Product Short Description

33103-00-04-10-00 is a high-precision industrial proximity probe manufactured by Bently Nevada (Baker Hughes). It belongs to the mature 3300 XL product line, adopts eddy-current non-contact measurement principle, and forms a complete transducer system with matching extension cables and 3300 XL proximitors. This probe converts the gap distance between probe tip and conductive metal target into proportional DC voltage signals. It supports simultaneous static shaft position measurement and dynamic radial vibration displacement monitoring.

Description

Core Measurement Specifications

  • Probe Nominal Diameter: 8 mm
  • Linear Measuring Gap Range: 0.5 mm – 2.0 mm (20 – 80 mils)
  • System Scale Factor: 7.87 V/mm (200 mV/mil)
  • Output Signal: DC voltage proportional to gap distance
  • Frequency Response: 0 Hz (DC) – 10 kHz (+0/-3 dB)
  • Measurement Accuracy: ±0.5% full scale range
  • Target Compatibility: AISI 4140 carbon steel (calibrated standard target)
  • Minimum Measurable Target Diameter: 12.7 mm

Electrical Specifications (System Matching)

  • Matching Proximitor 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 change
  • Signal Isolation: Galvanic isolation between probe circuit and monitoring system

Mechanical & Structural Specifications (33103-00-04-10-02-00 Exclusive)

  • Unthreaded probe section length: 0 inch
  • Probe total body length: 40 mm (04 configuration code)
  • System total cable length: 1.0 meter (10 configuration code)
  • Connector type: Miniature coaxial ClickLoc™ quick-lock connector (02 configuration code)
  • Probe tip material: High-performance polyphenylene sulfide (PPS)
  • Probe housing material: AISI 303 / 304 stainless steel
  • Probe outer diameter: 8 mm
  • Net weight of probe assembly: 0.423 kg
  • Shipping weight: 1.5 kg
  • Overall dimensions: 263 mm × 58 mm × 28 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
  • Protection rating: IP67
  • Anti-vibration performance: 10–2000 Hz, 10 g acceleration resistance
  • Anti-interference performance: Fully meets 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. 8 mm High-Precision Eddy Current Non-Contact Measurement

    No physical contact with rotating shaft target, completely avoids mechanical wear, maintains long-term stable measurement accuracy and service life. Realizes high-precision detection of micro gap change and micro vibration displacement.

  2. Dual Measurement Mode Integration

    Supports both static shaft radial/axial position monitoring (DC gap voltage) and dynamic radial vibration monitoring (AC vibration signal), meets position protection and vibration fault diagnosis requirements at the same time.

  3. 1.0 Meter Integral Fixed Cable Design

    Adopts integrated probe+cable structure, 1.0 meter fixed length, stable signal transmission, low signal attenuation, suitable for short-distance local installation on equipment body.

  4. ClickLoc Miniature Coaxial Quick Connector

    Fast plug-and-play connection with extension cable/proximitor, reliable contact, anti-loosening, greatly improves on-site installation and maintenance efficiency.

  5. Ultra-Wide Temperature Adaptability

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

  6. Full System Interchangeability

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

  7. 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.

  8. API 670 Standard Compliance

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

  9. High-Strength Stainless Steel Structure

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


Application Scenarios

This probe is specially used for non-contact online monitoring of shaft vibration, radial position and axial displacement of oil film bearing rotating machinery, matching 3300/3500 machinery protection systems:
  • Power plant steam turbines, gas turbines and generator units
  • Petrochemical centrifugal compressors, process compressors
  • Industrial oil pumps, water pumps and high-speed centrifugal pumps
  • Large industrial fans, blowers and induced draft fans
  • High-voltage high-speed motors and motor bearing systems
  • Offshore oil & gas platform rotating production equipment
  • Chemical processing rotating machinery
  • Machinery predictive maintenance and health management systems
  • All industrial occasions requiring API 670 standard shaft vibration protection

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