The Messotron DLH Series Linear Inductive Displacement Transducers (LVDT) represent a top-tier, high-end industrial solution for heavy-duty 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 DLH 50, DLH 100, DLH 200, DLH 300, DLH 400, and DLH 500. 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 DLH family is its exceptionally rugged structural envelope optimized for the most punishing heavy industrial runtime environments, working on a frictionless non-contact inductive tracking principle between the moving core armature and the stationary stator coil assemblies. By completely eliminating internal physical friction and mechanical sliding wear, component degradation and measurement hysteresis are fully avoided, maintaining absolute data repeatability over prolonged operating schedules and delivering a near-infinite runtime lifespan on the factory floor.

The hardware composition of the Messotron DLH Series features a robust cylindrical outer sleeve profile strictly optimized to accommodate broad measurement metrics spanning from 50mm up to 500mm (half a meter) total stroke capacities, flawlessly providing excellent structural layout flexibility for electrical and control loop design engineers handling automated systems. The sensor shell is machined from heavy-gauge, high-grade stainless steel with a micro finish, achieving strict ingress ratings of at least IP65 or IP67 protection classes. This robust structural armor acts as an impenetrable shield safeguarding the highly sensitive internal transformer windings against hostile workshop dynamics, including abrasive industrial grit, 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 DLH 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 DLH Series is an unconditioned alternating current (AC) carrier frequency output, delivering supreme measurement sensitivity and outstanding thermal stability 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 DLH sensor family serves as an irreplaceable technical component for closed-loop control loops operating high-pressure gas turbine bypass valves, tracking large hydraulic actuators in proportional industrial systems, positioning heavy machinery beds inside hot-rolled steel mills, and capturing micro-displacements on industrial kilns subject to severe thermal stretching. Specifying the Messotron DLH Series is the premier choice for facilities seeking uncompromised operational continuity and maximal machinery runtime safety parameters.

• Manufacturer: Messotron
• Country of Origin: Germany
• Product Category: Heavy-Duty Inductive Linear Displacement Transducers (LVDT)
• Consolidated Consolidated Model Registries: Messotron DLH 50, DLH 100, DLH 200, DLH 300, DLH 400, DLH 500.
• Core Technology: Linear Variable Differential Transformer - High-reliability mechanical frictionless non-contact inductive tracking
• Mechanical Frame: Heavy-gauge rugged industrial cylindrical profile engineered for exceptional high-impact and tensile tolerance
• Nominal Linear Measuring Strokes per Model Designation:
  - Model DLH 50: Linear stroke range ± 25 mm (Total travel capacity 50 mm)
  - Model DLH 100: Linear stroke range ± 50 mm (Total travel capacity 100 mm)
  - Model DLH 200: Linear stroke range ± 100 mm (Total travel capacity 200 mm)
  - Model DLH 300: Linear stroke range ± 150 mm (Total travel capacity 300 mm)
  - Model DLH 400: Linear stroke range ± 200 mm (Total travel capacity 400 mm)
  - Model DLH 500: Linear stroke range ± 250 mm (Total travel capacity 500 mm)
• Full-Scale Linearity Deviation Tolerance: Extremely tight specification standard of ≤ ±0.25% to ±0.5% across total stroke limits
• Temperature Output Drift Factor: Ultra-low thermal coefficient, preventing data variance under ambient workshop climate variations
• 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: Spherical rod joints, threaded armature extensions, rigid sensor mounting blocks