Product Short Description

Bently Nevada 330103-11-16-10-12-05 is an original factory non‑contacting eddy current proximity probe manufactured by Baker Hughes Bently Nevada USA, belonging to the 3300 XL Series of high‑performance proximity transducer systems.

This probe is designed for continuous, precise measurement of shaft radial vibration, axial position, Keyphasor phase reference, and rotational speed in rotating machinery with fluid‑film bearings. It operates as a core component of the complete 3300 XL system, which includes a matching extension cable and Proximitor™ Sensor to provide a voltage output directly proportional to the gap between the probe tip and the conductive target surface.

Description

Basic Identification Parameters

  • Brand: Bently Nevada (Baker Hughes Group)
  • Exact Model: 330103‑11‑16‑10‑12‑05
  • Product Series: 3300 XL Series
  • Product Category: 8 mm Eddy Current Proximity Probe
  • System Membership: 3300 XL Proximity Transducer System (Probe + Extension Cable + Proximitor™ Sensor)
  • Origin: United States
  • Standard Warranty: 12 months original factory warranty
  • Mounting Thread: M10 × 1 metric thread
  • Probe Tip Material: Polyphenylene Sulfide (PPS)
  • Probe Body Material: AISI 303 or 304 Stainless Steel (SST)

Measurement & Electrical Specifications

  • Measurement Principle: Eddy current, non‑contacting
  • Measuring Gap Range: 0 to 2 mm linear range; optimal operating gap at 1.27 mm (50 mils)
  • Sensitivity (ISF): 7.87 V/mm (typical)
  • Output Signal: Proportional voltage (system output from Proximitor™ Sensor); 0–10 VDC or 4–20 mA (configurable)
  • Output Impedance: 50 Ω
  • Power Supply: Negative DC voltage, typically –24 VDC (range –17.5 to –26 VDC) via Proximitor™ Sensor
  • Supply Sensitivity: < 2 mV change per volt change in input voltage
  • Operating Frequency Response: 10 kHz flat response (dynamic measurement)
  • Measurement Accuracy: ±0.01 mm (±0.0004 in) across linear range
  • Temperature Coefficient: < 0.01% FS/°C (excellent stability across operating range)

Mechanical & Environmental Specifications

  • Probe Diameter: 8 mm
  • Overall Probe Length: 160 mm (configured by model coding)
  • Unthreaded Length: 110 mm (configured by model coding)
  • Connector Type: Miniature coaxial ClickLoc™ (gold‑plated, positive‑lock, tool‑free connection)
  • Cable Type: Fluoroethylene Propylene (FEP) insulated, high‑flexibility industrial cable
  • Cable Length: 10 m (configured by model coding)
  • Minimum Cable Bend Radius: 25.4 mm (1.0 in)
  • Pull‑Strength Rating: 330 N (75 lbf) at cable‑to‑probe junction (CableLoc™ design)
  • Environmental Protection: IP67 (dust‑tight, water‑resistant, suitable for washdown and harsh areas)
  • Operating Temperature Range: –40 °C to +85 °C (probe body); probe tip up to 177 °C (350 °F) for standard version
  • Storage Temperature Range: –55 °C to +105 °C
  • Relative Humidity: 0–95 % RH, non‑condensing
  • Vibration Resistance: 15 g RMS, 10–2000 Hz
  • Shock Resistance: 100 g, 11 ms duration

Certifications & Compliance

  • Industry Standard: API 670 (4th Edition) Machinery Protection Standard
  • Safety Certifications: CE, ATEX, IECEx, CSA (intrinsically safe options available for hazardous areas)
  • EMC Compliance: EN 61000‑6‑2, EN 61000‑6‑3 (industrial electromagnetic compatibility)

Core Functional Features

  1. Non‑Contacting Precision Measurement

    Uses eddy current technology to measure shaft vibration and position without wear or friction, ensuring long‑term stability and zero maintenance on the target rotor.

  2. Dual‑Purpose Static & Dynamic Monitoring

    Simultaneously captures steady‑state position (static) and high‑frequency vibration (dynamic) for comprehensive machinery health assessment, ideal for predictive maintenance programs.

  3. API 670 Compliance for Safety & Reliability

    Meets stringent industry requirements for mechanical configuration, linear range, accuracy, and temperature stability, making it suitable for safety‑critical applications in continuous‑process plants.

  4. Patented Mechanical Design for Harsh Environments

    Features TipLoc™ molding for robust probe‑to‑body bonding, CableLoc™ for high‑pull resistance, and Viton® O‑ring differential‑pressure sealing to resist oil, coolant, and contaminants.

  5. ClickLoc™ Connector for Fast, Reliable Field Wiring

    Gold‑plated coaxial connector provides positive locking and low signal loss, enabling quick installation and replacement without tools, reducing downtime in field service.

  6. Complete System Interchangeability

    Probe, extension cable, and Proximitor™ Sensor are fully interchangeable and matchable without bench calibration, simplifying inventory, replacement, and system upgrades.

  7. High‑Temperature & Chemical Resistance

    PPS probe tip and FEP cable insulation withstand elevated temperatures and exposure to industrial chemicals, oils, and coolants, extending service life in severe conditions.

  8. Integrated Keyphasor & Speed Sensing

    Delivers stable phase reference (Keyphasor) signals for order‑tracking analysis and zero‑speed detection, supporting critical diagnostic and control functions in rotating machinery.

Main Application Scenarios

  1. Power Generation

    Shaft vibration, axial position, and speed monitoring for steam/gas turbines, generators, motor‑generator sets, and auxiliary pumps in thermal, hydro, and combined‑cycle power plants.

  2. Oil & Gas

    Critical monitoring of compressors, pumps, turbines, and separators on offshore platforms, onshore production facilities, and gas transmission stations.

  3. Petrochemical & Refining

    Continuous condition monitoring for centrifugal/reciprocating compressors, pumps, fans, and mixers in refineries, ethylene plants, and chemical processing units.

  4. Heavy Manufacturing & Metals

    Shaft health monitoring for rolling mills, large motors, fans, and blowers in steel mills, aluminum smelters, and heavy‑equipment manufacturing plants.

  5. Water & Wastewater

    Vibration and position monitoring for large circulating pumps, blowers, and hydraulic turbines in water treatment plants and pumping stations.

  6. Mining & Cement

    Robust condition monitoring for crushers, mills, conveyors, and fans in mining operations and cement production facilities, where dust and moisture are pervasive.

  7. Original Equipment & Retrofit Projects

    Direct drop‑in replacement for legacy 3300 series probes and seamless integration into new machinery designs, supporting both new installations and upgrade programs.

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