Bently Nevada 330104-02-08-50-12-00 3300 XL 8 mm Proximity Probes

The Bently Nevada 330104-02-08-50-12-00 3300 XL 8 mm Proximity Probe is a high-precision, non-contact eddy current sensor designed to measure shaft displacement and vibration in critical rotating machinery. As part of the 3300 XL series, this probe delivers accurate and reliable signals to support machine protection, predictive maintenance, and condition monitoring.

With an 8 mm probe diameter and a total cable length of 5 meters, this probe is ideal for medium to large industrial machinery or installations where cable routing flexibility is needed. The stainless steel housing and mineral-insulated cable provide resistance to harsh environmental conditions including vibration, temperature fluctuations, and electromagnetic interference. Designed for seamless integration with Bently Nevada 3300 XL monitoring systems, this probe ensures continuous high-fidelity measurements, enabling early detection of mechanical faults and enhancing overall machinery reliability.

Product Specifications

Applications

The 330104-02-08-50-12-00 probe is suitable for precise measurement of shaft displacement and vibration in critical machinery:

• Steam and Gas Turbines – Detects rotor imbalance, misalignment, and instability.

• Compressors – Monitors rotor vibration and shaft position to ensure safe and efficient operation.

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

• Generators and Motors – Provides early detection of anomalies for reliable operation.

• Refinery and Petrochemical Plants – Performs under high-vibration, harsh environmental conditions.

• Machine Protection Systems – Supports API 670-compliant condition monitoring and protection.

Advantages

The Bently Nevada 330104-02-08-50-12-00 8 mm Probe offers several operational advantages:

• High Accuracy – Delivers precise shaft displacement and vibration measurement with excellent linearity.

• Rugged Construction – Stainless steel housing and mineral-insulated cable ensure durability in harsh industrial environments.

• Wide Frequency Response – Captures both low-speed and high-speed shaft vibrations.

• Seamless System Integration – Fully compatible with 3300 XL monitoring systems for continuous machine protection.

• Maintenance-Free Operation – Non-contact measurement eliminates wear and reduces maintenance requirements.

• Temperature and Vibration Resistant – Reliable performance under extreme conditions.

• Predictive Maintenance Support – Early anomaly detection helps prevent unplanned downtime.

• Flexible Installation – 5-meter cable length supports complex machinery layouts or larger equipment.

Frequently Asked Questions (FAQ)

1. Which monitoring systems is this probe compatible with?

   The probe is designed for full integration with Bently Nevada 3300 XL monitoring systems, providing reliable displacement and vibration signals.

2. What is the nominal sensitivity of this probe?

   The probe typically outputs 20 mV/µm when used with a 3300 XL system.

3. What is the frequency range that the probe can measure?

   It operates from DC to 10 kHz, suitable for detecting low-speed and high-speed vibrations.

4. What is the operating temperature range of the probe head?

   Reliable performance is maintained between -40°C and +120°C.

5. Can the probe function in high-humidity or industrial environments?

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

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

   The linear range is ±10% of the calibrated gap, ensuring accurate output.

7. Does the probe require external power?

   No, power and signal conditioning are provided by the 3300 XL monitoring system.

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

   Yes, it is compatible with API 670-compliant condition monitoring and protection systems.

9. Does the 5-meter cable affect measurement accuracy?

   The probe is calibrated for a 5-meter cable, maintaining high-fidelity signal output.

10. What are the recommended mounting options?

    Threaded sleeve or custom machinery mounting ensures proper alignment and calibration.