Product Overview

• PN: 330108-91-05
• Brand: Bently Nevada (Baker Hughes)
• Series: 3300XL Non-Contact Proximity Transducer System
• Type: 11mm Linear Range Side Exit Armored Probe

• Function: Non-contact eddy current sensor converting the gap between probe tip and metal target into analog voltage signal. Matched with supporting proximitor to transmit signals to monitoring modules, realizing real-time measurement of large clearance shaft radial vibration and axial thrust displacement, and triggering alarm and interlock protection when parameters exceed threshold values.

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Suffix Explanation

• 330108: Base model with 11mm effective linear range
• 91: Side cable outlet plus metal armored cable sheath

• 05: Factory integrated cable length 5 meters

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Core Features

• 0~11mm wide linear measurement range, suitable for equipment with large installation reserved clearance
• Side exit wiring mode, ideal for narrow axial installation space of bearing housings
• Outer metal armor protection for cable, anti-extrusion, anti-tension and anti-abrasion in complex mechanical environments
• 75Ω triaxial inner shielding wire to resist strong electromagnetic interference on industrial site
• Stainless steel probe head with double sealing treatment, stable operation in oily and dusty internal equipment environment
• Standard fixed resistance value, convenient for field quick inspection with multimeter

• Fully conforms to API 670 standard for rotating machinery protection sensors

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Technical Specifications

• Effective Linear Range: 0 ~ 11 mm
• Integral Cable Length: 5 m
• Operating Temperature: -35℃ ~ +177℃
• Minimum Cable Bend Radius: 25 mm
• HS Code: 85437090
• Certifications: CE

• Product Status: Brand new original sealed and fully tested refurbished units available in stock

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Compatibility

• Matching Accessories: Corresponding 3300XL proximitor oscillator and extension cables
• Compatible Monitoring Modules: 3500/40M, 3500/42M, 1900 series standalone monitoring devices
• Applicable Equipment: Large steam turbines, gas turbines, centrifugal compressors and generator sets

• Applicable System: Complete 3500 TSI turbomachinery protection rack system

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Application

• Vibration monitoring of large-diameter rotating shafts in power and petrochemical units
• Axial displacement detection of thrust bearings to prevent rotor collision and mechanical failure
• Spare replacement and monitoring loop reconstruction for legacy 7200 and early 3300 series systems
• Condition monitoring for heavy-duty rotating equipment with harsh on-site wiring conditions