Product Overview

The Bently Nevada 330104-00-12-10-01-00 serves as a definitive solution for high-fidelity vibration and displacement measurement in mission-critical rotating machinery. As a core component of the 3300 XL series, this 8mm proximity probe provides sub-micron resolution for monitoring shaft radial vibration, axial position, and phase reference (Keyphasor). It operates on the eddy current principle, allowing for non-contacting measurements that remain unaffected by the presence of oil, water, or steam. Specifically engineered for integration with the Bently Nevada 3500 Monitoring System, this probe ensures maximum plant uptime by delivering stable, accurate data to emergency shutdown systems and predictive maintenance platforms. Whether deployed on steam turbines, compressors, or large industrial motors, the 330104 series offers unmatched thermal stability and signal linearity across its entire operational range.

Suffix Configuration Deciphering

The alphanumeric structure of the 330104 series defines the mechanical and electrical build specialized for varied casing requirements.

00 - Unthreaded Length

Specifies a 0.0-inch unthreaded length. This configuration allows the entire barrel to be threaded, providing the field engineer with maximum flexibility for depth adjustment when mounting the probe through a casing or bracket.

12 - Overall Case Length

Indicates a 1.2-inch total case length. This compact threading is optimized for bearing housings or specialized mounts where space is at a premium, yet high-precision sensing is required.

10 - Total Length Option

Represents a 1.0-meter (3.3 feet) integral cable length. This cable is physically attached to the probe head and is designed to connect to an extension cable to complete the total system length (typically 5m or 9m).

01 - Connector Option

Features a miniature coaxial connector with a connector protector. This ensures the connection remains isolated from conductive fluids and environmental contaminants, preventing signal shunting.

00 - Agency Approval Option

Confirms standard global industrial certifications. This unit is intended for standard environments where specialized explosion-proof ratings beyond the core series certifications are not required.

Technical Matrix

Field Commissioning Protocol

Successful installation requires precise gap calibration using a digital multimeter. Engineers must set the quiescent "Gap Voltage" to approximately -10.0 VDC to position the probe in the center of its linear range. When routing the integral cable, ensure a minimum bend radius of 25.4 mm (1.0 inch) to prevent internal conductor fatigue. We recommend using a Bently Nevada TK-3 or equivalent wobbulator to verify the scale factor and system linearity before full-scale operation. Ensure all coaxial connectors are finger-tight and shielded by the protector to eliminate electromagnetic interference.

Engineering Superiority

The 330104-00-12-10-01-00 excels in high-pressure and corrosive environments. Its polyphenylene sulfide (PPS) tip resists chemical erosion from aggressive lubricants and reactor fluids. This probe integrates flawlessly with TSI systems and DCS platforms such as Honeywell Experion PKS, providing a transparent view of machine health. The 3300 XL series improved design offers a more consistent scale factor than legacy 7200 series systems, allowing for better interchangeability and reduced calibration drift during long-term deployments in harsh thermal zones.

Logistics & Global Fulfillment

We understand the urgency of industrial maintenance and downtime prevention.

Lead Time: 2-7 days when payment finish through our prioritized logistics channel.

Shipping Partners: Expedited worldwide delivery via DHL, FEDEX, or UPS.

Protective Packaging: Every probe is shipped in specialized anti-static industrial packaging. We utilize vacuum-sealed barriers and shock-absorbent cushioning to ensure the precision-machined threads and the sensitive ceramic tip arrive in factory-sealed, pristine condition.

Site Engineer FAQs

Q1: Can I use this probe with an older 3300 Proximitor (non-XL)?

A1: Yes, the 3300 XL 8mm probes are electrically backward compatible with legacy 3300 Proximitor sensors. However, you will only achieve the enhanced performance benefits of extended linearity when using a full 3300 XL system.

Q2: How do I identify a faulty probe in the field?

A2: Check the "Monitor OK" status on your 3500 rack. If the monitor is in a "Not OK" state, measure the resistance of the probe. A healthy probe typically shows continuity in the coil; an open circuit or a dead short to the casing indicates a failed sensor.

Q3: Is the 1.0-meter cable length flexible for onsite modification?

A3: Absolutely not. The cable length is a tuned electrical parameter. Any modification to the length will change the system capacitance and invalidate the scale factor, leading to incorrect vibration data.

Q4: What is the purpose of the connector protector?

A4: The protector prevents moisture and oil from entering the coaxial connection. Even a small amount of oil inside the connector can cause signal "drift" or "spiking," which may trigger false alarms in your DCS.