The Messotron DGO Series Linear Inductive Displacement Transducers (LVDT) represent a top-tier, high-end industrial solution for position tracking and mechanical stroke validation, thoroughly designed and engineered at Messotron's state-of-the-art production hubs in Germany. This comprehensive sensor line consolidates all variable range models including the DGO 25, DGO 50, DGO 100, DGO 150, DGO 200, DGO 250, DGO 300, DGO 400, DGO 500, DGO 600, DGO 800, and DGO 1000. Operating on the trusted Linear Variable Differential Transformer (LVDT) principle, these heavy-duty devices smoothly translate physical linear reciprocating motions into high-precision, linear electromagnetic data. The core technological advantage characterizing the DGO family is its unguided armature/core design configuration, completely lacking any internal mechanical guide sleeves or sliding alignment parts. This specialized architecture permits the magnetic core to travel through the internal hollow core bore without experiencing any physical contact or frictional dragging against the interior stator transformer windings. By completely eliminating internal physical friction and mechanical collisions, element wear, degradation, and material fatigue are fully avoided, maintaining absolute measurement repeatability over prolonged operating schedules and delivering a near-infinite runtime lifespan.

The hardware envelope of the Messotron DGO Series features a rigid cylindrical shell profile strictly optimized to accommodate exceptionally broad measurement metrics spanning from a short 25mm up to ultra-long 1000mm (1 meter) total stroke capacities, flawlessly providing maximum structural layout flexibility for automation and control loop design engineers on the factory floor. The sensor shell is machined from heavy-gauge, high-grade stainless steel with a smooth micro finish, achieving strict ingress ratings from IP65 to IP67. This robust structural armor acts as an impenetrable shield safeguarding the highly sensitive internal transformer windings against hostile workshop environments, including abrasive industrial dust, high-pressure fluid sprays, cutting oil mists, ambient condensation, and severe structural vibrations emitted by massive surrounding machinery matrices. Furthermore, Germany's strict symmetrical multi-coil winding methodology provides the DGO series with native immunity against extensive electromagnetic interference (EMI) fields, ensuring clean data transmission paths even when mounted adjacent to high-power variable frequency drives (VFDs) or electrical distribution grids.

The raw electrical output signal of the Messotron DGO Series is an unconditioned alternating current (AC) carrier frequency output, delivering supreme measurement sensitivity, high temperature tolerance, and long-term signal integrity due to the complete absence of heat-sensitive onboard microelectronics. When matched with Messotron's genuine external carrier frequency signal conditioners and amplifier units, it smoothly transforms into standard industrial analog configurations such as 4-20mA current loops or 0-10V voltage outputs, facilitating hassle-free interface routing into central PLC nodes or dedicated SCADA telemetry networks. The DGO free-core sensor family serves as an irreplaceable technical component for closed-loop control loops operating massive high-pressure turbine bypass valves, tracking large hydraulic actuators in hydroelectric dam installations, positioning heavy transfer cars inside foundries, and capturing micro-displacements on industrial kilns subject to thermal stretching. Specifying the Messotron DGO Series is the premier choice for facilities seeking uncompromised operational continuity and maximal machinery runtime parameters.

• Manufacturer: Messotron
• Country of Origin: Germany
• Product Category: Unguided Free-Core Inductive Linear Displacement Transducers (LVDT)
• Consolidated Consolidated Model Registries: Messotron DGO 25, DGO 50, DGO 100, DGO 150, DGO 200, DGO 250, DGO 300, DGO 400, DGO 500, DGO 600, DGO 800, DGO 1000.
• Core Technology: Linear Variable Differential Transformer - Mechanical frictionless non-contact inductive tracking
• Armature Configuration: Free moving unguided magnetic core shaft (Requires external guide mechanics from the host system)
• Nominal Linear Measuring Strokes per Model Designation:
  - Model DGO 25: Linear stroke range ± 12.5 mm (Total travel capacity 25 mm)
  - Model DGO 50: Linear stroke range ± 25 mm (Total travel capacity 50 mm)
  - Model DGO 100: Linear stroke range ± 50 mm (Total travel capacity 100 mm)
  - Model DGO 150: Linear stroke range ± 75 mm (Total travel capacity 150 mm)
  - Model DGO 200: Linear stroke range ± 100 mm (Total travel capacity 200 mm)
  - Model DGO 250: Linear stroke range ± 125 mm (Total travel capacity 250 mm)
  - Model DGO 300: Linear stroke range ± 150 mm (Total travel capacity 300 mm)
  - Model DGO 400: Linear stroke range ± 200 mm (Total travel capacity 400 mm)
  - Model DGO 500: Linear stroke range ± 250 mm (Total travel capacity 500 mm)
  - Model DGO 600: Linear stroke range ± 300 mm (Total travel capacity 600 mm)
  - Model DGO 800: Linear stroke range ± 400 mm (Total travel capacity 800 mm)
  - Model DGO 1000: Linear stroke range ± 500 mm (Total travel capacity 1000 mm / 1 Meter travel capacity)
• Full-Scale Linearity Deviation Tolerance: Extremely tight specification standard of ≤ ±0.25% to ±0.5% across total stroke limits
• Data Repeatability Performance: Exceptional precision repeatability yielded by the friction-free non-contact execution
• Electrical Signaling Protocol: Raw unconditioned alternating current AC output (Requires external carrier frequency amplifier module for 4-20mA / 0-10V conversion)
• Ingress Protection Compliance: Standard IP65 protection rating, hermetically sealed options available for IP67 classification
• Outer Shell Structural Composition: Heavy-duty premium-grade stainless steel engineered for excellent mechanical and corrosion tolerance
• Electrical Interfacing Layout: Multi-pin heavy-duty industrial screw-threaded connectors or highly shielded molded signal cables
• Optional Mounting Hardware Accessories: Threaded extension rods, rigid cylindrical sensor mounting blocks, external armature alignment joints