Product Overview
Bently Nevada 330910-00-19-10-02-05 Replacement for 3300 XL: Seamless Transition & Legacy System Compatibility
When your existing vibration monitoring infrastructure relies on the Bently Nevada 3300 XL Series, replacing a failed or end-of-life proximity probe demands zero compromise on signal accuracy, mechanical fit, and system compatibility. The Bently Nevada 330910-00-19-10-02-05 Eddy Current Proximity Probe is a direct, drop-in replacement engineered to restore full monitoring capability with minimal downtime — whether you are performing a like-for-like swap, upgrading from an older 3300 Series probe, or consolidating spare parts inventory across multiple turbomachinery trains.
This 19 mm proximity probe operates within the standard 3300 XL signal conditioning ecosystem, maintaining full compatibility with the Bently Nevada 3300 XL 8mm Extension Cable assemblies and the 3300 XL Proximitor Sensor (driver electronics). The probe tip diameter, thread specification (M10 × 1.0), and cable length (2 m) match the original factory configuration, ensuring that existing probe holders, armored conduit runs, and junction box terminations require no modification. Engineers migrating from the earlier Bently Nevada 330103 or 330130 series probes will find that the 330910 family shares the same Proximitor input impedance and gap voltage curve, allowing existing gap settings and alarm setpoints to be retained without recalibration of the 3500/42M or 3500/40M vibration monitor cards.
For plants running the Bently Nevada 3500 Rack System, the 330910-00-19-10-02-05 integrates directly with the 3500/42M Proximitor/Seismic Monitor and the 3500/40M Proximitor Monitor without firmware changes or channel reconfiguration. The probe’s -24 VDC supply requirement is fully compatible with the standard 3500 rack power distribution, and the output voltage range (–2 VDC to –18 VDC) aligns with the monitor’s default input scaling. This means your DCS historian tags, alarm logic in the Bently Nevada System 1 condition monitoring software, and any Modbus or OPC-DA data paths to the plant DCS remain intact after replacement.
In retrofit scenarios where the original probe cable routing passes through hazardous-area conduit, the 330910-00-19-10-02-05 is available in the standard armored cable configuration compatible with Bently Nevada 330130-080-00-00 extension cable assemblies. The probe connector (9-pin micro-dot) mates directly with existing field wiring, eliminating the need to re-pull cables through cable trays or re-terminate junction boxes — a critical advantage when minimizing planned outage windows on gas turbines, steam turbines, or large centrifugal compressors.
Plants that have standardized on the Bently Nevada 3300 XL 5mm or 8mm probe families for radial vibration and axial position measurement will find the 330910 series fully interchangeable at the system level. The eddy current sensing principle, operating frequency, and sensitivity factor (7.87 V/mm) are consistent across the 3300 XL platform, so mixed-probe installations on the same machine train present no signal conditioning conflicts. When combined with the Bently Nevada 330180 or 330500 series Proximitor sensors, the complete probe-cable-driver assembly meets API 670 fifth edition requirements for machinery protection systems.
For facilities planning a broader control system migration — for example, transitioning from a legacy Honeywell TDC 3000 or ABB Advant OCS DCS to a modern platform — standardizing on current-production 3300 XL probes like the 330910-00-19-10-02-05 ensures that the vibration monitoring layer remains stable and supportable throughout the DCS cutover. The probe’s analog output is hardware-agnostic and interfaces cleanly with any modern safety instrumented system (SIS) or condition monitoring gateway that accepts a standard –24 VDC eddy current probe input.
