The Messotron WLR Series Inductive Displacement Transducers, engineered and manufactured in Germany, represent a premium category of linear measuring instruments designed to address ultra-precise position and stroke tracking tasks within demanding heavy industrial production landscapes. Operating on the sophisticated non-contact Linear Variable Differential Transformer (LVDT) electromagnetic configuration, the WLR Series optimizes the measurement cycle by completely eliminating physical mechanical friction between the moving magnetic core element and the internal stationary electrical coil matrix. Owing to this frictionless engineering design, the sensors achieve an exceptionally prolonged actual operational life expectancy unaffected by mechanical degradation over time. This architectural advantage ensures superior signal repeatability and long-term measurement consistency while drastically driving down accidental plant downtime and system maintenance overhead. The integrated WLR Series product group is systematically consolidated from short-range to extended-stroke applications, featuring part numbers: WLR 10, WLR 20, WLR 40, WLR 50, WLR 100, WLR 150, WLR 200, WLR 250, WLR 300, WLR 400, up to the maximum capacity WLR 500. This wide technical layout offers instrumentation engineers maximum design flexibility to select the precise measurement envelope (from 10 mm up to 500 mm) to blend flawlessly with localized machinery geometries.

The core differentiator driving the market-leading status of the Messotron WLR Series is its capacity to sustain exceptionally low linearity errors across the complete operational span, combined with a near-infinite mechanical measurement resolution that enables the host network to capture minimal structural vibrations and microscopic spatial displacements of industrial components. The ruggedized cylindrical sensor enclosure is machined entirely from premium industrial-grade stainless steel with optimized wall thickness, providing outstanding resistance against heavy mechanical impacts, structural stresses, and chemical corrosion. Certified to IP65 environmental protection standards (with factory options to scale up to IP67/IP68), the transducer completely shields its internal sensing optics against the ingress of industrial micro-dust, lubricants, metallic particulate debris, and pressurized water sprays on active production lines. The internal coil matrix and circuitry are treated with advanced electromagnetic interference (EMI) suppression technologies and feature minimal thermal drift characteristics, guaranteeing uncompromised data fidelity even during continuous runtime near massive thermal loads or high-frequency disturbances like smelting furnaces and high-capacity electric motors. When paired with Messotron's specialized signal conditioners, the inductive variances are converted into industry-standard electrical outputs (such as 4-20mA, 0-10V, or digital fieldbus protocols), facilitating direct integration and real-time synchronization with central PLC units and SCADA management networks. The WLR Series stands as the trusted choice for roll-gap controls in steel mills, hydraulic cylinder stroke tracking in heavy forging presses, pneumatic valve spool positioning, and automated measurement structures requiring high mechanical resilience.

• Manufacturer: Messotron (Hennig GmbH)
• Country of Origin: Germany
• Operating Mechanism: Non-contact Inductive LVDT Technology (Linear Variable Differential Transformer)
• Consolidated Models in Series: WLR 10, WLR 20, WLR 40, WLR 50, WLR 100, WLR 150, WLR 200, WLR 250, WLR 300, WLR 400, WLR 500
• Rated Linear Measuring Spans: Scaled correspondingly from 10 mm (for model WLR 10) up to a maximum extensive stroke of 500 mm (for model WLR 500)
• Full-Scale Linearity Deviation: ≤ ±0.25% or ≤ ±0.5% of Full Scale (F.S.) depending on specific ordering codes
• Measurement Resolution: Infinite resolution, limits defined by the capabilities of the external signal conditioner
• Enclosure Construction Material: High-grade Industrial Stainless Steel
• Environmental Protection Level: IP65 standard classification (Factory optional upgrades available for IP67 / IP68 submersion capabilities)
• Mechanical Core Layout: Available with detached free-moving core rods or rugged heavy-duty spring-loaded self-returning plungers
• Electrical Interface Options: Oil-resistant molded integrated cables or heavy-duty industrial multi-pin electrical connectors
• Standard Operating Thermal Range: -20°C to +120°C (Specialized high-temperature variations available rated for +150°C or +200°C operational extremes)
• Target Carrier Frequency Range: Highly optimized for reliable performance within 1 kHz to 10 kHz excitation baselines