The Wartsila 9800319 is a highly reliable Engine Speed Indicator Sensor designed specifically for Wärtsilä EA96 marine and stationary engines. This critical monitoring device converts the rotational speed of the engine into a standardized 0-10 VDC analog signal, providing real-time RPM data to the engine control and safety systems.
Technical Breakdown & Key Features
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Manufacturer / Engine Family: Wärtsilä
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Engine Model: EA96 (This is a specific series of Wärtsilä’s larger, medium-speed diesel engines commonly used for marine propulsion and power generation).
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Part Number: 9800319 (This is the unique identifier for ordering this specific part).
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Function: Engine Speed Indicator (Tachometer Sensor). Its primary job is to measure the Revolutions Per Minute (RPM) of the engine’s crankshaft.
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Output Signal: 0 to 10 V DC Analog Signal. This is a common industrial standard where 0V typically corresponds to 0 RPM and 10V corresponds to the engine’s maximum rated speed (or a scaled value of it, e.g., 10V = 1000 RPM).
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Type: The description suggests this is likely a proximity sensor or magnetic pickup that detects the passing of gear teeth on the engine’s flywheel or a dedicated tone wheel, generating a voltage pulse train proportional to speed.
SEO-Optimized Product Description
Ensure the precise performance and safety of your Wartsila EA96 engine with the genuine Engine Speed Indicator, part number 9800319. This robust sensor is a vital component of the engine management system, delivering accurate real-time rotational speed data.
Key Benefits & Applications:
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Accurate RPM Monitoring: Delivers a precise 0-10 Volt analog signal directly proportional to engine speed for clear monitoring on control panels.
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Engine Protection: Provides critical input to the engine’s governing and safety systems (like overspeed protection), helping to prevent catastrophic damage.
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System Integration: The standardized 0-10V output is easily interfaced with Engine Control Units (ECUs), gauges, data loggers, and alarm systems.
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Designed for Reliability: Built to withstand the harsh conditions of an engine room, including high temperatures, vibration, and exposure to oil and fuel.
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OEM Guarantee: As a genuine Wärtsilä part, it guarantees perfect fitment, specified performance, and long-term reliability, ensuring your engine operates as designed.
Ideal for use in:
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Marine Propulsion Engines
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Auxiliary Generator Sets (Gensets)
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Land-Based Power Plants
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Any application utilizing a Wärtsilä EA96 series engine.
Important Considerations
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Compatibility: While designed for the EA96 series, always verify this specific part number (9800319) against your engine’s technical documentation and serial number to ensure compatibility.
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Installation: Proper installation, including air gap setting (if applicable), is critical for accurate signal generation.
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Replacement: This is a critical sensor. Failure can lead to inaccurate speed readings or a complete loss of RPM data, potentially causing the engine to shut down or operate in a degraded mode for safety.











