Product Overview
Bently Nevada 32000-28-05-15-080-03-02 Ruggedized Proximity Probe Assembly: Industrial Resilience for Harsh Environments
The Bently Nevada 32000-28-05-15-080-03-02 is a precision-engineered proximity probe assembly from the renowned 3300 XL Series, designed to deliver uncompromising vibration and position measurement performance in the most demanding industrial environments. Whether deployed in high-temperature turbine halls, moisture-laden offshore platforms, dust-saturated mining galleries, or high-vibration compressor trains, this probe assembly maintains signal integrity and mechanical stability where lesser sensors fail. For rotating machinery protection systems, the 32000-28-05-15-080-03-02 is a mission-critical component that plant engineers and reliability teams trust to keep assets online and personnel safe.
Built to Bently Nevada’s exacting standards, this proximity probe assembly operates on the eddy-current sensing principle, providing non-contact measurement of shaft radial vibration, axial position, and differential expansion. Its ruggedized construction — featuring a stainless-steel housing, hermetically sealed tip, and high-temperature-rated cable jacket — ensures consistent output across wide temperature swings, aggressive chemical exposure, and continuous mechanical stress. In petrochemical plants, power generation facilities, and heavy industrial sites where unplanned downtime carries six-figure hourly costs, the 32000-28-05-15-080-03-02 is the standard of reliability.
Rugged Specifications Table
| Parameter |
Specification |
| Part Number / SKU |
32000-28-05-15-080-03-02 |
| Brand |
Bently Nevada |
| Series |
3300 XL Proximity Transducer System |
| Product Type |
Proximity Probe Assembly |
| Sensing Principle |
Eddy-Current (Non-Contact) |
| Probe Tip Diameter |
8 mm (standard 3300 XL geometry) |
| Cable Length |
5 m (integral armored cable) |
| Extension Cable Compatibility |
3300 XL Series extension cables (e.g., 330130-045-00-CN) |
| Driver / Proximitor Compatibility |
3300 XL 8mm Proximitor® Sensor (e.g., 330180-X1-05) |
| Operating Temperature |
−35 °C to +177 °C (probe tip) |
| Ambient Humidity |
Up to 100% RH (non-condensing, sealed construction) |
| Vibration Resistance |
Designed for continuous high-vibration rotating machinery environments |
| EMI / RFI Immunity |
Shielded coaxial cable; high immunity to electromagnetic interference |
| Housing Material |
316 Stainless Steel |
| IP Protection |
IP67 (probe body and connector) |
| Hazardous Area Suitability |
ATEX / IECEx rated system; Zone 1 & Zone 2 compatible |
| Measurement Applications |
Radial vibration, axial position, differential expansion, eccentricity |
| Target Material |
AISI 4140 steel (standard); consult datasheet for other alloys |
| Output Signal |
−200 mV/mil (−7.87 V/mm) nominal scale factor |
| Compliance |
API 670 Machinery Protection Standard |
| Country of Origin |
China (CN) — authorized supply chain |
| Warranty |
12 Months — manufacturing defects and functional failure |
Comprehensive Protection Solutions
The 32000-28-05-15-080-03-02 proximity probe assembly is the sensing front-end of a complete machinery protection architecture. In a typical turbine or compressor protection loop, this probe pairs with the Bently Nevada 330180-X1-05 3300 XL Proximitor® Sensor, which conditions the raw eddy-current signal into a calibrated voltage output readable by the monitoring system. The signal is then routed through 3300 XL Series extension cables such as the 330130-045-00-CN, which maintain signal fidelity over long cable runs in electrically noisy environments where electromagnetic interference from variable frequency drives, large motors, and arc furnaces would otherwise corrupt measurement data.
At the system level, the conditioned vibration and position data feeds into the Bently Nevada 3500 Series Machinery Protection System — a modular rack-based platform housing dedicated I/O modules, redundant power supply modules, and communication gateway modules. The 3500/42M Proximitor®/Seismic Monitor module processes the probe’s output alongside seismic velocity inputs to provide comprehensive shaft and casing monitoring. For plants running DCS-integrated protection, the 3500/92 Communication Gateway bridges the Bently Nevada rack to Modbus, Profibus, or OPC-DA/UA networks, enabling real-time vibration data to flow into the plant DCS or SCADA historian without signal degradation.
