Bently Nevada 330104-00-20-15-12-05 3300 XL 8 mm Proximity Probes

The Bently Nevada 330104-00-20-15-12-05 3300 XL 8 mm Proximity Probe is a precision, non-contact eddy current sensor designed for industrial machinery monitoring and protection. Part of the 3300 XL series, this probe provides highly accurate measurements of shaft displacement and vibration, enabling predictive maintenance and real-time machinery protection.

With an 8 mm probe diameter and a total cable length of 1.5 meters, the 330104-00-20-15-12-05 ensures stable signal transmission and reliable readings even in harsh industrial environments. Its stainless steel construction and mineral-insulated cable provide durability against high vibration, temperature variations, and electromagnetic interference. This probe integrates seamlessly with Bently Nevada 3300 XL monitoring systems, delivering real-time data for critical machinery such as turbines, compressors, pumps, and generators.

Product Specifications

Applications

The 330104-00-20-15-12-05 is suitable for monitoring a wide range of industrial machinery where accurate shaft position and vibration detection are critical:

• Steam and Gas Turbines – Measures shaft displacement to detect imbalance, misalignment, and rotor instability.

• Compressors – Monitors rotor position and vibration for safe operation.

• Pumps – Detects cavitation, bearing wear, and shaft deflection.

• Generators and Motors – Ensures smooth operation and early detection of anomalies.

• Petrochemical and Refinery Plants – Operates reliably in hazardous and high-vibration environments.

• Machine Protection Systems – Supports API 670-compliant monitoring systems for condition-based maintenance.

Advantages

The Bently Nevada 330104-00-20-15-12-05 8 mm Probe provides multiple operational benefits:

• High Accuracy – Accurate measurement of displacement and vibration with excellent linearity.

• Rugged Construction – Stainless steel probe and mineral-insulated cable ensure durability in harsh conditions.

• Wide Frequency Range – Capable of capturing both low-speed and high-speed vibration signals.

• Seamless Integration – Works directly with 3300 XL monitoring systems for reliable output.

• Maintenance-Free Operation – Non-contact design reduces wear and minimizes downtime.

• Temperature and Vibration Tolerance – Operates effectively under extreme temperatures and high vibration.

• Predictive Maintenance Support – Provides early fault detection to prevent unplanned shutdowns.

• Flexible Installation – Cable length and mounting options allow adaptation to various machinery configurations.

Frequently Asked Questions (FAQ)

1. Which monitoring systems is this probe compatible with?

   It integrates seamlessly with Bently Nevada 3300 XL Series monitoring systems, providing linearized signals for precise machinery protection.

2. What is the nominal sensitivity of the probe?

   The nominal sensitivity is approximately 20 mV/µm when connected to a 3300 XL monitoring system.

3. What frequency range can the probe detect?

   The probe supports DC to 10 kHz, covering both low-speed and high-speed machinery vibrations.

4. What is the maximum operating temperature for the probe head?

   The probe operates reliably between -40°C and +120°C while maintaining accurate measurements.

5. Is the probe suitable for high-humidity or industrial environments?

   Yes, it is designed for 0–95% non-condensing humidity and harsh industrial conditions.

6. What is the linear measurement range of the probe?

   ±10% of the calibrated gap ensures stable and proportional output.

7. Does the probe require external power?

   No, it receives power and signal conditioning from the 3300 XL monitoring system.

8. Is it suitable for API 670-compliant machine protection systems?

   Yes, it integrates fully with API 670-compliant platforms for real-time machinery protection.

9. Does cable length affect measurement accuracy?

   Yes, the probe is calibrated for its 1.5-meter cable; using the recommended length ensures signal fidelity.

10. What type of mounting is recommended for this probe?

    A threaded sleeve or custom machinery mounting is recommended to maintain alignment and calibration.