330141-08-90-02-00 Bently Nevada 3300 XL 8 mm Probe, 9.0 m

What Makes the 330141-08-90-02-00 Bently Nevada Probe Reliable?

How can a single sensing element withstand the mechanical abuse and thermal extremes of a steam turbine casing? The 330141-08-90-02-00 answers that question through a ruggedized 8 mm probe design. As part of the Bently Nevada 3300 XL series, this probe delivers engineering-grade precision for radial vibration and axial position measurements. Its armored construction and 9.0 meter total length suit installations where the probe must reach deep into a machine while the connector remains in a protected junction box.

Key Features and Verified Specifications of the 330141-08-90-02-00

The 330141-08-90-02-00 combines a thicker probe tip encapsulation with a robust stainless steel case. Consequently, it resists physical abuse better than smaller diameter probes. The patented TipLoc molding method creates a stronger bond between tip and body, while the CableLoc design provides 330 N (75 lbf) pull strength. These features directly reduce the risk of cable separation in high-vibration environments.

• Probe type: 3300 XL 8 mm probe with armor.
• Total length: 9.0 meters (29.5 feet).
• Connector: Miniature coaxial ClickLoc, standard cable.
• Probe tip material: Polyphenylene sulfide (PPS).
• Case material: AISI 303 or 304 stainless steel.
• Nominal DC resistance: 9.87 ± 0.50 Ω at 9.0 m.
• Incremental Scale Factor: 7.87 V/mm (200 mV/mil) ± 6.5% for 9 m systems.
• Operating temperature: −52°C to +177°C standard probe.

For specifications not listed here, refer to the official Bently Nevada datasheet.

Installation and Integration Notes for the 330141-08-90-02-00

Mounting the probe requires attention to the target surface and the extension cable path. Because the 9.0 meter cable is factory-terminated with a Miniature coaxial ClickLoc connector, routing should avoid sharp bends and hot surfaces. The armored cable protects the conductor, yet the connector remains the most delicate point. Therefore, secure the cable near the connector to prevent strain.

Integrating this probe into a 3300 XL monitoring system typically involves a proximitor and extension cable. The system measures the probe's DC resistance and scale factor to verify proper operation. If the application uses a fieldbus network, wiring may require an external gateway or connection module. Confirm exact cable and gateway requirements with AutoDCSTech before ordering.

Maintenance and Reliability of the 330141-08-90-02-00

Periodic inspection of the probe tip and cable armor helps maintain measurement integrity. Check for oil leakage, abrasion, or loose connectors during scheduled machine shutdowns. The Viton O-ring seals differential pressure between tip and case, but probes are not pressure tested prior to shipment. Additionally, exposure below −34°C (−30°F) may cause premature seal failure. Therefore, respect the specified temperature range to avoid unplanned downtime.