Bently Nevada 330130-085-13-CN Replacement for 3300 XL NSv

Product Overview

Bently Nevada 330130-085-13-CN Replacement for 3300 XL NSv: Seamless Migration & Upgrade Solution

The Bently Nevada 330130-085-13-CN is an 8mm proximity transducer with a 5-metre extension cable, engineered for the 3300 XL NSv (Non-contact Shaft Vibration) monitoring platform. As legacy vibration monitoring systems age and OEM support windows close, plant engineers and reliability teams face increasing pressure to source verified replacement units that maintain signal chain integrity without requiring full system redesigns. This product page is dedicated to supporting that migration — providing a drop-in compatible replacement that preserves your existing wiring, rack architecture, and monitor calibration.

The 330130-085-13-CN operates within the standard Bently Nevada eddy-current sensing system, producing a linear DC voltage output proportional to the gap between the probe tip and the observed shaft surface. It is fully compatible with the 3300 XL 8mm Proximitor® Sensor signal conditioning electronics, meaning no recalibration of the monitor cards is required when replacing a failed or end-of-life unit. The 5-metre armoured extension cable (part suffix -085) connects the probe to the Proximitor housing, maintaining the system’s characteristic sensitivity of approximately −7.87 V/mm across the linear range.

For facilities running Bently Nevada 3300 Series machinery protection systems — including the 3300/16 Dual Voting, 3300/20 Radial Vibration, or 3300/25 Thrust Position monitor modules — this transducer integrates without firmware changes or rack rewiring. The coaxial connector interface and cable jacket dimensions are identical to the original specification, allowing technicians to complete a swap during a planned outage window with minimal downtime exposure.

Compatibility Comparison Table

Seamless Upgrade Solutions

A successful migration from a failed or discontinued proximity transducer rarely involves a single component. In most 3300 XL NSv installations, the 330130-085-13-CN probe works in conjunction with a 330180 Proximitor® Sensor (the signal conditioning housing mounted outside the bearing pedestal), which converts the raw eddy-current signal into the calibrated DC voltage read by the monitor rack. If the Proximitor housing itself shows signs of drift or damage, replacing both the probe and the 330180-91-00 Proximitor as a matched pair ensures the system’s overall accuracy is restored to factory specification.

Within the monitor rack, the 3300/20 Radial Vibration Monitor and 3300/25 Thrust Position Monitor modules are the most common cards paired with 8mm transducer channels. These modules accept the standard −24 VDC Proximitor output and require no hardware modification when the transducer is replaced with a compatible unit. For installations where the rack also includes a 3300/46 Dual-Channel Tachometer or a 3300/55 Keyphasor® Module, the replacement transducer does not affect those channels, as they operate on independent signal paths within the same backplane.

Facilities upgrading from older 7200 Series or 3300 Standard (non-XL) transducers to the 3300 XL NSv platform should note that the Proximitor housing and extension cable must also be updated — the 7200 Series uses a different sensitivity scale (−200 mV/mil vs. the XL’s −7.87 V/mm metric equivalent), and mixing components across generations will produce incorrect gap readings. In such cross-generation migrations, a complete transducer system kit — probe, extension cable, and Proximitor — is the recommended approach.

For control cabinet integration, the signal wiring from the Proximitor to the 3300 rack I/O terminal block uses standard shielded twisted-pair cable. If the existing field cable run is being reused, verify that the shield is grounded at one end only (typically at the rack end) to avoid ground loops that can introduce noise into the vibration signal. In installations where the control cabinet also houses a System 1® Evolution data acquisition node or a TDIXnet communication interface card, the replacement transducer integrates transparently — no changes to the System 1 database tag configuration are required, as the channel’s engineering unit scaling remains identical.

Where the plant’s condition monitoring strategy includes portable data collection alongside the permanent rack system, the 330130-085-13-CN is also compatible with handheld Bently Nevada data collectors that support the standard eddy-current probe interface, allowing cross-validation of readings between the permanent system and periodic route-based measurements during commissioning of the replacement unit.

Retrofit Guidance FAQ

Q: Can I reuse the existing field wiring when replacing the transducer?
A: Yes. The coaxial cable from the Proximitor housing to the monitor rack uses the same connector and impedance specification as the original unit. The field wiring between the probe and the Proximitor housing (the extension cable) is supplied as part of the 330130-085-13-CN assembly and does not need to be sourced separately.

Q: Do I need to re-enter gap voltage or recalibrate the monitor card after replacement?
A: No recalibration is required if the replacement probe is installed at the same physical gap distance as the original. The 3300 XL NSv system’s monitor cards store the alert and danger setpoints in non-volatile memory; these are unaffected by a probe swap. Verify the gap voltage (typically −10.0 VDC ± 0.5 V for an 8mm probe at nominal gap) after installation using the monitor’s front-panel display or System 1 software.

Q: Is the 330130-085-13-CN compatible with Modbus or FOUNDATION Fieldbus communication?
A: The proximity transducer itself is an analogue device and does not communicate digitally. Digital protocol output (Modbus RTU, FOUNDATION Fieldbus, or Profibus) is handled by the monitor rack’s communication interface cards, not the transducer. Replacing the transducer has no effect on the rack’s digital communication configuration.

Q: What is the physical installation clearance required for the 8mm probe body?
A: The 8mm probe body requires a standard M10 × 1.0 threaded mounting hole. The probe tip-to-shaft gap is set to approximately 1.0–1.5 mm (corresponding to the linear range centre). No modification to the bearing housing bracket is required when replacing a like-for-like 8mm unit.

Q: Can this transducer be used as a spare for both radial vibration and axial thrust position channels?
A: Yes. The 330130-085-13-CN is a general-purpose 8mm eddy-current probe compatible with both radial vibration and axial thrust position measurement channels within the 3300 XL NSv system. The channel function is determined by the monitor card type, not the transducer.

Q: How do I verify the replacement unit is functioning correctly before returning the machine to service?
A: After installation, power the Proximitor and verify the gap voltage on the monitor card’s OK relay channel. The OK relay should energise (indicating the probe is within the linear range). Cross-check the vibration reading against a known baseline or portable data collector measurement. If System 1 software is in use, confirm the channel status shows “OK” and the trend data resumes without gap.

Warranty Assurance

Every Bently Nevada 330130-085-13-CN unit shipped by TOPNLMS is covered by a 12-month warranty from the date of delivery. Prior to dispatch, each unit undergoes functional verification including output sensitivity check, cable continuity test, and connector integrity inspection. Units that do not meet specification are quarantined and not offered for sale.

In the event of a warranty claim, TOPNLMS provides a replacement unit or full refund within the warranty period. Our technical team is available to support installation queries, gap voltage verification, and compatibility confirmation before and after purchase. We understand that unplanned downtime in rotating machinery applications carries significant operational cost — our fulfilment process is designed to minimise lead time, with most in-stock units dispatched within 1–2 business days from our Xiamen warehouse.

For bulk procurement, spare parts programme integration, or urgent AOG (Aircraft on Ground / Asset on Ground) requirements, please contact our sales team directly. We maintain buffer stock of high-demand Bently Nevada 3300 XL NSv components to support planned maintenance outages and emergency replacement scenarios.

Purchase with confidence: verified stock, pre-shipment testing, 12-month warranty, and responsive after-sales support — all backed by TOPNLMS’s commitment to industrial reliability.