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Configured for proximity and vibration sensing in 3300 XL machinery monitoring platforms, the Bently Nevada 330104-00-04-10-02-CN (330104 Proximity Probe) provides direct physical/electrical execution. The hardware translates physical shaft displacement into dynamic voltage deviations via high-frequency eddy-current sensing pathways.

Suffix Breakdown & Model Matrix

Suffix Code Option Description Technical Parameter
330104 Base Model 3300 XL 8 mm Reverse Mount Proximity Probe
-00 Unthreaded Length Option 0 mm
-04 Overall Case Length Option 40 mm
-10 Total Length Option 1.0 metre (3.3 feet)
-02 Connector and Cable-Type Option Miniature coaxial ClickLoc connector, standard cable
-CN Agency Approval Option Approvals country specific (CN Approvals)

Hardware Specifications

Parameter Specification
Model 330104-00-04-10-02-CN
Brand Bently Nevada
Origin USA
Weight 2 kg (Shipping Weight)
Dimensions 8 mm probe tip diameter, 40 mm overall case length
Operating Temp -51 deg C to +177 deg C nominal environmental limits
Power Consumption Passive component driven via external Proximitor Sensor loop
Probe Tip Material Polyphenylene sulfide (PPS)
Probe Case Material AISI 303 or 304 stainless steel (SST)
Pressure Sealing Viton O-ring differential pressure tip-to-case seal (Not factory tested)

Gap Voltage Validation and Rotor Dynamics

Physical deployment of this 8 mm reverse mount sensor requires meticulous gap voltage validation to map structural movements accurately within the linear calibration window. During static mechanical calibration, the physical gap must be adjusted until the circuit output tracks a -10 VDC target, anchoring the system at its linear midpoint. This baseline voltage optimization ensures the eddy-current probe scaling correctly interprets high-velocity rotor dynamics, avoiding signal degradation or saturation during peak operational vibration cycles.

Frequently Asked Questions

Q: Does this passive proximity probe assembly support component hot-swapping?

A: Yes. The 3300 XL 8 mm series probes are engineered with matched electrical properties, allowing direct physical replacement without requiring manual field calibration of the associated Proximitor Sensor.

Q: What are the primary performance risks if the standard 1.0-metre cable is spliced or modified?

A: Splicing alters the total loop inductance and capacitance. This shifts the nominal -10 VDC baseline position and invalidates the factory eddy-current probe scaling calibration.

Field Installation Guidelines

Mount the reverse mount probe housing securely into a heavy-duty sleeve or bracket assembly to isolate the sensor from secondary structural resonance. Ensure adequate physical clearance is maintained between the 8 mm tip and surrounding conductive metals to prevent side-viewing interference. Thread the assembly into the port until the dynamic gap voltage stabilizes at precisely -10 VDC on a calibrated digital voltmeter. Secure the outer locknuts to standard engineering torque limits to eliminate drift caused by operational thermal expansion. Keep the ClickLoc coaxial connection interface clean and dry within a sealed conduit box.

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