Bently Nevada 330192-10-80-90-05 3300 XL 8 mm ETR Probe

The Bently Nevada 330192-10-80-90-05 3300 XL 8 mm ETR Probe is a heavy-duty proximity probe engineered for precise shaft vibration and position monitoring in critical rotating machinery.

As part of the renowned 3300 XL Extended Temperature Range (ETR) series, this model features a long 9.0-meter total cable length, allowing flexible routing across large industrial installations while maintaining exceptional signal integrity.

Its robust construction and advanced eddy-current sensing technology provide highly accurate, real-time data for predictive maintenance and machinery protection systems in demanding environments such as power generation, petrochemical processing, and heavy manufacturing.

Product Specifications

Applications

• Turbomachinery Monitoring – Continuous shaft vibration and axial position measurement in gas and steam turbines.

• Compressors and Pumps – Early detection of imbalance, misalignment, and bearing wear to prevent unplanned shutdowns.

• Electric Motors & Generators – Continuous monitoring of rotor dynamics and shaft displacement.

• Gearboxes and Drive Trains – Provides critical vibration feedback for high-speed gear assemblies.

• Oil & Gas Industry – Reliable in upstream and downstream rotating equipment where harsh conditions prevail.

• Process Industries – Ideal for chemical, steel, paper, and power plants requiring precise vibration surveillance.

Advantages

• Extended Cable Length – A full 9.0 meters of factory-terminated armored cable simplifies installation across large machinery and remote monitoring points.

• Wide Temperature Capability – Operates from –35 °C to +200 °C for the probe and –51 °C to +177 °C for the cable, ensuring stability in extreme climates.

• High Measurement Accuracy – Factory-calibrated sensitivity of 7.87 mV/µm provides precise displacement readings.

• Durable Design – IP67 ingress protection and rugged construction withstand dust, moisture, and industrial contaminants.

• Excellent Linearity – Maintains ±1 % full-scale linearity across its calibrated range for reliable data.

• Low Electrical Noise – Superior shielding reduces signal interference for stable measurements.

• Simple Installation – Threaded M10 × 1 mm mounting with locknut allows quick, secure positioning.

• Global System Compatibility – Fully compatible with Bently Nevada 3300 XL Proximitor® sensors and monitoring hardware.

FAQ

1. What is the nominal sensitivity of the 330192-10-80-90-05 probe?

   The probe is factory-calibrated to deliver approximately 7.87 mV/µm (200 mV/mil), allowing precise measurement of shaft vibration and displacement across its linear range.

2. Which monitoring systems can this probe integrate with?

   It is fully compatible with the Bently Nevada 3300 XL Proximitor® sensors and related monitoring hardware, enabling seamless connection to existing Bently Nevada vibration-protection systems.

3. What is the allowable operating temperature range for the probe and connector assembly?

   The sensing tip functions reliably from –35 °C to +200 °C, and the connector assembly supports –51 °C to +177 °C, ensuring performance in demanding industrial environments.

4. How is the probe typically mounted within rotating machinery?

   It uses a threaded M10 × 1 mm design with a locking nut, providing secure positioning and stable operation during high-speed rotation and continuous vibration.

5. What sensing principle does this probe employ?

   The device operates on non-contact eddy-current technology, producing a voltage proportional to the distance between the probe tip and the monitored shaft surface.

6. What continuous vibration levels can the probe withstand?

   It is designed for continuous operation at vibration levels up to 20 g within a 10–2000 Hz frequency range, covering the needs of most critical rotating equipment.

7. Does the probe meet industrial protection standards for harsh environments?

   Yes, it conforms to IP67 requirements, providing full dust protection and resistance to temporary water immersion for reliable field use.

8. What is the maximum shock rating for this probe?

   The assembly can endure mechanical shocks up to 200 g peak, maintaining accuracy and integrity during unexpected mechanical impacts.

9. How does the probe maintain signal integrity over long monitoring periods?

   Its shielded design and robust construction minimize electromagnetic interference and thermal drift, ensuring consistent, high-resolution vibration data.

10. Can the probe measure both radial and axial motion of a shaft?

    Yes, it accurately tracks both radial vibration and axial shaft position, offering comprehensive diagnostics for turbines, compressors, and other rotating machines.