Bently Nevada 330903-00-03-50-02-RU 3300 NSv Proximity Probe

The Bently Nevada 330903-00-03-50-02-RU 3300 NSv Proximity Probe is an advanced non-contact vibration and displacement measurement probe designed for industrial rotating machinery. It belongs to the 3300 NSv (Narrow Side-view) series, which is specifically engineered for applications with limited installation space, where standard probes cannot be mounted.

This probe utilizes eddy current measurement principles, detecting the proximity of a conductive surface such as a turbine or compressor shaft. It ensures highly reliable and accurate vibration monitoring, making it essential for predictive maintenance and machinery protection systems.

Technical Specifications

Product Applications

• Gas turbines and steam turbines

• Compressors (centrifugal and reciprocating)

• Pumps and motors in critical process industries

• Gearboxes and high-speed rotating machinery

• Oil & gas, petrochemical, and power generation sectors

• Condition monitoring and predictive maintenance systems

Product Advantages

• Compact Design: Slim probe tip ideal for installations with space limitations.

• High Accuracy: Provides precise vibration and displacement measurements in harsh environments.

• Rugged Construction: Stainless steel and high-performance insulation materials ensure durability.

• Broad Compatibility: Fully compatible with the Bently Nevada 3300 NSv system and API 670 compliance.

• Temperature and Pressure Resistant: Performs reliably under extreme industrial conditions.

• Enhanced Machinery Protection: Critical in preventing machinery damage through early fault detection.

FAQ

Q1: How does the 330903-00-03-50-02-RU probe measure shaft vibration?

A1: It uses eddy current technology, generating an electromagnetic field and detecting changes in the conductive shaft surface to measure displacement and vibration.

Q2: What signal does the probe provide to the monitoring system?

A2: It outputs a voltage proportional to the shaft-to-probe distance, typically -200 mV/μm.

Q3: Can this probe be used with standard 3300 Proximitor sensors?

A3: No, it is specifically designed for the 3300 NSv Proximitor sensors to ensure proper calibration and linearity.

Q4: What is the typical linear range of the probe?

A4: The linear range is 0.25 mm to 2.0 mm (10 to 80 mils).

Q5: How does temperature affect measurement accuracy?

A5: The probe is designed with temperature compensation to minimize drift across its full operating range (-35°C to +177°C).

Q6: What is the maximum pressure rating of the probe housing?

A6: It can withstand up to 10,000 psi, making it suitable for high-pressure machinery.

Q7: What type of connector is used on this probe?

A7: It uses a miniature coaxial connector compatible with NSv extension cables.

Q8: Can the probe be installed in hazardous environments?

A8: Yes, with proper certifications and installation guidelines, it is suitable for hazardous and explosive environments.

Q9: Does the probe require recalibration during its service life?

A9: Typically, no recalibration is needed unless there is cable damage or sensor replacement.

Q10: How is electrical interference minimized in this probe?

A10: It features shielded coaxial cable design and grounded stainless steel housing to reduce noise and interference.