330101-00-10-10-12-05 | Bently Nevada 8 mm Probe 3/8-24 UNF

Introduction: The 330101-00-10-10-12-05 and the Evolution of Vibration Monitoring

In the world of industrial machinery, the ability to detect subtle changes in vibration has transformed maintenance from reactive repairs to proactive reliability. The 330101-00-10-10-12-05 from Bently Nevada represents a key step in this evolution. Designed as a 3300 XL 8 mm probe with a 3/8-24 UNF thread and without armor, this sensor provides the precision needed for critical rotating equipment. With a 1.0 meter total length and a miniature coaxial ClickLoc connector with FluidLoc cable, it offers both performance and durability.

Key Features & Technical Specs of the 330101-00-10-10-12-05

• Probe Type: 3300 XL 8 mm probe, 3/8-24 UNF thread, without armor.
• Total Length Option: 1.0 meter (3.3 feet).
• Connector and Cable: Miniature coaxial ClickLoc connector, FluidLoc cable.
• Approvals: CSA, ATEX, IECEx.
• Linear Range: 2 mm (80 mils), beginning at approximately 0.25 mm (10 mils) from target.
• Incremental Scale Factor (ISF): 7.87 V/mm (200 mV/mil) ± 5% for standard 5 or 1 meter system.
• Probe Tip Material: Polyphenylene sulfide (PPS).
• Probe Case Material: AISI 303 or 304 stainless steel (SST).
• Operating Temperature Range (Standard Probe): -52°C to +177°C (-62°F to +350°F).
• Weight: 323 g/m (11.4 oz).

One distinctive spec is the patented TipLoc molding method, which provides a more robust bond between the probe tip and body, enhancing long-term reliability in harsh environments.

Applications & Use Cases

In industries such as oil and gas, power generation, and petrochemicals, the 330101-00-10-10-12-05 excels at monitoring shaft vibration and position in turbines, compressors, and pumps. Its 8 mm probe design offers thicker encapsulation of the coil, making it more rugged against physical abuse. The FluidLoc cable option prevents oil and other liquids from leaking out of the machine through the cable’s interior, which is critical in applications where fluid ingress could cause damage.

Installation & Setup

When installing the 330101-00-10-10-12-05, ensure the target surface is clean and within the recommended gap setting of -9 Vdc (approximately 1.27 mm or 50 mils) for radial vibration. Use field wiring of 0.2 to 1.5 mm² (16 to 24 AWG) with a 3-conductor shielded triad cable. The maximum length between the Proximitor Sensor and the monitor is 305 meters (1,000 feet). For optimal performance, follow the frequency response graphs in the datasheet to account for signal rolloff at high frequencies with longer cable runs.

Maintenance & Reliability

The 330101-00-10-10-12-05 is built for long service life, with a probe case made from AISI 303 or 304 stainless steel and a PPS tip that resists chemicals and wear. The patented CableLoc design provides 330 N (75 lbf) pull strength, reducing the risk of cable damage during installation or operation. Regular inspection of the probe and cable for physical damage is recommended, especially in high-vibration environments. The probe’s Viton O-ring seals differential pressure, but be aware that exposing the probe to temperatures below -34°C (-30°F) may cause premature failure of the pressure seal.

Compatibility & Integration

The 330101-00-10-10-12-05 is part of the Bently Nevada 3300 XL system and works seamlessly with 3300 XL Proximitor Sensors and extension cables. It is designed for use with standard monitoring systems that accept eddy-current probe inputs. The miniature coaxial ClickLoc connector ensures a secure, quick connection, while the FluidLoc cable option adds extra protection against liquid leaks. For system integration, refer to the official Bently Nevada documentation for proper wiring and configuration.

Frequently Asked Questions

Q: What is the linear range of the 330101-00-10-10-12-05?

A: The linear range is 2 mm (80 mils), beginning at approximately 0.25 mm (10 mils) from the target, corresponding to -1 to -17 Vdc output.

Q: What approvals does the 330101-00-10-10-12-05 carry?

A: This probe carries CSA, ATEX, and IECEx approvals, making it suitable for hazardous area installations.

Q: What is the recommended gap setting for radial vibration?

A: The recommended gap setting is -9 Vdc, approximately 1.27 mm (50 mils) from the target.

Q: What type of cable is used with the 330101-00-10-10-12-05?

A: It uses a miniature coaxial ClickLoc connector with FluidLoc cable, which prevents oil and other liquids from leaking out of the machine through the cable’s interior.

Q: What is the operating temperature range for the standard probe?

A: The operating and storage temperature range is -52°C to +177°C (-62°F to +350°F).

Product Support & Availability

The 330101-00-10-10-12-05 is available from Petro Auto Tech. Contact our team for current stock levels and lead times. We provide fast shipping and expert support to help you with your industrial automation needs.