In control cabinet installations, the probe cable terminates through Bently Nevada junction boxes and field barrier assemblies rated for hazardous area use, ensuring intrinsic safety compliance in Zone 1 and Zone 2 classified areas. Alongside the proximity probe system, plant engineers frequently deploy Bently Nevada 330500 Series velocity transducers for casing vibration measurement and 3300 XL thrust position probes for axial displacement monitoring — creating a multi-parameter protection layer that guards against both radial instability and catastrophic thrust bearing failure. The 3500/22M Transient Data Interface further captures startup and shutdown transient data, enabling engineers to trend rotor dynamics over time and detect developing faults before they escalate to unplanned shutdowns. Together, these components form a safety-instrumented measurement chain that satisfies API 670 machinery protection requirements for critical rotating equipment in continuous production environments.
Application in Critical Infrastructure
The Bently Nevada 32000-28-05-15-080-03-02 is deployed across the full spectrum of heavy industry and critical infrastructure where rotating machinery reliability is non-negotiable.
In oil and gas upstream and midstream facilities, this probe monitors gas compressor trains, pipeline booster stations, and wellhead pumping units operating in hydrocarbon-rich, potentially explosive atmospheres. Its compatibility with ATEX/IECEx-rated system components makes it the preferred choice for Zone 1 classified areas where ignition risk demands intrinsically safe instrumentation. Offshore platforms in the North Sea, Gulf of Mexico, and South China Sea rely on 3300 XL Series probes to maintain continuous vibration surveillance on gas turbine-driven compressors running 24/7 in salt-laden, high-humidity marine environments.
In power generation — including coal-fired, gas turbine, combined-cycle, and nuclear plants — the 32000-28-05-15-080-03-02 provides shaft vibration and eccentricity monitoring on steam turbines, gas turbines, and large synchronous generators. High bearing temperatures, steam ingress, and intense electromagnetic fields from generator windings create a hostile sensing environment that the probe’s shielded, high-temperature-rated construction is specifically engineered to withstand. Utilities operating under NERC CIP and IEC 61511 functional safety frameworks depend on Bently Nevada proximity systems as part of their safety-instrumented protection layers.
In mining and mineral processing, large ball mills, SAG mills, and crusher drives subject instrumentation to extreme vibration, shock loading, and pervasive mineral dust. The IP67-rated probe body and armored cable jacket resist abrasive ingress and mechanical damage, maintaining reliable shaft monitoring even in the harshest comminution environments. Similarly, in metallurgical and steel plants, the probe withstands radiant heat from furnace proximity, scale and steam exposure, and the intense electromagnetic interference generated by large DC drive systems and arc furnaces.
In water and wastewater treatment, large centrifugal pumps and blower trains running continuously benefit from non-contact vibration monitoring that eliminates sensor wear and reduces maintenance intervention. Municipal utilities and industrial water treatment operators use the 3300 XL system to implement predictive maintenance programs that extend mean time between failures and reduce unplanned outage risk on critical pumping infrastructure.
Security & Quality FAQ
Q1: What warranty coverage is provided for the 32000-28-05-15-080-03-02?
All units supplied by TOPNLMS carry a 12-month warranty covering manufacturing defects and functional failure under normal operating conditions. Warranty claims are processed promptly with replacement or repair at no additional cost. Our warranty period begins from the date of confirmed delivery, giving your procurement and maintenance teams a clear, documented coverage window for asset management records.
Q2: How is each unit tested before shipment?
Every 32000-28-05-15-080-03-02 unit undergoes pre-shipment functional inspection including continuity verification, insulation resistance check, and visual inspection of the probe tip, cable jacket, and connector. Units are packaged in anti-static, shock-absorbing materials with individual serial number documentation. A test report is available upon request for quality-critical procurement processes.
Q3: Is this probe compatible with existing 3300 XL Series Proximitor® drivers and extension cables?
Yes. The 32000-28-05-15-080-03-02 is a standard 3300 XL Series 8 mm probe assembly and is fully compatible with all 3300 XL Proximitor® Sensors, 3300 XL extension cables, and 3500 Series monitoring rack I/O modules. It is a direct functional replacement for equivalent 3300 XL probes in the same cable-length and thread configuration, requiring no recalibration of the Proximitor® driver when substituting like-for-like.
Q4: Can TOPNLMS support long-term or repeat supply for maintenance and spare parts programs?
Yes. TOPNLMS maintains stock of Bently Nevada 3300 XL Series components to support planned maintenance shutdowns, emergency replacements, and long-term spare parts agreements. We provide lead-time commitments, batch traceability documentation, and consolidated shipping for multi-line purchase orders. For critical infrastructure operators requiring assured supply continuity, we recommend establishing a blanket order arrangement — contact our team to discuss volume pricing and reserved stock programs.