Bently Nevada 330102-00-35-10-02-CN 3300 XL Probe

Product Overview

Bently Nevada 330102-00-35-10-02-CN 3300 XL Proximity Probe: Seamless Replacement & Upgrade Solution

The Bently Nevada 330102-00-35-10-02-CN is a 3300 XL Series eddy-current proximity probe engineered for continuous, non-contact vibration and position measurement on rotating machinery. As legacy 3300 XL installations age and original spares become increasingly difficult to source, plant engineers and reliability teams are turning to verified replacement units to maintain uptime without committing to a full system overhaul. TOPNLMS supplies this exact part number from controlled inventory, fully tested and ready to ship, backed by a 12-month warranty.

Whether you are replacing a failed probe on a steam turbine, compressor train, or pump skid, or executing a planned migration away from an end-of-life monitoring architecture, the 330102-00-35-10-02-CN integrates directly into your existing 3300 XL signal conditioning chain. The probe mates with the standard 3300 XL extension cable and the 3300 XL proximitor/driver module without any wiring modification, preserving your existing cable routing and junction box layouts. The 5-metre (standard) armored cable and the industry-standard 8 mm tip diameter ensure physical interchangeability with the original factory-installed unit.

Compatibility Comparison Table

Seamless Upgrade Solutions

A successful 3300 XL probe replacement rarely involves the probe alone. In most field retrofit scenarios, the 330102-00-35-10-02-CN is installed as part of a broader condition-monitoring refresh. The 3300 XL 8 mm Proximitor/Driver (330180-91-00) is the signal conditioning module that pairs directly with this probe; if the proximitor has accumulated years of service, replacing both simultaneously eliminates a second potential failure point and avoids a repeat shutdown. The extension cable — typically a 330130-series armored cable — connects the probe to the proximitor and should be inspected for jacket damage or connector corrosion during any probe swap.

On the monitoring system side, the analog output from the proximitor feeds into a 3500 Series Machinery Protection System rack. Cards such as the 3500/42M Proximitor/Seismic Monitor Module receive the −24 VDC-powered probe signal and convert it into vibration and position data for the plant DCS or safety system. If your facility is migrating from an older 3300 rack to the 3500 platform, the 330102-00-35-10-02-CN probe remains fully compatible — the signal chain and sensitivity constants are preserved, requiring only a reconfiguration of the 3500 rack I/O card rather than any field wiring change.

For plants running a Bently Nevada System 1 condition monitoring software environment, the probe data flows through the 3500 rack’s Ethernet or Modbus TCP gateway module into the historian without modification. Sites still operating legacy 3300/20 or 3300/25 monitor cards can also use this probe directly, as the 3300 XL probe family maintains backward signal compatibility with earlier 3300-series monitors. Where terminal block connections are being refreshed, the 3500 I/O Module Terminal Board provides a clean landing point for field wiring and simplifies future maintenance access.

In applications where the probe is mounted in a high-temperature or high-vibration environment — such as a gas turbine bearing housing — pairing the replacement probe with a 3300 XL High-Temperature Extension Cable ensures the signal path remains stable across the full operating range. For new installations or skid upgrades where the probe boss geometry differs from the original, a Bently Nevada probe mounting adapter bracket allows the 8 mm probe to be positioned correctly without machining the bearing housing. Finally, where multiple probes are being replaced across a machine train, a 3500/22M Transient Data Interface card can be added to the 3500 rack to capture startup and shutdown waveform data, supporting a more complete migration to a modern predictive maintenance architecture.

Retrofit Guidance FAQ

Q: Can I install the 330102-00-35-10-02-CN without modifying my existing wiring?
Yes. The probe uses the standard 3300 XL coaxial connector and the same cable color coding as the original unit. No wiring changes are required at the junction box or the proximitor terminal strip.

Q: Do I need to recalibrate the proximitor after replacing the probe?
In most cases, no. Because the replacement probe maintains the same 7.87 V/mm sensitivity and the same linear range as the original, the proximitor gap voltage and alarm setpoints remain valid. A gap voltage verification check at commissioning is recommended as best practice.

Q: Is this probe compatible with my existing 3500 rack configuration?
Yes. The 3500/42M and other 3500-series proximity monitor cards accept the standard 3300 XL probe signal without any firmware or configuration change. The probe sensitivity constant (200 mV/mil) is already pre-loaded in the 3500 rack database for this probe family.

Q: What is the physical installation space requirement?
The 330102-00-35-10-02-CN uses the standard 8 mm probe body diameter and the same thread specification as the original. No bearing housing modification or bracket change is required for a direct replacement.

Q: Can this probe be used to replace units from an older 3300/20 or 3300/25 monitoring system?
Yes. The 3300 XL probe series is backward compatible with earlier 3300-series monitor cards. The signal output and connector interface are identical, making this a valid replacement even in legacy monitoring architectures.

Q: How do I verify the probe is functioning correctly after installation?
With the machine stationary, measure the DC gap voltage at the proximitor output. For a correctly installed 8 mm probe at the nominal gap (1.0 – 1.5 mm), the output should read approximately −10 to −12 VDC. This confirms the probe, extension cable, and proximitor are operating within specification before startup.

Warranty Assurance

Every 330102-00-35-10-02-CN unit shipped by TOPNLMS is covered by a 12-month warranty from the date of delivery. Prior to dispatch, each probe undergoes a functional output verification test to confirm sensitivity, linearity, and connector integrity. Units that do not meet specification are quarantined and never shipped.

In the event of a warranty claim, TOPNLMS provides a replacement unit or full refund — whichever the customer prefers — without requiring the original unit to be returned before the replacement is dispatched, minimizing plant downtime. Our after-sales response target is one business day for all warranty inquiries. Shipping is handled via DHL Express or FedEx International Priority from our Xiamen warehouse, with typical transit times of 3–7 business days to most global destinations.

For urgent plant shutdowns or unplanned outages, expedited same-day dispatch is available for orders confirmed before 14:00 CST. Stock availability is maintained for this part number as a priority line item. Customers are encouraged to contact us directly to confirm current stock levels and lead times before raising a purchase order.