Sensor LVDT

Description

The Linear Variable Differential Transformer (LVDT) displacement transducer accurately measures the movement between the spring-loaded sliding armature and the exterior body. These rugged and self-contained units are ideal for recording displacements on structural members due to live loads and temperature variations.

Features

  • Bridge deflection
  • Expansion joint movement
  • Concrete crack monitoring
  • Moveable structure testing
  • Tainter gate differential movement
  • Lift bridge movement
  • Laboratory testing

Aplications

  • 6 to 18 Vdc input range
  • Stainless steel construction
  • Spring return armature
  • High cycle life
  • High accuracy
  • < 0.0001” resolution

Dimensions

Specifications

MODELLVDT-01-005LVDT-01-010LVDT-01-020LVDT-01-030
Range ±0.5 in ( ±12.5 mm) ±1.0 in ( ±25 mm) ±2.0 in ( ±50 mm) ±3.0 in ( ±75 mm)
Linearity Error (% F.S.)1< ±0.5< ±0.5< ±0.5< ±0.5
Length (shaft centered)8.7 in (221 mm)10.8 in (274 mm)15.8 in (401 mm)21.7 in (551 mm)
Supply Voltage+6.0 to +18 Vdc
Output ±2.2 Vdc
Temperature coefficient (span) ±0.017% F.S./°F ( ±0.0306% F.S./°C) (typical)
Operating temperature range-40° to +158 °F  (-40° to +80 °C)


1
Lower linearity error version available upon request.

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