The 330103-00-16-10-01-00 3300 XL 8mm Proximity Probe serves as a critical component in the Bently Nevada 3300 XL transducer system, designed for high-precision, non-contact measurement of rotor displacement, vibration, and axial position. As a standard-mount sensor utilizing eddy current technology, this probe is engineered for reliable operation within the demanding environments of power generation and hydrocarbon processing facilities. By generating an electromagnetic field that detects fluctuations in the gap between the probe tip and a conductive target, the unit provides high-linearity signal output, ensuring accurate diagnostics for critical turbomachinery protection and performance optimization.

Technical Specifications

Model Configuration Breakdown

• 330103: 3300 XL 8mm Proximity Probe.
• 00: Unarmored probe (Standard configuration for typical machine installations).
• 16: 1.6-inch case length, allowing for specific mounting depth requirements in industrial housings.
• 10: 1.0-meter integral cable length, providing sufficient reach for connection to the extension cable system.
• 01: Miniature ClickLoc connector with terminal protector (Standard).
• 00: Agency Approval (Standard, non-hazardous area rated).

Typical Applications

This sensor is widely implemented across the energy sector for the surveillance of rotating equipment. Key applications include:

• Radial Vibration Monitoring: Detecting mechanical instability in fluid-film bearings on large steam and gas turbines.
• Axial Thrust Position: Measuring rotor movement to prevent catastrophic contact between turbine blades and stationary housings.
• Eccentricity Detection: Monitoring shaft bending during start-up or thermal transition phases in large compressors.
• Keyphasor Signal Acquisition: Providing precise speed and phase angle data for diagnostic vector analysis on pump and motor shafts.

System Compatibility

The 330103-00-16-10-01-00 is fully compatible with the Bently Nevada 3300 XL Proximitor sensor and associated extension cables. The system must be calibrated as a complete loop to maintain the specified output of 7.87 V/mm (200 mV/mil). It is natively integrated into the Bently Nevada 3500 Monitoring System, allowing for seamless connectivity with existing digital racks, backplane communications, and automated machinery shutdown logic (SIS/ESD).

Installation and Site Procedures

• Mechanical Mounting:
  • Ensure the probe mounting bracket is rigid to avoid resonance.
  • Use a torque wrench on the 3/8-24 threads; do not exceed 5.6 Nm to maintain case integrity.
• Electrical Shielding:
  • Route cables through dedicated rigid steel conduits.
  • Maintain a minimum distance of 15 cm from high-voltage AC lines to prevent induced noise.
• Connector Integrity:
  • Inspect the gold-plated ClickLoc pins for contamination.
  • Ensure a secure lock with a tactile click; verify connection with an ohmmeter if high signal noise is observed.
• Environmental Protection:
  • Utilize thread sealant compatible with specific process lubricants to prevent housing leakage.

Product Advantages

The 330103 series is recognized for its stable frequency response and resistance to industrial interference. The PPS tip provides excellent chemical resistance against reactive lubricants, while the robust 304 stainless steel case offers durability in high-vibration scenarios. Its design specifically minimizes the risk of signal loss, which is essential for maintaining high Overall Equipment Effectiveness (OEE) and preventing unplanned turbine downtime.

Ordering Information

• Standard Package: 1 x 330103-00-16-10-01-00 Probe, Technical Documentation.
• Note: Extension cables and Proximitor sensors are ordered separately to ensure the correct system length (e.g., 5-meter or 9-meter systems).
• Accessories: Threaded mounting adapters, internal mounting brackets, and connector protection sleeves are available upon request for specific installations.

Frequently Asked Questions

• Q: Can this probe be used to replace a legacy 3300 series probe?

  A: Generally, yes. However, system re-calibration or Proximitor replacement may be required to maintain linear accuracy.

• Q: Does this probe require special shielding?

  A: Standard industrial practice is to route the probe cable through dedicated metallic conduit to minimize electromagnetic interference (EMI).

• Q: What is the maximum distance between the probe and the Proximitor?

  A: The system is designed to operate with specific cable lengths. Ensure the combined length of the integral and extension cable matches the Proximitor's calibration.

• Q: Is the ClickLoc connector waterproof?

  A: It is designed for industrial environments but should be protected with a sleeve or junction box to prevent direct fluid ingress.

• Q: How often should the probe be replaced?

  A: Replacement intervals depend on operating conditions; periodic voltage checks (gap voltage) are recommended during outages.

• Q: Is this probe compatible with the 3500 system?

  A: Yes, it is fully compatible with all 3500 series vibration monitoring modules.

• Q: Can the cable be shortened?

  A: No. Altering the cable length will change the system's impedance and invalidate the calibration.

• Q: What is the benefit of the PPS tip?

  A: The PPS tip provides chemical inertness and stable performance in high-pressure, high-temperature lubrication environments.