Product Overview
Bently Nevada 330103-00-11-10-02-00 Original Industrial Spare 3300 XL Compatible: Ensuring System Stability in Critical Rotating Machinery Applications
The Bently Nevada 330103-00-11-10-02-00 is an original eddy current proximity probe from the industry-leading 3300 XL Series, engineered for continuous, non-contact vibration and position measurement on rotating machinery in demanding industrial environments. Whether you are managing a planned shutdown, responding to an unscheduled outage, or building a strategic spare parts inventory, this probe delivers the measurement accuracy and long-term reliability that rotating equipment protection systems demand. Sourced directly and verified against OEM specifications, this unit is ready for immediate deployment as a drop-in replacement in any 3300 XL-compatible monitoring system.
Critical Technical Specs
| Part Number / SKU |
330103-00-11-10-02-00 |
| Brand |
Bently Nevada |
| Series |
3300 XL Proximity Transducer System |
| Probe Type |
Eddy Current (Non-contact) Proximity Probe |
| Probe Length |
11 inches (approx. 279 mm) |
| Cable Length |
10 feet (approx. 3 m) integral cable |
| Tip Diameter |
8 mm |
| Thread Size |
M10 x 1 |
| Operating Temperature |
-35°C to +177°C |
| Scale Factor |
200 mV/mil (7.87 V/mm) |
| Linear Range |
Approx. 2.0 mm (80 mil) |
| Target Material Compatibility |
Steel, stainless steel, iron-based alloys |
| System Compatibility |
3300 XL 8mm Proximity Transducer System; compatible with 3300 XL drivers and extension cables |
| Application |
Radial vibration, axial position, differential expansion, eccentricity measurement on turbines, compressors, pumps, motors |
| Installation |
Threaded mounting into proximity probe holder; gap set per OEM specification (typically 1.0–1.5 mm) |
| Origin |
United States |
| Condition |
Original, new or recertified OEM unit |
| Warranty |
12 Months |
Preventive Maintenance Strategy
In any rotating machinery protection program, the proximity probe is the first line of defense — but it never operates in isolation. When a 330103-00-11-10-02-00 probe is flagged for replacement during a scheduled outage or condition-based maintenance review, experienced maintenance engineers treat the event as an opportunity to audit the entire transducer chain and surrounding monitoring infrastructure.
Begin with the 3300 XL extension cable (e.g., 330130-series) that connects the probe to the driver. Extension cables are subject to mechanical fatigue, connector corrosion, and insulation degradation — particularly in high-temperature or high-vibration zones near bearing housings. A probe replacement that is paired with a worn extension cable will not restore full system accuracy. Inspect and replace the extension cable as a matched set whenever probe condition is in question.
Next, verify the condition of the 3300 XL proximitor/driver module (e.g., 3300/16 or 3300/20 series) housed in the monitoring rack. The driver converts the probe’s raw impedance signal into a calibrated DC voltage output. Driver modules that have accumulated years of service in high-ambient-temperature control rooms may exhibit drift in their output scaling, which can cause false alarms or missed trip events even when the probe itself is new. Bench-test or replace the driver module during the same maintenance window.
Within the Bently Nevada 3500 Series machinery protection rack — the most common host system for 3300 XL transducers — inspect the relevant I/O module cards, including the 3500/42M Proximitor/Seismic Monitor or 3500/40M Proximitor Monitor, for firmware currency and channel calibration. A newly installed probe should always be re-gapped and the channel re-calibrated against the monitor’s alert and danger setpoints to confirm the full measurement chain is performing within specification.
During the same cabinet inspection, review the 3500/15 Power Supply module and its redundant counterpart. Power supply degradation is a leading cause of intermittent transducer faults that are frequently misdiagnosed as probe failures. Confirm output voltage stability under load before closing out the work order.
