Bently Nevada 330102-08-96-10-02-00 Proximity Probe for 3300 Series
The Bently Nevada 330102-08-96-10-02-00 is a precision eddy-current proximity probe engineered as a core sensing element within the Bently Nevada 3300 Series vibration monitoring architecture. Rather than functioning as a standalone transducer, this probe is designed to operate as an integrated node within a layered industrial automation system — delivering real-time shaft displacement, radial vibration, and axial position data to upstream monitoring and protection modules. Its role spans the field instrumentation layer through to the control and safety layers, making it a critical component in any rotating machinery protection strategy.
In modern industrial control architectures, the proximity probe does not operate in isolation. The 330102-08-96-10-02-00 is calibrated to interface directly with the Bently Nevada 3300 XL 8mm Extension Cable and the 3300 XL Proximitor Sensor, forming a complete transducer chain. This chain feeds conditioned signals into the Bently Nevada 3500 Series Machinery Protection System rack — a modular, backplane-based monitoring platform that accepts inputs from multiple probe channels simultaneously. The 3500 rack communicates upstream via Modbus TCP or OPC-UA protocols, enabling seamless data exchange with DCS platforms such as the Emerson DeltaV or SCADA systems running on Wonderware or FactoryTalk.
Product Specification Table
| Parameter |
Specification |
| System Role |
Field-level eddy-current proximity transducer — vibration & position sensing node |
| SKU / Part Number |
330102-08-96-10-02-00 |
| Brand / Series |
Bently Nevada / 3300 XL Series |
| Probe Tip Diameter |
8 mm |
| Cable Length |
96 inches (approx. 2.44 m) |
| Sensitivity |
200 mV/mil (7.87 V/mm) nominal |
| Operating Temperature |
-35°C to +177°C |
| Supply Voltage |
-24 VDC (via Proximitor) |
| Output Signal |
-2 VDC to -18 VDC (linear range) |
| Communication Compatibility |
Analog signal to 3500/3300 Proximitor; upstream Modbus TCP / OPC-UA via rack |
| Installation Environment |
Bearing housing, turbine casing, compressor frame — IP67 rated tip |
| Warranty |
warranty terms confirmed during quotation — tested, inspected, and certified prior to shipment |
System Compatibility Notes
The 330102-08-96-10-02-00 achieves its full value when integrated within a coordinated, multi-layer control system. At the field instrumentation layer, the probe pairs with the Bently Nevada 330130-080-00-00 Extension Cable to bridge the physical gap between the probe tip and the Proximitor housing. The Bently Nevada 330180-X1-05 Proximitor Sensor conditions the raw eddy-current signal into a calibrated voltage output, which is then routed to the 3500/40M Proximitor I/O Module installed within the 3500 rack chassis.
Within the 3500 rack, the 3500/15 Power Supply Module provides regulated DC power to all I/O cards, while the 3500/22M Transient Data Interface captures high-resolution waveform data for machinery diagnostics. The 3500/92 Communication Gateway Module bridges the rack to plant-level networks, enabling the vibration data to be consumed by the site DCS or historian. For redundancy-critical applications — such as steam turbines or centrifugal compressors in petrochemical plants — dual-probe configurations using a second 330102-series probe on the opposing bearing journal provide cross-validated shaft position data, eliminating single-point measurement failure.
At the human-machine interface layer, operators interact with vibration trends and alarm states through System 1 Evolution software, Bently Nevada’s condition monitoring platform, which aggregates data from multiple 3500 racks across the plant. This system integration ensures that the 330102-08-96-10-02-00 is not merely a sensor — it is a data source within a living, interconnected machinery health ecosystem.
Industrial Application Notes
The 330102-08-96-10-02-00 is deployed across a wide range of heavy industrial sectors where rotating machinery reliability is non-negotiable:
Power Generation: In gas turbine and steam turbine protection systems, this probe monitors shaft eccentricity and radial vibration at journal bearings. Paired with the 3500 rack’s overspeed detection and thrust position modules, it forms part of a comprehensive turbine protection architecture that meets API 670 requirements.
Oil & Gas / Petrochemical: Centrifugal compressors in LNG trains and refinery service require continuous shaft monitoring. The 330102-08-96-10-02-00 provides the real-time displacement data that feeds surge control logic and shutdown sequences, integrating with safety instrumented systems (SIS) via hardwired relay outputs from the 3500 rack.
Water & Wastewater Treatment: Large pump stations and blower trains benefit from vibration monitoring to predict bearing wear before catastrophic failure. The probe’s robust construction and wide operating temperature range make it suitable for outdoor and partially submerged pump installations.
Mining & Minerals Processing: Ball mills, SAG mills, and large fan drives in mining operations generate significant vibration signatures. The 330102-08-96-10-02-00, integrated into a 3500-based monitoring system, enables condition-based maintenance scheduling, reducing unplanned downtime in high-throughput production environments.
Metallurgy & Steel: Rolling mill drives and blast furnace blowers operate under extreme thermal and mechanical stress. The probe’s high-temperature tolerance and IP-rated construction ensure reliable signal output even in harsh mill environments, supporting predictive maintenance programs that extend equipment service life.
Product Compatibility FAQ
Q1: Is the 330102-08-96-10-02-00 compatible with both the 3300 and 3500 Series monitoring racks?
Yes. The 330102-08-96-10-02-00 is part of the 3300 XL probe family and is fully compatible with both the Bently Nevada 3300 Series and 3500 Series monitoring architectures when used with the appropriate 3300 XL Proximitor Sensor. The Proximitor conditions the probe signal to the standard -2 to -18 VDC output range accepted by all 3500 I/O modules. Always verify the Proximitor model and gap voltage calibration during commissioning to ensure system-level accuracy.
Q2: How does this probe support redundant architecture designs, and what are the installation requirements?
For redundant shaft monitoring, two probes are typically installed 90° apart (X-Y configuration) at each bearing journal, as specified in API 670. Each probe connects to a dedicated Proximitor and a separate I/O channel within the 3500 rack, ensuring that a single probe or cable failure does not compromise the monitoring system. Installation requires non-conductive probe mounting hardware, correct gap setting (typically 1.0–1.5 mm for 8 mm probes), and shielded cable routing away from high-voltage conductors to minimize electromagnetic interference.
Q3: What does the warranty terms confirmed during quotation cover, and how is long-term maintenance managed?
Our warranty terms confirmed during quotation covers manufacturing defects, calibration integrity, and electrical performance of the 330102-08-96-10-02-00 from the date of shipment. Each unit is bench-tested and gap-calibrated prior to dispatch. For long-term maintenance, we recommend periodic re-gapping checks during planned outages, inspection of the probe tip for mechanical damage or contamination, and cable continuity verification. Replacement probes are maintained RFQ Available to support rapid swap-out during maintenance windows, minimizing machinery downtime.