Product Short Description

330106-A05-B30-C10-D02-E00 is a high-precision industrial eddy-current proximity probe manufactured by Bently Nevada (Baker Hughes). It belongs to the flagship 3300 XL product family. This product adopts non-contact eddy current sensing principle, forms a complete measurement system with original 3300 XL proximitors and extension cables. It converts gap distance between probe tip and conductive metal rotor targets into proportional DC voltage signals. It supports simultaneous static shaft radial/axial position monitoring and dynamic radial vibration displacement measurement.

Description

Core Measurement Specifications

  • Nominal Probe Diameter: 14 mm
  • Linear Measuring Gap Range: 1.2 mm – 5.0 mm (47 – 197 mils)
  • System Scale Factor: 3.94 V/mm (100 mV/mil)
  • Output Signal: DC voltage proportional to gap distance
  • Frequency Response Bandwidth: 0 Hz (DC) – 10 kHz (+0/-3 dB)
  • Measurement Accuracy: ±0.5% full scale range
  • Standard Calibration Target: AISI 4140 carbon steel
  • Minimum Measurable Target Diameter: 25 mm

Electrical Specifications (System Matching)

  • Matching Proximitor Operating Power Supply: -17.5 VDC to -26 VDC
  • Maximum Current Consumption: 12 mA
  • Output Impedance: 50 Ω
  • Supply Voltage Stability: ≤2 mV output drift per 1 V supply voltage change
  • Signal Isolation: Full galvanic isolation between probe circuit and monitoring system internal circuits

Mechanical & Structural Specifications (Exclusive for 330106-A05-B30-C10-D02-E00)

  • Probe active section: Fully unthreaded structure
  • Total probe body length: 30 mm (B30 configuration code)
  • Total integral cable length: 0.5 meter (A05 configuration code)
  • Connector type: Miniature coaxial ClickLoc™ quick-lock connector (D02 configuration code)
  • Probe tip material: High-performance polyphenylene sulfide (PPS)
  • Probe housing material: AISI 303 / 304 stainless steel
  • Probe outer diameter: 14 mm
  • Net weight of complete probe assembly: 0.58 kg
  • Overall dimensions: 210 mm × 72 mm × 36 mm

Environmental Specifications

  • Probe Operating Temperature: -52 °C to +177 °C
  • Probe Storage Temperature: -55 °C to +200 °C
  • Humidity Resistance: 100% condensing environment, non-submerged operation
  • Protection Rating: IP67
  • Anti-vibration Performance: 10–2000 Hz, 10 g continuous acceleration resistance
  • Anti-interference Performance: Fully complies with industrial EMC electromagnetic compatibility standards

Certifications & Compliance

  • Fully compliant with API 670 Machinery Protection Standard
  • CE industrial safety certification
  • CSA certification
  • RoHS lead-free compliant

Core Functional Features

  1. 14 mm Large-Diameter High-Precision Eddy Current Non-Contact Measurement

    14 mm large probe diameter delivers the widest linear gap range and strongest anti-interference performance among standard 3300 XL probes. No physical contact with rotating shafts, completely eliminates mechanical wear, maintains ultra-stable long-term measurement accuracy and service life. It accurately detects large gap variation and large-amplitude radial vibration displacement.

  2. Compact 30 mm Short Probe Body Design

    Short 30 mm probe shaft structure, specially designed for shallow mounting holes, compact bearing boxes and limited internal equipment spaces. Perfect for compact OEM equipment installation.

  3. 0.5 Meter Integral Fixed Cable Design

    Integrated probe+cable structure with fixed 0.5 meter length, stable signal transmission, ultra-low signal attenuation, dedicated for ultra-short-distance direct local installation on equipment bodies.

  4. Dual Integrated Measurement Modes

    Supports both static shaft radial/axial position monitoring (DC gap voltage) and dynamic radial vibration monitoring (AC vibration signal), meeting position protection and vibration fault diagnosis requirements simultaneously.

  5. ClickLoc Miniature Coaxial Quick Connector

    Fast plug-and-play connection with extension cables or proximitors, reliable contact, anti-loosening structure, greatly improves on-site installation and maintenance efficiency.

  6. Ultra-Wide Temperature Adaptability

    Stable operation from -52 °C to +177 °C, adapts to high-temperature and low-temperature harsh working conditions of power plant and petrochemical rotating machinery sites.

  7. Full System Interchangeability

    Uniform standard with 3300 XL series probes, extension cables and proximitors; same-specification components are fully interchangeable, reduces spare parts inventory costs.

  8. High-Frequency Response Performance

    0 Hz to 10 kHz bandwidth accurately captures high-frequency vibration faults, realizes early warning of shaft imbalance, misalignment, oil film instability and other mechanical faults.

  9. API 670 Standard Compliance

    Meets international rotating machinery protection specifications, supports formal project acceptance and OEM factory matching applications.

  10. High-Strength Stainless Steel Structure

    Corrosion-resistant, oil-resistant and dust-resistant housing, adapts to harsh industrial sites with oil mist, dust and corrosive gas.


Main Application Scenarios

This probe is specially used for non-contact online monitoring of shaft vibration, radial position and axial displacement of large heavy-duty oil film bearing rotating machinery with shallow compact mounting holes, matching 3300/3500 machinery protection systems:
  • Power plant steam turbines, gas turbines and generator compact bearing units
  • Large petrochemical centrifugal compressors and high-pressure process gas compressors
  • Heavy-duty industrial oil pumps, water pumps and pipeline centrifugal pumps
  • Large industrial fans, blowers and induced draft fans with compact bearing housings
  • High-voltage large heavy-duty induction motors and motor bearing systems
  • Offshore oil & gas platform compact rotating production equipment
  • Large chemical processing heavy-duty rotating machinery
  • Machinery predictive maintenance and large equipment health management systems
  • All industrial occasions requiring API 670 standard shaft vibration protection and compact shallow probe installation

Model Code Definition (330106-A05-B30-C10-D02-E00)

  • 330106: 3300 XL 14 mm proximity probe series
  • A05: 0.5 meter total integral cable length
  • B30: 30 mm total probe body length
  • C10: Unthreaded probe active section configuration
  • D02: Miniature coaxial ClickLoc quick connector standard type
  • E00: No additional hazardous area explosion-proof certification

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