presses
  • Machine tools
  • Material testing machines
  • Precision inspection equipment
  • Bridge monitoring
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General Purpose LVDT Semi-custom and full-custom designs

HD-M12 AC Datasheet

Performance

Code Stroke Range (mm) Sensitivity mV/V/(mm)
HD-M12-010-AC ±10 42
HD-M12-020-AC ±20 21.2
HD-M12-030-AC ±30 10
HD-M12-050-AC ±50 9.9
HD-M12-060-AC ±60 8.8
HD-M12-100-AC ±100 7.1
The following is the extended high‑precision version.
HD-M12-10L-AC ±10 42
HD-M12-25L-AC ±25 20
HD-M12-50L-AC ±50 9.9


All values are nominal unless otherwise noted. Dimensions are in mm unless otherwise noted.
FR: Full Range is the stroke range, end to end; FR= S for 0 to S stroke range.
FRO (Full Range Output): Algebraic difference in outputs measured at the ends of the range.

Electrical

Powers Supply 3 V rms (1~7V rms Optional)
Input Frequency 2.5KHz (400~10KHz Optional)
Zero voltage ＜20mV
Non-linearity (maximum) High Acc <0.1% ; Normal Acc <0.25%
Repeatability ＜0.1%
Operating Temperature Common type: -50℃~ +155℃
High temperature type: -50℃~ +240℃
TC of Sensitivity ＜0.015%/℃
Structure Split Structure
Wiring 6-core Teflon cable or wire
Shock 1000g@11 ms
Vibration 20g@2000Hz
Displacement Cycle ＞10⁶ cycles

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