330130-085-00-00 | 8 mm Proximity Probe, Fast Ship

Description

Product Introduction

The Bently 330130-085-00-00 is an 8 mm proximity probe from the 3300 XL series, designed for non-contact measurement of shaft vibration, axial position, and eccentricity in rotating machinery. This probe uses eddy current technology to sense the distance between the probe tip and a conductive target, providing critical condition monitoring data for turbines, compressors, pumps, and generators. The 330130-085-00-00 includes the probe, integral cable, and connector, ready for connection to a Bently proximity system or third-party monitoring equipment.

The 3300 XL series is Bently Nevada’s industry-standard proximity probe system, widely used in power generation, oil and gas, and heavy industrial applications. The 330130-085-00-00 specifically denotes an 8 mm probe with a 5 mm tip diameter, 0.5 to 2.5 mm linear range, and a 0.5 m (20 inch) cable length with a miniature coaxial connector. This configuration is commonly used for radial vibration measurement on medium to large rotating machinery. For reliability engineers and maintenance professionals, using OEM Bently probes ensures consistent calibration, linearity, and system compatibility.

Key Technical Specifications

Key Selling Points & Differentiators

• OEM Bently Nevada Authenticity: Genuine Bently Nevada probe with full factory calibration and traceability. We do not sell third-party knockoffs or generic replacements.
• Industry Standard: 3300 XL series is the most widely used proximity probe system in critical rotating machinery applications. Direct replacement for existing Bently installations.
• Integral Cable: Cable is factory-molded to the probe body, eliminating connection points inside the machine casing and improving reliability in harsh environments.
• Wide Temperature Range: Rated for –35 to 177 °C, suitable for turbine bearing housings, compressor cases, and other high-temperature machinery applications.
• Hazardous Area Certified: ATEX, IECEx, CSA, and FM approvals for installation in potentially explosive atmospheres.

Frequently Asked Questions (FAQ)

Q: What machinery is the 330130-085-00-00 probe used for?
This 8 mm probe is typically used for radial vibration monitoring on medium to large rotating machinery, including:

• Gas turbines and steam turbines
• Centrifugal and axial compressors
• Large pumps and fans
• Generators and motors

It is also used for thrust position measurement and differential expansion monitoring in some applications.

Q: What is the difference between the 330130-085-00-00 and other 3300 XL probes?
The part number breaks down as follows:

• 330130: 8 mm probe series
• 085: 0.5 m (20 inch) integral cable length
• 00: Standard connector type (miniature coaxial)
• 00: Standard cable armor (unarmored)
• 00: Standard probe tip material (non-coated)

Variations in cable length, armor type, and connector configuration are available with different suffix numbers. This specific configuration is common for machines where the probe mounts directly into the bearing housing with short cable runs to a junction box.

Q: What extension cable and proximity system does this probe require?
The 330130-085-00-00 connects to a Bently 3300 XL extension cable (typically 330130-XXX-YY-00 series) to reach the proximity system. The complete system consists of:

• Proximity probe (this item)
• Extension cable (cable length based on machine routing)
• Proximitor sensor (3300 XL series, such as 330180-90-00)

The system requires a target material of AISI 4140 steel or equivalent for proper calibration and linearity.

Q: Can I use this probe with a non-Bently monitoring system?
Yes, with proper interface. The 3300 XL probe and extension cable system outputs a standard eddy current signal that can interface with many third-party vibration monitors, provided they support the 7.87 V/mm (200 mV/mil) sensitivity and correct impedance matching. However, for critical machinery, we recommend using the complete Bently system to ensure performance and reliability.

Q: What is the correct gap setting for this probe?
The recommended nominal gap (operating position) is approximately -10 V DC output, which corresponds to the midpoint of the linear range. For a 3300 XL system, this is typically 1.27 mm (50 mils) gap. The exact setting should be determined during installation per Bently Nevada application guidelines and machine manufacturer specifications.

Q: Can this probe be installed while the machine is running?
No. Proximity probes require the machine to be shut down for installation. The probe is threaded into a mounting hole in the bearing housing, and the gap is set with the shaft at rest. Attempting to install or adjust a probe on a running machine is dangerous and will result in probe damage or incorrect readings.

Q: What testing do you perform before shipping?
For new factory-sealed units, we do not break the seal to maintain OEM warranty eligibility. Our QC process includes visual inspection of packaging integrity, verification of the 330130-085-00-00 part number against Bently Nevada specifications, and anti-counterfeit checks including serial number validation. For units where testing is requested, we perform impedance verification and static gap calibration. A calibration certificate is available upon request.

9905-003-L PLC
9905-003 PLC
9905-016 IO
9905-068 PLC
9905-028
9905-796