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            "name": "KUS Hall-Effect Sensor RPM Transducer / Holzer Transducer for Marine Instruments",
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            "description": "#### **KUS Hall-Effect Sensor RPM Transducer / Holzer Transducer – Digital Signal Precision for the Cockpit & Vehicle Electrical System**\n\nMaximum precision from the very first rotation! The original **KUS Hall-Effect Speed Sensor (also known as the Holzer sensor)** uses the physical Hall effect to measure changes in magnetic fields on rotating shafts or gears. Unlike purely passive magnetic sensors, this active sensor delivers a crystal-clear, digital square-wave signal. This ensures absolutely jitter-free transmission—even at extremely low RPMs or when moving through the water at minimal speed.\n\nIt is the top choice for modern digital instrument clusters, on-board computers, and NMEA converter boxes that require a clear digital signal for error-free data processing.\n\n---\n\n#### 🔌 **Active Technology – Please Note Installation Requirements:**\n\nSince Hall effect sensors (Holzer sensors) contain electronic semiconductors, they require their own power supply (3-wire connection: positive, ground, signal), unlike passive transducers. Please select the appropriate shaft length for your unit from the menu above.\n\n---\n\n#### **Advantages & Technical Highlights at a Glance:**\n\n- **Digital square-wave signal:** No signal distortion or susceptibility to interference over long cable runs from the engine compartment up to the control station.\n- **Measurement starting at 0 RPM:** Unlike inductive transducers, it operates independently of speed—delivering a perfect signal even at extremely slow rotation speeds.\n- **V4A stainless steel construction:** Housing made of high-strength **AISI 316 stainless steel**. Absolutely resistant to engine oils, fuels, and aggressive saltwater.\n- **Fully encapsulated to IP67:** Completely dust-tight and waterproof, designed to withstand the harshest mechanical vibrations during continuous operation.\n\n---\n\n#### **Technical Data (Specifications):**\n\n**Property**\n**Specification / Value**\n\n**Manufacturer / Brand**\nKUS\n\n**Technology Type**\nActive Hall-Effect Sensor (Holzer Sensor)\n\n**Signal Type**\nDigital square-wave signal\n\n**Operating Voltage**\n12 V / 24 V DC compatible\n\n**Protection Class**\nIP67 (fully waterproof and dustproof, encapsulated)",
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