Configured for non-contact displacement measurement in TSI platforms, the Bently Nevada 330910-00-12-10-02-00 (330910-00-12-10-02-00 Proximity Probe) provides direct physical and electrical execution of gap-to-voltage signal conversion for rotating machinery.

Model Configuration Matrix

The 330910-00-12-10-02-00 assembly comprises the probe tip, coil, cable, and connector. It functions as an integrated component of the transducer system, requiring a compatible Proximitor sensor for signal linearization and interface with downstream monitoring instrumentation.

Hardware Specifications

Mechanical Monitoring and TSI Characteristics

The probe utilizes an eddy-current sensing circuit to monitor shaft dynamic behavior. Accurate rotor dynamics analysis depends on precise eddy-current probe scaling, which translates physical displacement into a conditioned voltage output. During installation, technicians must perform gap voltage validation, targeting -10 VDC as the operational baseline to ensure operation within the linear region of the transducer. Proper cross-talk suppression is achieved through controlled routing and ensuring adequate physical distance between adjacent sensors, which minimizes signal noise and prevents interference during high-frequency vibration measurement.

Ordering Info

• 330910 Proximity Probe assembly

• Integral ClickLoc coaxial connector

• Protective cable armor (standard)

• Mounting lock nuts

Field Installation Guidelines

• Install the probe into the mounting bracket and adjust to the specified installation gap using a feeler gauge.

• Secure the probe assembly using the provided lock nuts to prevent vibration-induced loosening.

• Route coaxial cable away from high-current power conduits to minimize electromagnetic interference.

• Ensure the ClickLoc connector is fully seated and locked to maintain signal integrity.

• Verify the static gap voltage at the Proximitor sensor output during machine zero-speed conditions.

Frequently Asked Questions

• Q: Is this probe compatible with all 3300 series monitors?

  A: It is compatible with systems designed for the 3300 XL transducer interface; confirm monitor card compatibility in the system configuration guide.

• Q: How does the wide voltage range affect installation?

  A: The probe itself is a passive device; the input voltage range refers to the Proximitor sensor power requirements, not the probe.

• Q: What is the maximum cable length allowed?

  A: The system is calibrated as a set (Probe + Extension Cable); length is fixed by the system configuration and must not be altered.

• Q: Can I use this probe for axial position measurement?

  A: Yes, it is suitable for both radial vibration and axial position measurement depending on mounting orientation and system configuration.

• Q: What maintenance is required for the probe tip?

  A: The probe tip should be inspected for wear and cleaned of process residue during major machine outages.

• Q: Does the probe require a specific target material?

  A: Yes, it is calibrated for a standard AISI 4140 steel target; deviations in target material conductivity require sensitivity correction.

• Q: How is cable breakage detected?

  A: Breakage or disconnection results in a "Not OK" signal state triggered by the Proximitor/monitor system.

• Q: Is this probe intrinsically safe?

  A: System safety depends on the specific barrier or isolator configuration; verify against relevant hazardous area control drawings.