Your Source for Process Measurement & Control
Product Groups
High Accuracy AC Long Stroke Displacement Transducers
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
LD300 Series
  • Rugged Stainless Steel Case
  • LVDT—Infinite Resolution
  • 0.25% Linearity
  • Spring-Loaded Armature
  • Works with Standard ac LVDT Signal Conditioning Modules
  • Applications:
     Proprotional Actuators
     Robotic Automation
     Linear Servo Actuator
     Industrial Automation Controls
     Motion Control
 Manuals (contact with email : [email protected])


The LD300 Series provides our longest stroke length, up to ±300 mm (12 inches), based on the established linear variable differential transformer principle. LVDT’s, which are ac powered, ultimately produce the best accuracy using remote electronics. Special winding techniques are used to ensure the best possible linearity. The components are then packaged in a rugged housing and the transformer core is provided with an extension rod and very low friction nylon bearings that act as guides. The transducer is provided with a spring return armature, and is easily adapted to most industrial measurement situations. Due to their inherent long life, infinite resolution, versatility, and excellent repeatability, these units are highly suitable for many varied and demanding industrial applications.

Linearity: 0.25% FS
Excitation: 1 to 10 V rms
Excitation Frequency: 1 kHz to 10 kHz
Frequency Response: 2 ms
Zero Offset: 0.5% FS
Thermal Effect: zero: 0.005%/°C, sensitivity: 0.008%/°C
Compensated Temperature Range: -40 to 100°C (-40 to 212°F)
Operable Temperature Range: -40 to 100°C (-40 to 212°F)
Electrical Connection: 2.7 m (9') shielded cable
Calibration: Calibrated at 5 V, 5 kHz with 100 KOhm load at 20°C (68°F)
Threaded Core:
LD300-15 (M3)
LD300-25, -50 (M4)
LD300-100, -150, -250, -300 (M5)
Core Material: Ni/Fe Radio Metal 50
Case Material: 400 series stainless steel
Electrical Connections:
Red and Blue: Excitation (ac)
White: Signal
Green: Signal Ground
Red and White: In phase for inward displacement
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