The Bently Nevada 330191-02-10-10-05 3300 XL 8 mm ETR Probe is a high-precision proximity probe engineered for accurate, continuous, non-contact measurement of shaft vibration and displacement in demanding industrial environments. Part of the trusted 3300 XL family, this probe features an 8 mm sensing tip and a total length of 1.0 meter, making it ideal for machinery that requires compact installation without compromising measurement performance. Its stainless-steel housing and advanced insulation materials ensure dependable operation under extreme conditions of temperature, pressure, and electromagnetic interference, enabling predictive maintenance and reliable machine protection in critical process industries.

Product Specifications

Applications

The 330191-02-10-10-05 probe is designed for a wide variety of critical vibration and displacement monitoring tasks, including:

• Turbines (Gas & Steam) – Continuous shaft vibration monitoring for early detection of imbalance and rotor issues.

• Compressors and Pumps – Ensures precise analysis of mechanical looseness or misalignment.

• Motors and Generators – Supports predictive maintenance programs and reduces unplanned downtime.

• Petrochemical Plants – Performs reliably in corrosive and hazardous atmospheres.

• Industrial Machinery – Ideal for OEM equipment and retrofit installations requiring compact probe design.

Advantages

• High Accuracy Measurement – 8 mm tip delivers a stable, wide linear range for precise shaft displacement readings.

• Compact 1 m Total Length – Perfect for installations where space is limited yet long-distance signal quality is required.

• Superior Noise Immunity – Coaxial cable construction minimizes electromagnetic interference for consistent data.

• Rugged Stainless-Steel Construction – Offers excellent corrosion resistance and extended service life in harsh environments.

• Wide Temperature Tolerance – Maintains accuracy from –35 °C to +177 °C.

• Pressure-Resistant Design – Reliable operation in environments up to 10 bar.

• Seamless System Integration – Fully compatible with Bently Nevada 3300 XL Proximitor sensors and 3500 series monitoring systems.

• Easy Installation – Standard 3/8–24 UNF mounting thread simplifies setup and maintenance.

FAQ

1. What is the nominal linear measurement range of this probe?

   The probe provides a nominal linear range of 2.0 mm (80 mils) for precise shaft vibration detection.

2. How is signal accuracy maintained with the 1 m total length?

   The probe’s low-noise coaxial cable and controlled impedance preserve signal integrity over its entire length.

3. Is this probe directly compatible with 3300 XL Proximitor sensors?

   Yes, it integrates seamlessly with 3300 XL Proximitor sensors without requiring adapters.

4. What is the standard sensitivity specification?

   It provides a sensitivity of approximately 7.87 V/mm (200 mV/mil), ensuring accurate displacement measurements.

5. Can the probe operate in high-frequency vibration applications?

   Yes, it supports a frequency response from DC up to 10 kHz.

6. Which mounting thread is required for installation?

   A 3/8–24 UNF thread or equivalent housing is recommended for secure mounting.

7. Is additional shielding needed in high-EMI environments?

   No, the internal coaxial shielding is designed to handle environments with strong electromagnetic interference.

8. Can the probe operate under elevated pressure conditions?

   Yes, it is pressure rated for environments up to 10 bar.

9. How does the probe maintain calibration across temperature extremes?

   It is factory-calibrated to ensure consistent accuracy between –35 °C and +177 °C.

10. Is this probe suitable for use in hazardous or classified areas?

    Yes, when paired with certified Proximitor systems, it meets many hazardous area compliance standards.