Bently Nevada 330195-02-12-50-00 3300 XL 8 mm ETR Reverse Mount Probes

The Bently Nevada 330195-02-12-50-00 3300 XL 8 mm ETR Reverse Mount Probe is a high-performance proximity probe designed for accurate vibration and shaft-position measurement in critical rotating machinery. Its reverse-mount configuration allows installation where front-mount probes are impractical, while its rugged stainless-steel construction ensures dependable operation in high-temperature, high-vibration, and electrically noisy industrial environments. This probe is ideal for turbines, compressors, and generators that require continuous, precision monitoring to protect equipment and optimize maintenance schedules.

Product Specifications

Applications

The 330195-02-12-50-00 probe is used across a wide range of industrial assets:

• Turbines & Generators: Continuous monitoring of shaft vibration and position for early detection of imbalance or misalignment.

• Compressors & Pumps: Precise measurement of shaft displacement to protect bearings and seals.

• Petrochemical Plants: Reliable performance in areas with high humidity, heat, and chemical exposure.

• Power Plants: Seamless integration with 3300 XL monitoring systems for predictive maintenance and machine protection.

Advantages

• Reverse Mount Flexibility: Ideal for confined spaces or installations where front mounting is not possible.

• High Accuracy: Provides precise vibration and displacement data essential for machine protection.

• Environmental Robustness: Operates reliably under extreme temperature swings and heavy vibration.

• Durable Build: Stainless-steel body and corrosion-resistant contacts ensure long-term performance.

• Easy System Integration: Fully compatible with all Bently Nevada 3300 XL monitoring hardware.

Frequently Asked Questions (FAQ)

1. Can this probe be installed in both horizontal and vertical shaft orientations?

   Yes, the reverse-mount design supports either orientation without affecting accuracy.

2. What is the measurement range and sensitivity?

   It measures up to 2 mm of non-contact displacement with a typical sensitivity of 7.87 mV/µm for precise vibration detection.

3. Is the probe compatible with all 3300 XL monitoring systems?

   Yes, it integrates seamlessly with all 3300 XL monitors for vibration, shaft position, and protection applications.

4. How is reverse mounting performed to maintain correct alignment?

   The probe threads into a rear-mounted bracket, allowing installation in tight spaces while keeping the sensing gap properly aligned.

5. What temperature range can it operate in?

   It remains fully functional from −40 °C to +125 °C, suitable for harsh industrial conditions.

6. Can it maintain accuracy under high vibration?

   Yes, it withstands up to 20 g of vibration from 10–2000 Hz without performance loss.

7. Does it provide a differential output signal?

   Yes, the differential voltage output improves noise immunity and ensures stable readings.

8. What insulation resistance does it offer?

   It provides more than 100 MΩ at 500 V DC, supporting safe and reliable operation.

9. How is electromagnetic interference minimized?

   Internal shielding and robust construction protect the signal from EMI and RFI in electrically noisy areas.

10. Is the probe suitable for continuous operation in corrosive environments?

    Yes, its stainless-steel housing and corrosion-resistant finish maintain accuracy even in chemically aggressive settings.