BENTLY NEVADA 330103-00-03-10-01-05 Proximity Probe – Precision shaft vibration and position sensing for 3300 XL systems

The BENTLY NEVADA 330103-00-03-10-01-05 is a 3300 XL proximity probe assembly engineered for stable eddy-current displacement measurements on rotating equipment. It’s the kind of probe you specify when you need repeatable gap readings, clean vibration signals, and long service life in hot, oily machine environments. From my experience, this build works seamlessly with the 3300 XL Proximitor Sensor to deliver the familiar 200 mV/mil (7.87 mV/µm) system sensitivity that most plants standardize on.

Company’s Order Placement Process and Guarantees

• Warranty: 365 days
• Lead time: typically 1 week for in-stock items; no more than 1 month at the latest
• Payment: 50% advance payment; full payment prior to delivery
• Express options: FedEx, UPS, DHL

Key Features

• 3300 XL architecture – Designed to operate with the matching 3300 XL Proximitor Sensor for stable, low-noise displacement measurements.
• Consistent system sensitivity – When paired with the correct Proximitor, you get the standard 200 mV/mil (≈7.87 mV/µm) output that most monitoring systems and protection relays expect.
• Robust temperature capability – Probe assemblies in this series are typically rated for harsh environments, supporting high-temperature machine zones.
• Industrial-grade construction – Corrosion-resistant materials and oil-resistant cable help the probe survive in compressors, turbines, and large motors.
• Build-code flexibility – The -00-03-10-01-05 configuration generally denotes a standard mechanical form and cable configuration that suits common brackets and cable routing practices.
• Drop-in compatibility – Fits into standard Bently Nevada probe holders and brackets; easy to retrofit during planned overhauls.

Technical Specifications

Brand / Model	BENTLY NEVADA 330103-00-03-10-01-05 (3300 XL proximity probe)
HS Code	9031.80.0000 (Other measuring or checking instruments)
Power Requirements	None (passive probe); powered via matching 3300 XL Proximitor Sensor
Operating Temperature	Probe assemblies in this series typically: -51°C to +177°C
Signal Input/Output Types	Eddy-current displacement probe to Proximitor; system output (via Proximitor): ~200 mV/mil (≈7.87 mV/µm)
Communication Interfaces	Not applicable (analog displacement system via Proximitor)
Dimensions & Weight	Cylindrical probe body with integral cable (length/configuration per build code); compact for standard brackets. Weight: application-dependent.
Installation Method	Threaded mount into a probe holder or bracket; locknut seating and precise gap set to the shaft target
Compatible Hardware	3300 XL Proximitor Sensor and matching extension cable (select per tip size and build code)

Application Fields

You’ll typically see this probe on critical rotating assets where shaft vibration and axial/radial position need tight control:

• Steam and gas turbines (bearing vibration, shaft relative displacement)
• Compressors and expanders in oil & gas and petrochem
• Large motors, generators, and gearboxes
• Pumps and paper machine rolls where journal condition matters

One thing I appreciate is how repeatable the readings are after a shutdown—gap resets are straightforward, and the signal usually cleans up quickly once the machine warms through.

Advantages & Value

• Reliability – Proven 3300 XL probe design with good immunity to oil and electrical noise.
• Compatibility – Works with established Bently Nevada monitoring racks and protection systems that expect the XL signal chain.
• Lifecycle cost – Durable construction reduces probe replacements between overhauls, saving labor and unplanned downtime.
• Technical confidence – Known calibration behavior on standard steel targets; technicians are usually familiar with setup and gap checks.

Installation & Maintenance

• Mounting – Install in a rigid probe bracket or bearing housing with proper thread engagement; locknut to secure final position.
• Gap setting – Set the cold gap to the OEM’s spec (often around the mid-linear range). You might notice best results when the final operating gap lands near mid-scale.
• Cable routing – Route away from high-voltage cabling and VFDs; avoid tight bend radii and sharp edges. Maintain clean connections to the Proximitor.
• Environment – Keep the cabinet for the Proximitor ventilated; avoid condensation and ensure good grounding of the rack and machine.
• Routine checks – Verify gap at each outage, clean the probe tip if fouled, and inspect cable armor/strain relief. Re-verify scale factor if target material or geometry changed.

A reliability engineer at a refinery mentioned that switching to fresh 3300 XL probes during a bearing swap cut their startup balancing time—signals stabilized quicker and trending was cleaner within the first hour.

Quality & Certifications

• Manufacturer quality system: typically ISO 9001 for production sites
• Product compliance: commonly CE and RoHS for electronic measurement assemblies
• Warranty (our supply): 365 days

Recommended Supporting Components

• 3300 XL Proximitor Sensor – The required driver that powers the probe and provides the 200 mV/mil output to your monitor.
• 3300 XL Extension Cable – Match length and connector style to your installation; keep total system length within spec for proper calibration.
• Probe brackets and locknuts – Use rigid mounts aligned to the shaft centerline for best signal quality.