Bently Nevada 330704-000-050-90-02-00 3300 XL 11 mm Proximity Probe

The 330704-000-050-90-02-00 3300 XL 11 mm Proximity Probe is a high-precision vibration and position measurement sensor designed for industrial rotating machinery. It provides accurate monitoring of shaft displacement, enabling early detection of mechanical issues such as misalignment, imbalance, and bearing wear. With robust construction and reliable signal output, the 3300 XL series probes are widely adopted in power generation, oil & gas, and heavy industrial applications.

Technical Specifications

Applications

• Monitoring high-speed turbines and generators in power plants

• Detecting shaft displacement and vibration in pumps and compressors

• Predictive maintenance of industrial machinery

• Condition monitoring in petrochemical plants

• Rotating machinery in mining and heavy industry

• High-precision alignment verification during installation and commissioning

Advantages

• High Accuracy: Provides precise displacement measurements with minimal noise interference.

• Robust Construction: Stainless steel housing ensures durability in harsh industrial environments.

• Wide Temperature Range: Suitable for extreme operational temperatures from -40°C to +120°C.

• Reliable Signal Output: Coaxial cable design and differential voltage output minimize signal degradation.

• Versatile Mounting: Threaded and clamp mounting options enable flexible installation.

• Early Fault Detection: Enables proactive maintenance, reducing downtime and repair costs.

FAQ

Q1: What is the recommended sensing distance for optimal accuracy?

A1: The standard sensing distance is 1 mm for the 11 mm probe diameter, which provides optimal linearity and signal stability.

Q2: Can the probe operate in high-vibration environments?

A2: Yes, the 3300 XL series is designed to maintain signal accuracy in high-vibration conditions due to its robust housing and cable design.

Q3: What type of signal output does the probe provide?

A3: The probe provides a differential voltage output, compatible with standard vibration monitoring and machinery protection systems.

Q4: Is the probe compatible with existing 3300 XL series monitoring systems?

A4: Yes, it is fully compatible with all standard 3300 XL series modules and controllers.

Q5: Can the cable length be customized?

A5: Standard length is 1 m, but custom cable lengths can be provided based on application requirements.

Q6: What is the frequency response of this probe?

A6: The operating frequency is DC to 20 kHz, allowing accurate measurement of both slow and fast shaft movements.

Q7: How should the probe be mounted for accurate readings?

A7: It can be mounted using threaded fittings or clamps, ensuring stable contact and alignment with the monitored shaft.

Q8: Can the probe operate in wet or corrosive environments?

A8: Yes, the stainless steel housing and sealed construction make it suitable for moderate moisture and industrial fluids.

Q9: Does the probe require calibration?

A9: Yes, initial calibration is recommended to ensure linearity and accuracy across the full sensing range.

Q10: What type of maintenance is required?

A10: Regular inspection of the cable and connector is recommended, but the probe itself is maintenance-free under normal conditions.