Bently Nevada 330103-00-13-05-02-CN Migration-Ready Proximity Transducer

Overview

Bently Nevada 330103-00-13-05-02-CN Migration-Ready Proximity Transducer for Legacy Control Systems

The Bently Nevada 330103-00-13-05-02-CN is an eddy-current proximity transducer engineered for the 3300 XL series monitoring platform. Designed to deliver continuous, non-contact measurement of shaft radial vibration, axial position, and differential expansion, this transducer is a direct migration solution for plants operating aging 3300 or earlier-generation Bently Nevada monitoring systems. Whether your facility is executing a full DCS migration, upgrading a turbine protection rack, or simply replacing a discontinued proximity probe assembly, the 330103-00-13-05-02-CN provides a verified drop-in path with minimal re-engineering.

The transducer operates within the standard 3300 XL signal chain, making it fully compatible with the 3300/16 monitor, 3300/25 monitor, and associated Keyphasor modules already installed in your control cabinet. When replacing an older 330103 variant, engineers should confirm the cable length suffix matches the existing conduit routing — the “-05” designation in this SKU indicates a 5-metre extension cable, which suits most turbine pedestal and compressor skid installations without field splicing.

Migration Compatibility Table

Retrofit Planning for Existing Automation Systems

Successful integration of the 330103-00-13-05-02-CN into a running plant requires a structured pre-outage review. Begin by auditing the existing 3300 XL driver module — typically the 330180 proximitor/seismoprobe — to confirm the driver’s gap range and scale factor still align with the replacement transducer’s output curve. If the driver has been in service for more than ten years, consider replacing it simultaneously to avoid a second outage cycle.

Terminal wiring at the junction box should be documented before disconnection. The 330103 series uses a shielded coaxial cable with a defined shield-grounding scheme; improper re-termination is the most common cause of elevated noise floor after a probe swap. Cross-reference the existing wiring diagram against the 3300 XL installation manual, paying particular attention to the drain wire connection at the monitor end.

For plants migrating from an older Bently Nevada 7200 series or 3000 series platform to the 3300 XL architecture, the 330103-00-13-05-02-CN serves as the transducer anchor point for the new signal chain. In this scenario, the 3300/20 rack — a 19-inch, 4-slot DIN-rail-compatible chassis — provides the backplane for the new monitor cards, and the 3500/22M transient data interface module can be added to the same rack to capture high-resolution waveform data without additional cabinet space. The Bently Nevada 3500/42M proximitor monitor is the recommended paired monitor card for this transducer in a full-rack migration, providing dual-channel vibration and position monitoring with relay output for trip logic.

I/O mapping should be completed in the DCS or safety system before the outage window opens. If the plant uses a Rockwell Automation ControlLogix or Allen-Bradley PLC as the supervisory layer, confirm that the analogue input card scaling matches the 200 mV/mil output of the 330103 transducer. A signal isolator or conditioner may be required if the existing AI card operates on a 4–20 mA loop rather than a direct voltage input.

HMI faceplate updates are often overlooked during probe replacements. If the vibration trend display references the old probe tag name or engineering unit scaling, update the HMI configuration before returning the machine to service to avoid operator confusion during the first post-maintenance run.

Downtime Control During System Migration

Minimising unplanned downtime during a proximity transducer replacement begins with pre-staging. The 330103-00-13-05-02-CN should be bench-tested against a known-good 330180 driver before the outage to confirm gap voltage, scale factor, and cable continuity. This pre-shipment verification is included in our standard outgoing inspection process, and a test report is available upon request.

During the outage, follow a defined sequence: isolate the monitor channel, remove the old probe, install the replacement, set the air gap to the manufacturer’s specified range (typically 1.0–1.5 mm for an 8 mm probe tip), and verify gap voltage at the monitor terminal before re-enabling the channel. This sequence protects the original trip logic from false activation during re-commissioning and allows the control room to maintain visibility on adjacent channels throughout the procedure.

Where the plant’s safety instrumented system (SIS) requires a proof-test interval, the transducer swap can be coordinated with the scheduled proof test to avoid a separate outage. Document the as-found and as-left gap voltages, cable resistance, and insulation resistance values for the maintenance record. These values are required for most machinery protection audit trails and support the support terms confirmed by quotation claim process if a defect is identified post-installation.

For multi-machine outages — such as a compressor train overhaul involving multiple proximity probe positions — batch replacement of all 330103 variants in the same rack during a single window is strongly recommended. This approach eliminates the risk of mixed-vintage probe populations on the same monitor card and simplifies the post-outage calibration record.

Retrofit Support FAQ

Q: Is the 330103-00-13-05-02-CN a direct replacement for the discontinued 330103-00-13-05-02?
A: Yes. The “-CN” suffix denotes the connector variant for the Chinese market distribution channel but is electrically and mechanically identical to the standard 330103-00-13-05-02. No wiring or bracket modification is required for a direct swap.

Q: What gap voltage should I set after installation?
A: The standard gap voltage for an 8 mm 3300 XL proximity transducer with a 330180 driver is −10 to −12 VDC, measured at the OK terminal of the monitor card. Refer to Bently Nevada installation drawing 141078 for the full gap-versus-distance curve specific to this probe tip diameter.

Q: Do you perform pre-shipment testing?
A: Yes. Every unit undergoes a full functional test including gap voltage verification, cable continuity, insulation resistance, and output linearity check before dispatch. A test certificate is included with each shipment, and results are retained for 12 months to support support requests.

Q: What is your stock availability and lead time?
A: The 330103-00-13-05-02-CN is held availability confirmed by RFQ for same-day or next-business-day dispatch. For urgent outage requirements, contact our team directly to confirm real-time inventory and arrange priority shipping. All units are covered by a support terms confirmed by quotation from the date of shipment.

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Product Identification

Brand / Ecosystem

Bently Nevada
Bently Nevada

Model / Series

330103-00-13-05-02-CN
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

Pre-Quote Check

Exact SKU, brand, series, quantity, nameplate photos and destination country are checked before quotation

Specification & Inquiry Focus

Sensor range

Photoelectric, proximity and process sensors

Common needs

Output type, distance and connector

Project support

Machine detection and replacement inquiry

Inquiry Support

• NPN/PNP, analog and digital output checking
• Connector and cable compatibility review
• Fast inquiry support for maintenance teams

What to Send Us

• Brand and exact model number: Bently Nevada 330103-00-13-05-02-CN
• Quantity and required delivery time
• Application, replacement requirement or nameplate photo
• Destination country and shipping preference