Description

EP165090-66T3B Bently Nevada Custom High-Temperature Eddy Current Proximity Probe

1. Model Definition & Series Attribute

Model: EP165090-66T3B

• Brand: Bently Nevada (Baker Hughes), belongs to 3300 XL custom modified special probe series (EP special order part number)
• Suffix 66T3B: Customized parameters: 6.6-inch overall housing length, T3 high-temperature reinforced cable, B = ATEX/IECEx hazardous area explosion-proof certification, armored cable structure

2. Core Technical Specifications

• Measuring Principle: Non-contact eddy current induction, same system architecture as standard 3300 XL 8mm probe
• Probe Tip Diameter: 8mm standard
• Linear Measuring Range: 2.0mm (80mils), scale factor 200mV/μm (7.87V/mm)
• Output Signal: DC negative voltage -1V ~ -17V linearly proportional to shaft gap
• Mounting Thread: 3/8-24 UNF stainless steel male thread
• Total Probe Body Length: 6.6 inches ultra-long threaded housing for deep bearing box installation
• Integrated Cable: T3 high-temperature triple-shielded triaxial armored cable, anti-extrusion, anti-abrasion, oil mist resistant
• Connector: ClickLoc miniature triaxial quick-lock plug (consistent with 330101 standard probes)
• Operating Temperature: -52℃ ~ +177℃ continuous long-term operation
• Cable Impedance: Standard 75Ω triaxial impedance, strictly matched with 3300 XL Proximitor sensor for calibration
• Protection Level: IP20 internal installation, ATEX/IECEx Class I Div 2 explosion-proof approval
• Matching Components: Must pair with 3300 XL Proximitor preamplifier + 330130 series extension cables, compatible with 3500/3700/60XL monitoring racks
• Mechanical Feature: Stainless steel full-thread long barrel, built-in strain relief and FluidLoc oil-sealed structure
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3. Product Overview

The EP165090-66T3B is a special customized long-body eddy current proximity probe from Bently Nevada, developed for extreme deep mounting installation requirements of large turbomachinery bearing pedestals.