Bently Nevada 173687-01-50-12-05 3300 XL 8 mm Proximity Probe

Product Overview

The Bently Nevada 173687-01-50-12-05 is a 3300 XL 8 mm proximity probe designed for precise vibration and position measurement in rotating machinery. This probe features a 1/2-14 NPT mounting thread, a polyphenylene sulfide (PPS) tip, and an AISI 303 or 304 stainless steel case. With a system length of 5.0 metres (16.4 feet) and a miniature ClickLoc coaxial connector with FluidLoc cable, it ensures reliable signal transmission in demanding industrial environments. The probe carries CSA, ATEX, and IECEx approvals, making it suitable for hazardous area installations.

Key Specifications

The 173687-01-50-12-05 offers the following technical parameters:

Manufacturer: Bently Nevada

Product Type: 3300 XL 8 mm Proximity Probes

Mounting Thread: 1/2-14 NPT

Armor Option: No Armor

Unthreaded Length: 0.1 inches

Overall Case Length: 5 inches

System Length: 5.0 metres (16.4 feet)

Connector: Miniature ClickLoc coaxial connector with FluidLoc cable

Approvals: CSA, ATEX, IECEx

Probe Tip Material: Polyphenylene sulfide (PPS)

Probe Case Material: AISI 303 or 304 stainless steel (SST)

Weight: 0.323 kg

Industry Applications

This proximity probe is ideal for vibration monitoring on turbines, compressors, pumps, and motors in industries such as oil and gas, power generation, and petrochemical. The CSA, ATEX, and IECEx approvals allow installation in explosive atmospheres. The PPS tip and stainless steel case provide durability in harsh environments, while the 5.0-metre cable offers flexibility for remote mounting.

Installation and Setup

Mount the 173687-01-50-12-05 using the 1/2-14 NPT thread into a compatible probe holder or bracket. Ensure the probe tip is positioned at the correct gap from the target surface per the 3300 XL system manual. The miniature ClickLoc connector simplifies cable attachment, and the FluidLoc cable option is available for applications requiring additional fluid resistance. Verify the system length of 5.0 metres meets your installation distance before mounting.

Maintenance and Reliability

Regularly inspect the probe cable and connector for wear or damage. Keep the probe tip clean and free of debris to maintain accurate measurements. The stainless steel case resists corrosion, and the PPS tip withstands high temperatures. For pressure-sealed applications, contact Bently Nevada if pressure testing is required. Routine checks ensure long-term reliability in critical machinery monitoring.

Selection Guide and Purchasing Advice

When ordering the 173687-01-50-12-05, confirm the system length, connector type, and approval requirements match your application. This model includes CSA, ATEX, and IECEx approvals, suitable for global hazardous locations. BluePLC Industrial stocks this probe and can assist with compatibility questions. Contact us for current availability and pricing.