Description
Overview
The 330878-91-00 Proximitor Sensor from Bently Nevada is part of the 3300 XL series, designed for precision shaft position and vibration monitoring in large-scale rotating machinery. With its extended linear range and robust construction, this sensor is a critical component for turbine and generator condition monitoring systems.
Technical Specifications
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Model Number: 330878-91-00
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Product Type: PLC Controller / Proximitor Sensor
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Manufacturer: Bently Nevada
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Condition: Brand New
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Compatible System: 3300 Proximity Transducer System
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Linear Range: 27.9 mm (1100 mils) maximum
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System Length: 19.0 m (29.5 ft) standard
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Mounting: DIN-rail installation
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Dimensions: 28 × 26 × 6 cm
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Weight: 1.48 kg
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HS Code: 8537101190
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Origin: USA
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MOQ: 1
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Compliance: API 670 standard
Functional Description
The 330878-91-00 Proximitor Sensor features a large-diameter coil, offering the longest linear range available in Bently Nevada’s eddy current transducer line. This extended range makes it particularly effective for monitoring differential expansion and rotor growth in steam turbine generators, where precise measurement of rotor-to-stator movement is essential.
Its design supports integration into existing control systems via DIN-rail mounting, while the standard 19.0 m system length simplifies installation. Built for durability, the sensor ensures reliable long-term performance in demanding industrial environments, enabling early detection of mechanical issues and supporting predictive maintenance strategies.
Application Scenarios
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Monitoring rotor expansion in steam turbine generators
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Differential expansion measurement in large rotating machinery
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Integration into predictive maintenance programs for power generation equipment
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High-precision vibration monitoring in industrial environments
FAQ
Q: What makes this sensor suitable for turbine monitoring? A: Its extended linear range of 27.9 mm allows accurate measurement of rotor-to-stator movement in large turbines.
Q: Can the sensor be mounted in existing systems? A: Yes, it is designed for DIN-rail mounting and integrates easily into control systems.
Q: What is the standard system length? A: The sensor comes with a 19.0 m (29.5 ft) system length for flexible installation.
