Product Short Description
Product Brief Introduction
This product is a complete integrated probe assembly with built-in fixed cable, designed for real-time continuous measurement of rotating machinery shaft radial vibration, axial thrust position, rotor eccentricity, Keyphasor phase signal and rotational speed.
Description
Basic Identification Parameters
- Brand: Bently Nevada (Baker Hughes Group)
- Exact Model: 330104-00-04-10-02-00
- Product Series: 3300 XL Series
- Product Category: 11 mm Integrated Eddy Current Proximity Probe (Built-in Cable Type)
- Origin: United States
- Standard Warranty: 12 months original factory warranty
- Matching System: 3300 XL Proximitor Signal Conditioner, 3300/3500 Machinery Protection System
- Probe Diameter: 11 mm
- Mounting Thread: M14×1.5 metric thread
- Probe Tip Material: High-temperature resistant PPS engineering plastic
- Probe Body Material: AISI 304 Stainless Steel
- Cable Type: FEP high-temperature resistant shielded coaxial cable
- Built-in Cable Length: 4 meters
- Connector Type: Standard ClickLoc™ miniature gold-plated coaxial locking connector
Measurement & Electrical Specifications
- Measurement Principle: Non-contact Eddy Current Induction Technology
- Effective Linear Measuring Range: 0–2.5 mm
- Optimal Operating Working Gap: 1.5 mm
- System Sensitivity (ISF): 7.87 V/mm (200 mV/mil)
- Power Supply: -18 VDC to -24 VDC negative DC power (supplied by proximitor)
- Frequency Response Range: DC (0 Hz) – 10 kHz flat amplitude response
- Full-Scale Measurement Accuracy: ±0.5% FS
- Static Gap Resolution: 0.1 μm
- Temperature Drift Coefficient: ≤0.01% FS/°C
- Dynamic Response Time: ≤5 ms
- Output Signal: DC static gap voltage + AC dynamic vibration composite signal
- Output Impedance: 50 Ω standard impedance
- Minimum Target Conductive Area: ≥25 mm diameter circular surface
Mechanical & Environmental Specifications
- Overall Probe Active Length: 40 mm
- Minimum Cable Bend Radius: 25.4 mm
- Cable Pull Resistance: ≥330 N
- Environmental Protection Grade: IP67 dustproof and waterproof
- Probe Operating Temperature Range: -40°C to +85°C continuous operation
- Probe Tip Maximum Short-Term Temperature Resistance: +177°C
- Cable Operating Temperature Range: -40°C to +105°C
- Storage Temperature Range: -55°C to +125°C
- Operating Humidity: 0–95% RH, non-condensing
- Anti-vibration Performance: 15 g RMS, 10–2000 Hz
- Anti-shock Performance: 100 g, 11 ms duration
- Electromagnetic Compatibility: Compliant with EN 61000-6-2, EN 61000-6-3 industrial EMC standards
Certifications & Compliance
- Industry Standard Compliance: API 670 4th Edition Machinery Protection Standard
- Safety Certifications: CE, ATEX, IECEx Intrinsically Safe Certified
- Full system compatibility with Bently Nevada 3300 and 3500 protection systems
Core Functional Features
- 11mm Large Diameter High-Stability Measurement
11mm probe diameter provides larger detection area, higher signal stability and lower noise than 8mm probes, more suitable for large-diameter heavy rotor shaft measurement.
- Integrated Built-in Fixed Cable Design
Integrated probe and cable integrated molding structure, eliminates intermediate connector signal loss and fault points, improves overall system reliability.
- Simultaneous Static & Dynamic Signal Detection
Independently outputs DC static axial position gap signal and AC dynamic radial vibration signal, realizes synchronous monitoring of shaft thrust displacement and rotor vibration status.
- Ultra-Low Temperature Drift High Stability
Professional temperature compensation design, extremely low temperature drift, maintains consistent accurate measurement data under large ambient temperature changes.
- Patented ClickLoc™ Locking Connector
Gold-plated positive locking coaxial connector, tool-free quick plug/unplug, low signal attenuation, stable connection under strong vibration conditions.
- High Robust Harsh Environment Adaptability
Full stainless steel body, PPS high-temperature tip, FEP shielded cable, IP67 protection, resistant to oil mist, corrosion, dust and high temperature.
- Complete API 670 Safety Compliance
Fully meets international machinery protection safety standards, applicable to safety-critical interlock protection occasions.
- Full System Seamless Compatibility
Direct matching with original 3300 XL proximitors, 3300/3500 monitoring racks, no additional calibration required after installation.
Main Application Scenarios
- Thermal Power Generation Industry
Shaft radial vibration, axial thrust position and differential expansion monitoring for large steam turbines, gas turbines, generator rotors and bearing pedestal systems.
- Oil & Natural Gas Industry
Non-contact shaft position and vibration monitoring for offshore platform centrifugal compressors, gas turbines, oil pipeline main pump units and gas transmission station rotating equipment.
- Petrochemical & Chemical Industry
Health monitoring of large centrifugal compressors, reciprocating compressors, heavy-duty centrifugal pumps, fan main shafts and reaction kettle drive rotating machinery.
- Heavy Metallurgy & Manufacturing Industry
Shaft vibration and position monitoring for large rolling mill main shafts, high-speed heavy centrifuges, large industrial motors and generator units.
- Water Conservancy & Municipal Industry
Rotor vibration and axial displacement monitoring for large circulating water pumps, drainage pump stations and hydraulic turbine units.
- Equipment Maintenance & Retrofit Projects
Original spare replacement and upgrade of legacy 3300 series 11mm proximity probes, realizing seamless continuation of original machinery protection monitoring functions.





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