The Messotron DTL Series Linear Displacement Transducers (Long-stroke LVDT Sensor Family) represent an elite-tier engineering lineup for industrial linear position tracking and distance telemetry, researched, developed, and systematically manufactured by the acclaimed Messotron GmbH in Germany. The DTL Series product portfolio is explicitly optimized for applications demanding medium to long stroke monitoring spans (up to 200mm) while maintaining exceptional mechanical integrity and sensory conversion fidelity. Operating on advanced Linear Variable Differential Transformer (LVDT) electromagnetic induction principles, the transducer carries out physical coordinate recording via the completely frictionless, non-contact movement of a high-permeability internal magnetic core centered inside symmetrically balanced electrical coil windings. This friction-free mechanical architecture thoroughly eliminates hardware abrasion and wear over extended operation periods, unlocking near-infinite spatial resolution, instantaneous phase response with zero signal latency, and superb calibration retention across tens of millions of continuous heavy-duty industrial plant cycles.

This comprehensive consolidated product catalog fully incorporates standard model configurations: DTL 50, DTL 100, and DTL 200. 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 versatile, interchangeable configuration matrix for complex factory systems. In brutal processing environments such as metallurgical foundries, steel hot-rolling mills, cement grinding stations, or high-pressure hydraulic plants, 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 DTL 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 DTL Series transducers constitute a closed-loop measurement architecture, generating pristine analog output telemetry (4-20mA, 0-10V) or modern 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 DTL Series has become an irreplaceable industry standard for real-time piston position tracking inside long-stroke heavy-duty hydraulic cylinders, remote stroke monitoring for large-scale high-pressure flow regulation valves, inline metal sheet thickness validation on continuous rolling lines, automated multi-point QA/QC metrology benches, and destructive material strain-stress diagnostics within structural metallurgical research laboratories.

• Manufacturer: Messotron
• Country of Origin: Germany
• Product Category: Long-Stroke Linear Displacement Transducer / Inductive LVDT Sensor
• Integrated Family Models: DTL 50, DTL 100, DTL 200
• Technology Operating Principle: Linear Variable Differential Transformer (LVDT) / Inductive Electromagnetic
• Linear Stroke Measuring Range:
  - DTL 50: 50 mm total range (±25 mm stroke)
  - DTL 100: 100 mm total range (±50 mm stroke)
  - DTL 200: 200 mm total range (±100 mm stroke)
• 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% / °C 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, destructive mechanical testing laboratory instrumentation.