Product Overview
When unplanned downtime threatens your rotating machinery, the Bently Nevada 146054-08-05-01-05 3300 Ceramic Capped Proximity Probe provides reliable vibration and position monitoring. This probe is part of the proven 3300 series, designed for harsh industrial environments. With a ceramic tip (Al2O3) and AISI 304 stainless steel case, it withstands demanding conditions while delivering accurate displacement measurements.
Key Specifications
- Part Number: 146054-08-05-01-05
- Model: 3300 Ceramic Capped Proximity Probe
- Thread: 3/8-24 UNF, without armor
- Overall Case Length: 0.8 in (Option -08)
- Total Probe Length: 0.5 meter (1.6 feet) (Option -05)
- Connector: Miniature coaxial ClickLoc connector with connector protector, standard cable
- Agency Approvals: CSA, ATEX, IECEx (Option -05)
- Probe Tip Material: Alumina ceramic (Al2O3)
- Probe Case Material: AISI 304 stainless steel
- Operating & Storage Temperature: -51°C to +177°C (-60°F to +351°F)
- Pressure Rating: 34 Bar (500 psi) nitrogen
- Linear Range: 1.52 mm (60 mils), from approximately 0.25 mm to 1.78 mm (10 to 70 mils) from target
- Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) ±6.5% including interchangeability error (5-metre or 9-metre system, 0°C to +45°C)
- Nominal DC Resistance (0.5m probe): 7.45 ± 0.50 ohms from center conductor to outer conductor
Industry Applications
This proximity probe excels in monitoring radial vibration and thrust position of critical rotating equipment such as steam turbines, centrifugal compressors, gearboxes, and large pumps. The ceramic tip offers excellent wear resistance in high-speed or contaminated environments. The 0.5-meter cable length suits installations where the probe is close to the Proximitor sensor, reducing signal degradation. With ATEX and IECEx approvals, it is suitable for hazardous area installations in oil & gas, petrochemical, and power generation facilities.
Installation & Setup Guidance
Mount the 146054-08-05-01-05 probe using the 3/8-24 UNF thread into a properly tapped hole. Ensure the target surface is clean and made of AISI 4140 steel for best accuracy. The maximum thread engagement is 0.563 inches. Connect the miniature coaxial ClickLoc connector to the extension cable, ensuring a secure click. Verify the system operates within the linear range (0.25 to 1.78 mm gap) for optimal performance. Calibrate the system with the specified target material to achieve the stated ISF.
Maintenance & Reliability
The 3300 ceramic capped probe requires minimal maintenance due to its robust construction. Periodically inspect the cable and connector for damage, especially in high-vibration areas. The probe is rated to seal 34 Bar (500 psi) nitrogen; for higher-pressure applications, contact Bently Nevada custom design. The wide operating temperature range (-51°C to +177°C) ensures reliable operation in extreme environments. Regular system verification using the linear range and ISF specifications helps maintain measurement accuracy.
Selection Guide & Purchasing Advice
When selecting a replacement or new probe, verify the overall case length, total length, connector type, and agency approval match your system requirements. The 146054-08-05-01-05 uses Option -08 (0.8 in case length), Option -05 (0.5m cable), Option -01 (miniature coaxial ClickLoc connector with standard cable), and Option -05 (CSA, ATEX, IECEx approvals). Ensure your Proximitor and extension cable are compatible with the 3300 5 mm system. SpareTechPLC stocks this probe as a new, original Bently Nevada product with full factory warranty. Contact our team to confirm availability and lead time for your order.
Frequently Asked Questions
Q: What is the linear range of the 146054-08-05-01-05 probe?
A: The linear range is 1.52 mm (60 mils), starting at approximately 0.25 mm (10 mils) from the target and extending to 1.78 mm (70 mils).
Q: What is the Incremental Scale Factor (ISF) for this probe?
A: For a 5-metre or 9-metre system, the ISF is 7.87 V/mm (200 mV/mil) ±6.5% including interchangeability error, measured in 0.25 mm increments over the linear range from 0°C to +45°C.
Q: What certifications does the 146054-08-05-01-05 carry?
A: This probe is approved for CSA, ATEX, and IECEx (Option -05), making it suitable for hazardous area installations.
Q: What is the maximum operating temperature for this probe?
A: The operating and storage temperature range is -51°C to +177°C (-60°F to +351°F).
Q: What is the nominal DC resistance of the 0.5m probe?
A: The resistance from center conductor to outer conductor is 7.45 ± 0.50 ohms.
