Bently Nevada 330851-04-000-030-10-00-05 3300 XL 25 mm Proximity Probe Transducer

Description

The Bently Nevada 330851-04-000-030-10-00-05 is a 3300 XL 25 mm proximity probe designed for use with the 3300 XL 25 mm Proximity Transducer System. It features a 27 mm smooth side-exit probe case, a 30 mm overall case length, 0 mm unthreaded length, and a 1.0-meter integrated cable without stainless steel armor. The probe is used together with a compatible 3300 XL 25 mm extension cable and 3300 XL 25 mm Proximitor Sensor to provide accurate non-contact measurement of shaft vibration and position. The probe is supplied with multiple hazardous area approvals for installation in certified industrial environments.

Parameter

Model: 330851-04-000-030-10-00-05 3300 XL 25 mm Proximity Probe Transducer
Probe Case Type Option: 04-Smooth 1.06 in dia -Side Exit
Unthreaded Length Option: 000-0.0 in
Overall Case Length Option: 030-30 mm
Total Length Option: 10-1.0 metre (3.3 feet)
Armor Option: 00-No Armor
Agency Approval Option: 05-Multiple Approvals

Frequently asked questions

Q:What is the Bently Nevada 330851-04-000-030-10-00-05？
A:The Bently Nevada 330851-04-000-030-10-00-05 is a high-performance 3300 XL 25 mm Proximity Probe designed for heavy-duty industrial machinery monitoring.

Q:What is a FluidLoc cable core, and what thermal limits can it withstand?
A:The integrated 75 Ω triaxial probe cable features patented FluidLoc technology. This design physically blocks moisture, chemical condensate, or pressurized machine oil from traveling through the internal copper braid into external enclosures. The probe body operates reliably in extreme temperatures ranging from -35°C to +200°C (-31°F to +392°F).

Q:Can I wire 330851-04-000-030-10-00-05 probe straight into a generic 3300 XL 8 mm Proximitor sensor?
A:No, The large 25 mm probe head operates on unique excitation frequencies and bridge impedance configurations. It must strictly be paired with a 3300 XL 25 mm Extension Cable and a 3300 XL 25 mm Proximitor Sensor to produce a linear signal Standard loops are factory-calibrated to an AISI 4140 steel target.

Application areas

The Bently Nevada 330851-04-000-030-10-00-05 is a high-performance 3300 XL 25 mm Proximity Probe designed for heavy-duty industrial machinery monitoring.

• Differential Expansion (DE): During turbine startup, shutdown, or transient load cycles, the rotor expands or contracts faster than the heavy outer casing. This probe measures this relative expansion delta precisely to prevent catastrophic blade-to-casing rubs. 
• Large Centrifugal & Axial Process Compressors: Installed on critical large-scale process compressors handling volatile media to monitor extensive axial float or thrust displacement induced by internal pressure gradients and thermal growth.
• Hazardous & Explosive Atmospheres: It is heavily deployed where volatile hydrocarbon gases, process chemical vapors, or explosive gas mixtures are continuously present.
• Oil & Gas: Petrochemical refining, LNG export facilities, and offshore production platforms protecting steam-driven critical compressors and gas turbine packages in volatile process environments.

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