The Messotron WI Series Linear Displacement Transducers (Heavy-duty Inductive Wegaufnehmer / Long-stroke LVDT Sensor Family) represent an elite-tier engineering lineup for industrial position tracking and stroke telemetry, researched, developed, and systematically manufactured by the acclaimed Messotron GmbH in Germany. Operating within highly advanced inductive electromagnetic induction frameworks, the WI Series is explicitly optimized for industrial automation procedures demanding absolute repeatability metrics and severe mechanical endurance across extended lifetimes. The product portfolio is highly versatile, covering standard measuring spans—ranging from medium strokes (60mm) up to ultra-long industrial requirements (up to 1000mm)—while maintaining exceptional mechanical integrity and sensory conversion fidelity. The technology captures position data via the entirely frictionless, non-contact movement of a high-permeability internal magnetic core shifting within symmetrically balanced differential electrical induction coil windows. This friction-free mechanical interaction fundamentally eradicates internal component friction and physical wear over extended lifetimes, unlocking near-infinite spatial resolution, instant phase response with zero signal latency, and outstanding calibration retention across tens of millions of continuous factory runtime cycles without maintenance.

This comprehensive consolidated product catalog fully incorporates standard model configurations covering a vast range of strokes: WI 60, WI 120, WI 160, WI 200, WI 300, WI 400, WI 500, WI 600, WI 800, and WI 1000. The distinct numeric suffix designations map directly to the transducer's absolute useful linear measuring span formatted in millimeters (mm), presenting mechanical layout engineers with a highly cohesive, standardized sensory platform for intricate automated machinery. In brutal processing environments such as metallurgical foundries, steel hot-rolling mills, cement grinding stations, hydroelectric plants, or high-pressure hydraulic rigs, position sensors are routinely subjected to severe structural shock impacts, high-amplitude vibrations, abrasive airborne particulates, and intense moisture saturation. To master these durability challenges, the complete outer chassis shell of the Messotron WI Series is sculpted from thick-walled industrial stainless steel, hermetically isolating the highly sensitive inner wire matrix and securing optimal Ingress Protection (IP) ratings to aggressively resist micro-dust, saturated steam, chemical washdowns, and hydraulic fluid ingress.

When seamlessly integrated with standardized Messotron electronics (such as the DPU series conditioners), the WI Series transducers constitute a closed-loop measurement architecture, transforming sub-micron micro-displacements into standardized industrial analog loops (4-20mA, 0-10V) or digital fieldbus data streams routed directly into central industrial PLC networks. The perfectly symmetrical differential configuration of the integrated coils ensures high electromagnetic compatibility (EMC), canceling out electrical noise emitted by adjacent high-power industrial motors or heavy variable frequency drives (VFDs) while continuously neutralizing ambient thermal drift errors. The WI Series stands as an irreplaceable industry standard for real-time piston position tracking inside long-stroke heavy-duty hydraulic cylinders, remote stroke diagnostics for high-pressure dam floodgates, inline metal sheet thickness validation on continuous rolling lines, automated multi-point QA/QC metrology benches, and structural deformation diagnostics within large civil engineering bridge and blast-furnace infrastructure projects.

• Manufacturer: Messotron
• Country of Origin: Germany
• Product Category: Long-Stroke Inductive Linear Displacement Transducer / Inductive LVDT Sensor
• Integrated Family Models: WI 60, WI 120, WI 160, WI 200, WI 300, WI 400, WI 500, WI 600, WI 800, WI 1000
• Technology Operating Principle: Inductive Electromagnetic / Linear Variable Differential Transformer (LVDT)
• Linear Stroke Measuring Range: From 60 mm up to 1000 mm (Model dependent mapping from WI 60 up to WI 1000 configurations)
• Non-Linearity Discrepancy Margin: < ±0.25% full scale standard (Premium high-accuracy configurations available down to < ±0.1%)
• Structural Measuring Resolution: Near-infinite (Conditioning electronics hardware dependent)
• Ingress Protection Class: High-grade IP65 / IP67 industrial standard protection envelope
• Chassis Housing Material: Heavy-duty structural Stainless Steel composition
• Recommended Excitation Frequency: 1 kHz up to 10 kHz spectrum range
• Thermal Drift Evaluation Coefficient: < 0.01% / °K across the full operating thermal bandwidth
• Electrical Interfacing Interconnect: Heavy-duty molded integral cable assembly or rugged industrial quick-disconnect Connector setup
• Operational Ambient Temperature Range: -20 °C up to +80 °C (Extended high-temperature configuration available up to +120 °C)
• System Integration Application Scope: Heavy hydraulic piston position loops, industrial automated valve stroke monitoring, heavy duty industrial lifting infrastructure.