Configured for non-contact shaft vibration and radial position monitoring in Bently Nevada machinery protection systems, the Bently Nevada 330104-01-17-05-01-05 (330104 Proximity Probe) provides direct electrical execution through eddy-current transducer technology. The probe assembly converts shaft displacement into proportional voltage signals for rotor dynamic analysis and gap voltage monitoring.

Suffix Breakdown & Model Matrix

Hardware Specifications

Rotor Dynamics and Cross-Talk Suppression

The 3300 XL probe assembly is designed for rotor dynamic monitoring applications including shaft vibration, eccentricity tracking, and axial displacement analysis. Signal stability depends on matched transducer system components consisting of probe, extension cable, and Proximitor interface electronics.

Cross-talk suppression is achieved through shielded coaxial construction and controlled cable impedance characteristics. Multi-channel machinery monitoring installations require separation between probe wiring and high-current electrical conductors to minimize induced signal distortion.

Gap voltage validation procedures are commonly performed during commissioning with probe positioning adjusted to approximately -10 VDC. Deviations from expected gap voltage values may indicate incorrect probe clearance, connector contamination, or grounding inconsistencies.

Frequently Asked Questions

Q: Can the 330104-01-17-05-01-05 probe operate without a Proximitor sensor?
A: No. The probe requires compatible Bently Nevada signal conditioning electronics for calibrated output generation.

Q: Is direct contact between the probe tip and shaft permitted during operation?
A: No. The probe operates using a non-contact electromagnetic sensing field and should maintain specified mechanical clearance.

Q: Can the probe cable be extended using standard coaxial connectors?
A: Cable modification is not recommended because transducer calibration depends on specified impedance and total cable length.

Q: What installation factor commonly introduces electrical noise into the vibration signal?
A: Routing probe cables near motor feeders, relay coils, or variable frequency drive outputs may induce electromagnetic interference.

Q: Is hot replacement supported while monitoring channels remain active?
A: Probe replacement should be completed only after associated machinery protection channels are inhibited or isolated.

Field Installation Guidelines

Verify probe thread engagement depth before final mounting to prevent contact between the probe tip and rotating shaft surfaces.

Maintain physical separation between transducer cabling and high-energy electrical conductors throughout cable tray routing paths.

Avoid excessive cable bending near connector transitions or probe exits to preserve shielding integrity.

Inspect coaxial connectors for oil contamination, oxidation, or metallic debris before system commissioning.

Confirm shield grounding practices according to Bently Nevada installation procedures to reduce circulating ground loop currents.

Ordering Info

(1) Shipment includes one Bently Nevada 330104-01-17-05-01-05 proximity probe assembly.

(2) Factory-installed shielded coaxial cable and connector hardware are included.

(3) Compatible extension cables and Proximitor sensors are supplied separately unless specified in the order configuration.

(4) Associated monitoring hardware may include Bently Nevada 3300 XL and 3500 machinery protection modules.

Transit and Packaging Details

Delivery time: 2-7 days when payment finish. Shipment available through DHL, FEDEX, and UPS industrial logistics services.

Each probe assembly is packed using anti-static industrial packaging with reinforced export carton protection and moisture-resistant internal wrapping for vibration-sensitive instrumentation transport.