Bently Nevada 146054-08-90-01-00 3300 Ceramic Capped Proximity Probe

Product Introduction

When critical machinery vibration threatens uptime, the Bently Nevada 146054-08-90-01-00 3300 Ceramic Capped Proximity Probe delivers precise displacement measurements. This probe is part of the trusted 3300 series, designed for non-contact vibration and position monitoring in rotating equipment. With a 3/8-24 UNF thread and no armor, it suits installations where space is limited and reliability is paramount.

Technical Specifications Breakdown

The 146054-08-90-01-00 offers several key specifications that define its performance:

Part Number Configuration: The "-08" indicates a 0.8 inch overall case length, while "-90" denotes a 9.0 meter (29.5 feet) total cable length. The "-01" connector option includes a miniature coaxial ClickLoc connector with connector protector and standard cable. Agency approval is not required ("-00").

Probe Case Thread: 3/8-24 UNF, with a maximum thread engagement length of 0.563 inches. This ensures secure mounting in standard probe holders.

Cable Length Options: Available in 0.5, 1, 2, 5, or 9 meters. The 146054-08-90-01-00 uses the 9-meter variant, providing flexibility for remote installations.

Probe Tip Material: Alumina ceramic (Al2O3), offering excellent wear resistance and electrical insulation for reliable proximity sensing.

Probe Case Material: AISI 304 stainless steel, providing corrosion resistance and durability in harsh industrial environments.

Industry Applications

This proximity probe excels in vibration monitoring for steam turbines, compressors, pumps, and electric motors. In a typical turbomachinery application, the 146054-08-90-01-00 mounts near the shaft to measure radial or axial displacement. Its ceramic tip withstands high temperatures up to +177°C, making it suitable for hot bearing housings. The 9-meter cable allows placement of the signal conditioning electronics away from the measurement point, reducing thermal stress on sensitive components.

Installation & Setup Guidance

Proper installation ensures accurate readings. First, verify the probe thread (3/8-24 UNF) matches the mounting hole. Use a torque wrench to tighten to manufacturer specifications—do not exceed 0.563 inches of thread engagement. Route the coaxial cable away from high-voltage lines to avoid interference. For optimal linear range (0.25 to 1.78 mm from target), set the initial gap at approximately 0.25 mm. Calibrate with an AISI 4140 steel target for best accuracy.

Maintenance & Reliability

Routine inspection of the probe tip and cable is recommended. Check for physical damage or contamination on the ceramic face. Clean gently with a soft cloth and isopropyl alcohol if needed. The stainless steel case resists corrosion, but avoid prolonged exposure to aggressive chemicals. The 12-month factory warranty covers defects in materials and workmanship. For extended life, operate within the temperature range of -51°C to +177°C.

Selection Guide & Purchasing Advice

Before ordering the 146054-08-90-01-00, confirm your system requirements: thread size, cable length, and connector type. This model uses a miniature coaxial ClickLoc connector—ensure your extension cable or Proximitor matches. BluePLC Industrial offers this probe new and in original factory packing. Contact their team to verify current lifecycle status and availability. For complete technical specifications, please contact BluePLC Industrial.