Overview
Bently Nevada 330173-00-18-10-02-05 Spare Part for Factory Uptime
The Bently Nevada 330173-00-18-10-02-05 is an 8mm eddy-current proximity probe engineered for the 3300 XL Series continuous vibration monitoring system. Designed for long-term deployment in rotating machinery protection applications — including steam turbines, gas compressors, centrifugal pumps, and large induction motors — this probe delivers sub-micron displacement resolution and exceptional signal stability in harsh industrial environments. Sourced as an original-grade spare, each unit undergoes pre-shipment functional verification and ships with a support terms confirmed by quotation, making it a reliable choice for both emergency replacement and planned maintenance inventory.
For maintenance engineers managing critical rotating assets, the 330173-00-18-10-02-05 is a direct drop-in replacement for worn or damaged proximity probes within the 3300 XL monitoring loop. Its 18-inch (457 mm) armored extension cable and standard 10-32 UNF tip thread ensure compatibility with existing probe holders and conduit runs without mechanical rework. Procurement engineers can confidently stock this SKU as a long-cycle spare: the 3300 XL platform remains widely deployed across petrochemical, power generation, and heavy manufacturing facilities, and KNMKS maintains continuous inventory to support both spot orders and blanket purchase agreements.
Spare Maintenance Table
| Parameter | Specification |
|---|---|
| SKU / Part Number | 330173-00-18-10-02-05 |
| Brand | Bently Nevada |
| Series | 3300 XL |
| Probe Type | Eddy-Current Proximity Probe, 8mm |
| Cable Length | 18 inches (457 mm) armored extension |
| Thread Size | 10-32 UNF |
| Output Signal | -18 VDC nominal (200 mV/mil, 7.87 V/mm) |
| Operating Temperature | -35°C to +177°C (probe tip) |
| Target Material Compatibility | AISI 4140 steel, standard shaft materials |
| Linear Range | Approx. 0–90 mil (0–2.29 mm) |
| System Compatibility | 3300 XL Proximitor® Sensor, 3300 XL 8mm System |
| Connector | Standard coaxial, compatible with 3300 XL extension cables |
| Country of Origin | United States |
| Application | Radial vibration, axial position, differential expansion monitoring |
| Support terms | 12 Months — Tested & Verified Before Shipment |
Maintenance Planning for Continuous Operation
When replacing the 330173-00-18-10-02-05 proximity probe during a scheduled outage or emergency callout, a disciplined maintenance engineer will treat the probe as one node in a complete vibration monitoring loop. Begin by inspecting the mating 3300 XL Proximitor® Sensor (e.g., 330180-X1-05) for output voltage drift or connector corrosion — a degraded Proximitor will mask true shaft displacement data even after a new probe is installed. Verify the 3300 XL extension cable (typically 330130-series) for jacket abrasion, shield continuity, and connector seating; cable faults are a leading cause of false high-vibration trips that are misattributed to probe failure.
At the junction box or marshalling cabinet, check the terminal blocks and field wiring for loose terminations and moisture ingress — particularly in outdoor or wash-down environments. If the machine is protected by a 3500 Series rack (e.g., 3500/42M Proximitor/Seismic Monitor), confirm that the monitor card’s input impedance and gap voltage settings match the replacement probe’s sensitivity. For facilities running a System 1® Evolution or TDIXconnect data acquisition platform, re-zero the gap voltage and update the probe calibration record in the historian after installation.
Procurement teams building a resilient spare parts inventory for 3300 XL-protected assets should also stock the 330130-080-00-00 extension cable, a set of 330105-series probe holders for common shaft diameters, and at minimum one spare 3500/42M monitor card per critical machine train. For facilities with aging DCS or safety instrumented systems, consider pairing the vibration monitoring spares with a buffer stock of 3500/20 rack power supply modules to prevent a single power fault from taking down the entire protection rack during a high-consequence outage.
Site Replacement Workflow
1. Pre-Isolation Verification: Record the existing probe gap voltage (typically –10.0 VDC ±0.5 V at nominal gap) and vibration baseline from the 3500 monitor or DCS historian. This establishes the acceptance criterion for the replacement unit.
2. Safe Isolation: Follow site LOTO procedures. De-energize the Proximitor sensor supply (–24 VDC) at the field junction box before disconnecting the probe coaxial connector to avoid electrostatic discharge to the monitor input card.
3. Mechanical Removal: Back out the probe from the holder using the correct spanner. Note the gap setting (number of turns from contact) for reference during reinstallation. Inspect the probe tip for impact damage or shaft scoring that may indicate a bearing or alignment issue requiring separate corrective action.
4. Installation of 330173-00-18-10-02-05: Thread the replacement probe to the same gap reference point. Fine-adjust gap voltage to –10.0 VDC ±0.2 V using a calibrated DC voltmeter at the Proximitor output terminals. Lock the probe with the jam nut and apply thread-locking compound per OEM torque specification.
5. Loop Verification: Re-energize the Proximitor supply and confirm output voltage, vibration reading at slow-roll, and alarm/trip relay response at the 3500 monitor. Document results in the maintenance management system (CMMS) and update the calibration record.
6. Return to Service: Clear the bypass, confirm the machine protection system is fully armed, and monitor the first 30 minutes of operation for any anomalous vibration trend before releasing the asset to production.
Spare Parts Support FAQ
Q1: Is the 330173-00-18-10-02-05 a direct OEM-equivalent replacement for the original Bently Nevada part?
Yes. This SKU matches the original Bently Nevada 330173-00-18-10-02-05 specification — 8mm eddy-current probe, 18-inch armored cable, 10-32 UNF thread, –200 mV/mil sensitivity — and is fully compatible with the 3300 XL Proximitor® Sensor and 3500 Series monitor racks without reconfiguration.
Q2: What pre-shipment testing is performed on each unit?
Every 330173-00-18-10-02-05 unit shipped by KNMKS undergoes gap voltage output verification, cable continuity and shield integrity testing, and connector inspection before dispatch. A test report is available upon request for critical-asset procurement.
Q3: Can KNMKS support long-term or blanket purchase agreements for this SKU?
Yes. KNMKS maintains continuous inventory of the 330173-00-18-10-02-05 and related 3300 XL system components. Blanket orders, annual supply agreements, and consignment stocking arrangements are available for facilities with multiple protected machine trains. Contact admin@knmks.com to discuss volume pricing and lead-time commitments.
Q4: What is the support terms coverage and what does it include?
All units carry a support terms confirmed by quotation from the date of shipment, covering manufacturing defects and functional failure under normal operating conditions. KNMKS provides replacement or documented resolution support for any unit that fails within the confirmed support period, subject to return inspection. Support requests are processed within 5 business days of receipt of the returned unit.
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Product Identification
- Brand / Ecosystem
-
Bently Nevada
Bently Nevada - Model / Series
-
330173-00-18-10-02-05
Bently Nevada 3300 XL / 3301 Series - Product Family
- Sensors
- Availability Status
- Available on request after model and quantity confirmation
- Inquiry Type
- B2B RFQ, replacement inquiry and project spare-part request
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- Exact SKU, brand, series, quantity, nameplate photos and destination country are checked before quotation
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Specification & Inquiry Focus
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- 330173-00-18-10-02-05
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Include quantity, destination country and photos if this is a maintenance replacement. The inquiry will be saved with a reference number after submission.
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