Compatibility Comparison Table
| Parameter |
Legacy / Replaced Model |
330910-00-19-10-02-05 (This Unit) |
| Series |
Bently Nevada 3300 / 3300 XL |
Bently Nevada 3300 XL |
| Probe Tip Diameter |
8 mm (standard) |
8 mm — direct fit |
| Thread |
M10 × 1.0 |
M10 × 1.0 — no holder modification |
| Cable Length |
2 m (standard) |
2 m — existing conduit compatible |
| Connector |
9-pin micro-dot |
9-pin micro-dot — no re-termination |
| Supply Voltage |
–24 VDC |
–24 VDC — rack power compatible |
| Output Range |
–2 to –18 VDC |
–2 to –18 VDC — alarm setpoints retained |
| Sensitivity |
7.87 V/mm |
7.87 V/mm — no recalibration needed |
| Compatible Monitor Cards |
3500/42M, 3500/40M |
3500/42M, 3500/40M — plug-and-play |
| API 670 Compliance |
5th Edition |
5th Edition — SIS/MPS compatible |
| Installation Space |
Standard probe holder |
Same footprint — no machining required |
| Warranty |
— |
12-Month Warranty (TOPNLMS) |
Seamless Upgrade Solutions
A complete 3300 XL probe replacement typically involves more than the probe itself. During installation, engineers commonly inspect and replace the associated Bently Nevada 330130-080-00-00 Extension Cable to eliminate intermittent signal faults caused by cable jacket degradation in high-temperature environments. The 3300 XL Proximitor Sensor (driver module) should be verified for correct gap voltage output using a Bently Nevada 990 Vibration Transmitter or equivalent loop calibrator before the machine is returned to service.
For plants upgrading the full monitoring chain, the Bently Nevada 3500/42M Proximitor/Seismic Monitor card provides dual-channel radial vibration and axial position monitoring within the standard 3500 rack, while the 3500/20 Rack Interface Module (RIM) handles Modbus TCP and OPC-DA communication to the plant DCS or historian. Where physical rack space is constrained in an existing control cabinet, the 3500/05 Rack Power Supply supports hot-swap replacement without de-energizing adjacent monitor channels — a key advantage during live-plant maintenance windows.
Sites migrating from older Bently Nevada 7200 Series probes to the 3300 XL platform will need to update the Proximitor sensor as well, since the 7200 and 3300 XL families use different sensitivity factors and supply voltages. In these cases, a complete probe-cable-Proximitor kit sourced as matched components ensures system-level calibration traceability. The Bently Nevada 330500-02-05 Proximitor is the recommended driver pairing for the 330910 probe in standard 2 m + 5 m cable configurations.
Retrofit Guidance FAQ
Q: Can I reuse existing field wiring when replacing the probe?
Yes. The 330910-00-19-10-02-05 uses the same 9-pin micro-dot connector and cable color coding as all 3300 XL probes. No re-termination of junction box wiring is required provided the extension cable is in good condition.
Q: Do I need to reconfigure the 3500 monitor card after replacement?
No. The probe’s sensitivity (7.87 V/mm), supply voltage (–24 VDC), and output range (–2 to –18 VDC) are identical to the original specification. Existing gap settings, alarm setpoints, and danger limits remain valid.
Q: Is the probe compatible with Modbus or HART communication protocols?
The probe itself is a passive analog sensor. Communication protocol compatibility (Modbus RTU/TCP, OPC-DA, HART) is determined by the 3500 rack monitor card and the Rack Interface Module, not the probe. The 330910 probe is fully compatible with all 3500-series communication configurations.
Q: What is the installation gap for this probe?
The recommended installation gap is 1.0 mm (–10.0 VDC output at midpoint). This is consistent with all 3300 XL 8 mm probes and requires no adjustment when replacing a like-model probe in an existing holder.
Q: Can this probe be used in a hazardous (Ex) area?
The 330910-00-19-10-02-05 is available in intrinsically safe configurations. Confirm the specific approval markings (FM, ATEX, IECEx) on the product label match your installation zone requirements before installation.
Warranty Assurance
Every Bently Nevada 330910-00-19-10-02-05 unit shipped by TOPNLMS is covered by a 12-month warranty from the date of delivery. Prior to shipment, each unit undergoes functional verification including output voltage linearity check, connector integrity inspection, and cable continuity test. Units that do not meet factory specification are quarantined and not dispatched.
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 verification, gap-setting guidance, and compatibility confirmation before and after purchase. Typical order processing time is 1–3 business days, with express air freight available for urgent plant maintenance requirements.
Stock is maintained in Xiamen, China, with direct export capability to Southeast Asia, the Middle East, Europe, and the Americas. All units are shipped with original manufacturer documentation where available, and a TOPNLMS inspection certificate is included with every order.