The part number **47LPT-14W0YR-M2** refers to a high-precision, multi-turn non-contact rotary sensor, typically categorized under **LVDT (Linear Variable Differential Transformer)** or **RVDT (Rotary Variable Differential Transformer)** technologies, often manufactured by companies like **Honeywell** or specialized aerospace component suppliers. These components are designed for mission-critical applications where reliability and wear-free operation are essential. --- ### Technical Specifications & Breakdown | Feature | Description | | :--- | :--- | | **Component Type** | Rotary Position Sensor (Non-Contact) | | **Technology** | Inductive / Variable Reluctance | | **Mounting Style** | Servo Mount (Standard for precision machinery) | | **Input Voltage** | Typically AC Excitation (e.g., 3.5V to 7V RMS) | | **Rotational Range** | Multi-turn capability (indicated by 'LPT' series) | | **Housing Material** | Stainless Steel or Anodized Aluminum | | **Termination** | Radial or Axial lead wires/connector | --- ### Key Internal Components 1. **Primary Coil:** Receives an AC excitation signal to create a magnetic field. 2. **Secondary Coils:** Two or more coils that pick up the induced voltage from the primary coil. 3. **Ferromagnetic Core/Rotor:** Attached to the input shaft; its position determines the voltage distribution between the secondary coils. 4. **Precision Bearings:** High-grade ball bearings ensure low torque and long mechanical life (often rated for millions of cycles). --- ### Application Areas Because of its robust construction, this specific part is usually found in: * **Aerospace:** Flight control surfaces (flaps, slats) and cockpit controls. * **Military:** Aiming systems for gimbaled platforms or turret rotation. * **Industrial Automation:** Heavy-duty feedback for hydraulic actuators or valve positioning. --- ### Advantages of the 47LPT Series * **Infinite Resolution:** Since the output is an analog ratio, the resolution is theoretically infinite, limited only by the signal conditioning electronics. * **Environmentally Sealed:** Usually rated for high vibration, shock, and extreme temperature ranges (-55°C to +125°C). * **No Sliding Contacts:** Unlike potentiometers, there are no brushes to wear out, making them "maintenance-free."