Bently Nevada 330101-04-28-10-02-00 3300 XL 8 mm Proximity Probe Transducer System

Description

The Bently Nevada 330101-04-28-10-02-00 is a 3300 XL 8 mm proximity probe designed for shaft vibration and position measurement in rotating machinery. It features a 3/8-24 UNF threaded probe without armor, a 0.4-inch unthreaded length, a 2.8-inch overall case length, and a 1.0-meter standard cable terminated with a miniature coaxial ClickLoc™ connector. Intended for use as part of the 3300 XL 8 mm Proximity Transducer System, the probe provides reliable non-contact measurement for machinery condition monitoring applications. 

Parameter

Model: 330101-04-28-10-02-00 3300 XL 8 mm Proximity Probe 
Unthreaded Length Optionr: 04-0.4 in
Overall Case Length Option: 28- 2.8 in
Total Length Option: 10-1.0 meter (3.3 feet)
Connector and Cable-Type Option: 02-Miniature coaxial ClickLoc connector standard cable
Agency Approval Option: 00-Not required  

Frequently asked questions

Q:What is the Bently Nevada 330101-04-28-10-02-00？
A:The Bently Nevada 330101-04-28-10-02-00 is a standard 3300 XL 8mm proximity transducer probe designed for non-contact shaft vibration, axial displacement, and speed (Keyphasor) measurements on critical rotating machinery.

Q:What is 330101-04-28-10-02-00  the temperature rating of the PPS tip? Can it be submerged in bearing lube oil?
A:The probe tip is molded from high-strength PPS (polyphenylene sulfide) engineering plastic. The probe head and cable are fully rated to withstand temperatures from -51°C to +177°C (-60°F to +350°F). Thanks to the advanced mechanical and chemical seal between the tip and the stainless steel case, it is specifically designed to be continuously and fully submerged in hot bearing lube oil inside turbines or compressors without any degradation.

Q:What are the physical constraints of the 0.4" unthreaded and 2.8" case length for the Bently Nevada 330101-04-28-10-02-00?
A:The configuration of the Bently Nevada 330101-04-28-10-02-00 features a 2.8-inch overall case length (Option 28) with a 0.4-inch unthreaded tip section (Option 04), leaving 2.4 inches of usable thread for bracket mounting. Field installers must ensure that the mounting bracket or housing provides adequate clearance to accommodate the 2.4-inch threaded segment without placing physical stress on the unarmored cable exit.

Application areas

The Bently Nevada 330101-04-28-10-02-00 unarmored probe is highly optimized for internal bearing housing installations.

• Safe and Protected Areas (-00 Option): Because this configuration features standard -00 approvals and an unarmored 330101 jacket, it is primarily targeted for routing inside clean internal housings, external metal conduits, or conventional plant areas that do not strictly dictate standalone hazardous location barriers.
• Flooded Lube Oil & Muck Environments: Sealed with high-strength PPS, it is engineered to operate reliably while fully submerged in hot turbine lube oil (-51°C to +177°C) . Its bare Teflon jacket (unarmored) allows smooth cable routing through internal bearing cavities or sealed conduits without chemical degradation .
• High-Pressure Centrifugal & Axial Compressors: Heavily used on various process gas compressors across the oil, gas, and chemical industries to diagnose rotor unbalance, misalignment, and oil-whirl anomalies.
• Heavy-Duty Process Pumps, Blowers, & Generators: Monitors critical shaft lines on large boiler feed pumps, blast furnace blowers, and main generators within metallurgical, water processing, and paper mills.

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