330876-02-50-00-00 Bently Nevada 3300 XL Datasheet & Technical Manual

Bently Nevada 330876-02-50-00-00 3300 XL 50 mm Proximity Probes

Bently Nevada 330876-02-50-00-00 3300 XL 50 mm Proximity Probes

Availability: 10 left in stock

The Bently Nevada 330876-02-50-00-00, also cataloged as the 3300 XL 50 mm Proximity Probe, operates as a dedicated hardware component...

SKU: 330876-02-50-00-00

Manufacturer: Bently Nevada
Product No.: 330876-02-50-00-00
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The Bently Nevada 330876-02-50-00-00, also cataloged as the 3300 XL 50 mm Proximity Probe, operates as a dedicated hardware component for non-contact vibration and axial position sensing within machinery monitoring platforms. The transducer converts physical gap clearance changes into radio-frequency eddy-current impedance variations, yielding linear voltage outputs proportional to target displacement without mechanical contact.

Suffix Breakdown & Model Matrix

Option Code	Parameter Designation	Configured Specification
02	Probe Case Type Option	M14x1.5 Thread Case
50	Total Length Option	5.0 meters (16.4 feet)
00	Armor Option	High Temperature FluidLoc Cable
00	Agency Approval Option	No Approvals

Hardware Specifications

Parameter	Specification
Model	330876-02-50-00-00
Brand	Bently Nevada
Origin	Made in U.S.A.
Weight	2 kg (4.41 lbs)
Dimensions	M14x1.5 Thread Case, 5.0 meters total cable length
Operating Temp	-51 deg C to +200 deg C (-31 deg F to +392 deg F)
Power Consumption	Passive transducer element (powered via system Proximitor sensor)
Cable Type	High Temperature FluidLoc Cable

Eddy-Current Probe Scaling and Gap Voltage Validation

The 3300 XL 50 mm transducer utilizes high-frequency eddy-current probe scaling to measure target displacement over extended linear ranges. Field calibration verification relies on gap voltage validation at the Proximitor sensor output, maintaining a target nominal bias near -10 VDC at the mechanical mid-span. Proper voltage targeting ensures linear response during dynamic rotor dynamics excursions, avoiding signal clipping under transient conditions. Correct coaxial cable routing and terminal shield isolation provide cross-talk suppression between neighboring sensor channels installed within the same bearing housing.

Frequently Asked Questions

Q: What is the primary function of the gap voltage verification step?

A: Gap voltage verification ensures the probe tip is mechanically positioned within the linear center of its electrical measurement range, typically set to a -10 VDC bias output under static conditions.

Q: Can the 5.0-meter integral cable be trimmed or spliced in the field?

A: No. Trimming or splicing the cable alters the calibrated system capacitance and inductance, compromising the factory probe scaling accuracy.

Field Installation Guidelines

Mount the probe housing into the machine casing thread, ensuring a minimum engagement of 5 full threads on the M14x1.5 body. Maintain an unthreaded clearance zone around the probe tip equal to at least two tip diameters to prevent metallic side-wall interference. Route the High Temperature FluidLoc cable through dedicated grounded conduit, keeping total bend radii above the minimum flexible cable allowance. Terminate cable shielding at a single system reference ground to avoid ground loop current interference.

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Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Engineering Lead, Germany

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