For facilities running API 670-compliant machinery protection systems, this is also the appropriate time to verify that the Keyphasor transducer (e.g., 330180-series) associated with the same shaft is clean, properly gapped, and producing a clean once-per-revolution pulse. The Keyphasor signal underpins phase-referenced vibration analysis and dynamic balancing — a degraded Keyphasor will compromise the diagnostic value of all other proximity measurements on that machine train.
Finally, inspect the terminal blocks, shielded instrument cables, and grounding connections within the junction box between the field transducers and the monitoring rack. Loose terminations and ground loops are a persistent source of noise in eddy current measurement systems and are easily corrected during a planned outage at negligible cost compared to the diagnostic confusion they cause if left unaddressed.
Stocking a matched set — probe, extension cable, and driver — as a ready-to-deploy spare kit eliminates the most common cause of extended downtime: waiting for a single component to arrive while a critical machine sits idle.
Strategic Replacement Solutions
The 330103-00-11-10-02-00 is a direct OEM replacement for aging or failed probes in the 3300 XL 8mm transducer system. Because the 3300 XL platform has been in continuous service across global power generation, oil and gas, petrochemical, and heavy manufacturing facilities for decades, many sites are managing aging probe inventories where original procurement records are incomplete.
This part number encodes the probe’s key physical and electrical parameters: 11-inch probe body, 10-foot integral cable, standard 8mm tip, and 02 connector configuration. Facilities that have historically used the 330103-00-CN-10-02-00 (metric cable) or 330103-00-11-05-02-00 (5-foot cable) variants should confirm cable length and connector type against their installation drawings before ordering, as the 3300 XL system is not tolerant of mismatched probe-cable-driver combinations.
For sites undertaking a broader modernization — migrating from the 3300 XL platform to the newer Bently Nevada 3500 Series or Orbit 60 Series — this probe remains compatible with legacy 3300 XL drivers during the transition period, allowing phased upgrades without forcing a simultaneous replacement of all field transducers. This approach significantly reduces the capital outlay and installation risk associated with full-system cutover during a single outage window.
All units supplied by TOPNLMS are tested prior to shipment for electrical continuity, insulation resistance, and output linearity. Documentation packages including test reports are available upon request for facilities operating under ISO 55001 asset management or API 670 compliance frameworks.
Support FAQ
Q1: Is the 330103-00-11-10-02-00 compatible with my existing 3300 XL driver and extension cable?
Yes — provided your driver is a standard 3300 XL 8mm proximitor and your extension cable is a matched 3300 XL type (e.g., 330130-series). The complete transducer system (probe + extension cable + driver) must be used as a matched set. Mixing components from different series or manufacturers will result in calibration errors and potential false trips. Contact us with your existing part numbers for compatibility confirmation before ordering.
Q2: What is the warranty coverage and what does it include?
All units carry a 12-month warranty from the date of shipment. The warranty covers manufacturing defects and electrical performance failures under normal operating conditions. It does not cover damage resulting from improper installation, incorrect gapping, mechanical impact, or operation outside the specified temperature and environmental ratings. Warranty claims are processed with return shipping support and priority replacement dispatch.
Q3: How do I verify the probe is functioning correctly after installation?
After installation and gap setting (typically 1.0–1.5 mm from the target surface, per OEM specification), connect the probe to the driver and verify the DC output voltage falls within the linear range specified for your gap distance. Use the 3300 XL calibration curve (200 mV/mil scale factor) to confirm the output matches the physical gap. The 3500 Series monitor channel should then be re-calibrated and alert/danger setpoints verified before returning the machine to service.
Q4: Can I order in bulk for strategic spare parts inventory?
Yes. TOPNLMS supports bulk procurement for MRO inventory programs, turnaround planning, and OEM spare parts stocking. Volume pricing is available for orders of 3 units or more. We recommend stocking a minimum of one matched probe-cable-driver set per critical machine train, with additional probes for high-wear applications such as high-speed compressors and steam turbines. Contact our team for a spare parts planning consultation.