330191-00-16-05-CN | Bently Nevada 8mm Proximity Probe

Product Overview

When machine vibration threatens uptime, the Bently Nevada 330191-00-16-05-CN delivers the precision you need. This 3300 XL 8 mm ETR proximity probe is engineered for reliable shaft vibration and position monitoring in critical rotating machinery. As part of the trusted 3300 XL series, this probe offers enhanced durability and consistent performance, making it a smart investment for plants seeking to minimize unplanned downtime.

The 330191-00-16-05-CN features a 3/8-24 UNF thread and a total length of 0.5 meters (1.6 feet), with a minimum unthreaded length of 0.0 inches. This configuration suits many standard mounting requirements. The probe operates with a supply voltage of -17.5 Vdc to -26 Vdc (when installed with nonincendive circuit per drawing 140979, at 12 mA max), ensuring compatibility with Bently Nevada monitoring systems.

Key Technical Specifications

Part Number: 330191-00-16-05-CN

Model: 3300 XL 8 mm ETR Probe, 3/8-24 UNF thread, without armor

Total Length: 0.5 meters (1.6 feet)

Minimum Unthreaded Length: 0.0 inches

Supply Voltage: -17.5 Vdc to -26 Vdc (with nonincendive circuit, per drawing 140979, at 12 mA max)

Sensitivity: Less than 2 mV change in output voltage per volt change in input voltage

Output Resistance: 50 Ω

Probe Tip Material: Polyphenylene sulfide (PPS)

Probe Case Material: AISI 303 or 304 stainless steel

Cable Type: 75Ω triaxial, FEP insulated (standard) or PFA insulated (extended temperature range)

Connector Material: Gold-plated brass or gold-plated beryllium copper

Maximum Connector Torque: 0.565 N•m (5 in•lbf)

Probe Case Thread: 3/8-24, max engagement 0.563 in

Temperature Classification: T1 to T5 (ambient -55°C to +232°C depending on class)

Industry Applications

This proximity probe is ideal for monitoring shaft vibration in turbomachinery, compressors, pumps, and electric motors. Its robust design, with a thicker PPS encapsulation and stainless steel case, withstands harsh industrial environments. The patented TipLoc and CableLoc designs provide a more secure bond and 330 N (75 lbf) pull strength, reducing the risk of cable failure. For plants focused on predictive maintenance, the 330191-00-16-05-CN helps detect early signs of mechanical issues, enabling timely intervention and avoiding costly breakdowns.

Installation & Setup Guidance

Proper installation is critical for accurate readings. Ensure the probe tip is correctly positioned relative to the shaft surface, following the manufacturer's guidelines. Use the specified torque of 0.565 N•m (5 in•lbf) for connectors to avoid damage. When routing the cable, avoid sharp bends and excessive tension. For systems without an extension cable (one-meter systems), the probe connects directly to the monitor. Always verify the supply voltage is within the specified range to maintain linear output.

Maintenance & Reliability

The 3300 XL 8 mm probe is designed for long-term reliability. The robust case and cable design minimize wear. However, periodic inspection is recommended, especially in high-vibration or high-temperature environments. Check the cable for any signs of abrasion or damage. The FluidLoc option (if ordered) prevents oil leakage through the cable interior, which is beneficial in oil-lubricated machinery. Regular calibration checks ensure consistent performance. By investing in this durable probe, you reduce the frequency of replacements and associated labor costs.

Compatibility & Integration

This probe is designed to work with Bently Nevada monitoring systems, including the 3300 XL series. It connects to extension cables (if used) and then to a proximitor or monitor. The probe's entity parameters are met when used with BN extension cables and connected to BN Prox. Ensure your system supports the -17.5 Vdc to -26 Vdc supply. For new installations, verify the total length (0.5 m) matches your system's requirements. For existing systems, confirm the thread type (3/8-24 UNF) and unthreaded length fit your mounting setup.

Buying Guide & Support

When ordering the 330191-00-16-05-CN, confirm the total length, thread type, and agency approval (CN) meet your site's specifications. BluePLC Industrial offers this probe as new and original in factory packing, with a 12-month warranty. We recommend verifying compatibility with your existing Bently Nevada system before purchase. For assistance, contact our team to ensure you select the correct probe for your application. With fast shipping and genuine parts, BluePLC Industrial is your reliable partner for industrial automation components.

For complete technical specifications for the 330191-00-16-05-CN, please contact BluePLC Industrial.