Bently Nevada 330104-01-09-50-01-05 3300 XL 8 mm Proximity Probes

The Bently Nevada 330104-01-09-50-01-05 3300 XL 8 mm Proximity Probe is a precision, non-contact eddy current sensor designed for monitoring critical rotating machinery. Part of the 3300 XL series, this probe delivers accurate measurements of shaft displacement and vibration, providing essential input for machine protection, condition monitoring, and predictive maintenance.

Equipped with an 8 mm probe diameter and a total cable length of 5 meters, this model is ideal for installations on large industrial machinery or in complex plant layouts. Its stainless steel housing and mineral-insulated cable ensure reliable performance in high-vibration, high-temperature, and electromagnetically noisy environments. Fully compatible with Bently Nevada 3300 XL monitoring systems, this probe provides continuous, high-fidelity signals critical for early fault detection and machinery protection.

Product Specifications

Applications

The 330104-01-09-50-01-05 probe is suitable for precise monitoring of machinery where shaft displacement and vibration are critical:

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

• Compressors – Measures rotor vibration and shaft position 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 – Performs reliably in high-vibration, harsh environments.

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

Advantages

The Bently Nevada 330104-01-09-50-01-05 8 mm Probe offers multiple benefits for industrial applications:

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

• Rugged Design – Stainless steel housing and mineral-insulated cable resist harsh industrial conditions.

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

• Seamless Integration – Fully compatible with 3300 XL monitoring systems for real-time protection.

• Maintenance-Free Operation – Non-contact design minimizes wear and maintenance needs.

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

• Predictive Maintenance Support – Early detection of anomalies prevents unplanned downtime.

• Flexible Installation – Long 5-meter cable supports installation on large machinery or complex plant layouts.

Frequently Asked Questions (FAQ)

1. Which monitoring systems is this probe compatible with?

   It integrates fully with Bently Nevada 3300 XL monitoring systems, providing linearized displacement and vibration signals for machine protection.

2. What is the nominal sensitivity of this probe?

   Nominal sensitivity is approximately 20 mV/µm when used with a 3300 XL monitoring system.

3. What frequency range can the probe measure?

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

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

   Reliable operation is maintained between -40°C and +120°C while ensuring accurate measurement.

5. Can this probe be used in high-humidity industrial environments?

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

6. What is the linear measurement range?

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

7. Does the probe require external power?

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

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

   Yes, it integrates seamlessly into API 670-compliant condition monitoring platforms.

9. Does cable length affect measurement accuracy?

   The probe is calibrated for its 5-meter cable; proper cable length ensures signal fidelity and accurate readings.

10. What mounting options are recommended?

    Threaded sleeve or custom machinery mounting is recommended to maintain proper alignment and calibration.