Bently Nevada 330103-00-22-10-02-CN Proximity Probe for 3300 Series

Bently Nevada 330103-00-22-10-02-CN Proximity Probe for 3300 Series

The Bently Nevada 330103-00-22-10-02-CN is an 8mm eddy-current proximity probe engineered as a system-compatible component within the Bently Nevada 3300 Series vibration monitoring architecture. Rather than functioning as a standalone sensor, this probe is designed to operate as an integral node within a layered industrial automation hierarchy — connecting the mechanical execution layer directly to the control and condition monitoring layers through a precisely calibrated signal chain. Its role in the overall system architecture determines shaft displacement, radial vibration, and axial position data that feeds into protection logic, historian databases, and operator HMI displays in real time.

In modern rotating machinery protection systems — including steam turbines, gas compressors, centrifugal pumps, and large induction motors — the 330103-00-22-10-02-CN serves as the primary sensing element. It works in conjunction with the 330130-080-00-00 extension cable and the 3300 XL 8mm proximitor sensor (such as the 330180-91-00) to form a complete transducer system. The proximitor converts the raw eddy-current signal into a calibrated DC voltage output, which is then routed to a 3500 Series rack-mounted monitor — for example, the 3500/42M Proximitor/Seismic Monitor — where the signal is processed against alarm and danger setpoints defined by the machinery protection engineer.

Product Specification Table

System Compatibility Notes

The 330103-00-22-10-02-CN achieves its full architectural value only when integrated within a coherent system design. At the sensing layer, the probe tip is mounted in a bracket positioned at a nominal gap of approximately 1.0 mm from the shaft surface. The integral cable connects to the 330130-080-00-00 extension cable, which routes the signal to the 330180-91-00 proximitor sensor mounted outside the bearing housing. This proximitor conditions the signal and outputs a calibrated DC voltage to the I/O layer.

At the I/O and processing layer, the conditioned signal enters a 3500/42M Proximitor/Seismic Monitor installed in a 3500/05 Rack Power Supply-equipped 3500 Series rack. The rack may also house a 3500/22M Transient Data Interface for capturing startup and shutdown transient data, and a 3500/92 Communication Gateway Module for Modbus TCP or OPC-UA data export to the plant DCS or SCADA layer. For redundant protection architectures, dual-probe configurations using a second 330103-series probe on the same shaft journal are common, with the 3500 monitor performing 2-of-2 or 1-of-2 voting logic.

At the network and control layer, the 3500 rack communicates with the plant’s distributed control system — such as a Honeywell Experion PKS or Emerson DeltaV — via the communication gateway, enabling the control layer to receive vibration trip signals and integrate them into the overall process shutdown logic. The 3500/15 Power Supply with dual-redundant input ensures that the monitoring rack remains energized even during power disturbances, maintaining continuous protection during critical process transitions.

At the human-machine interface layer, vibration trend data from the 330103-00-22-10-02-CN is displayed on operator workstations running System 1 Evolution condition monitoring software, where engineers can review orbit plots, trend data, and alarm histories. This system integration between the proximity probe signal and the plant-wide asset management platform is what transforms a simple sensor into a strategic component of the machinery health architecture.

Industrial Application Notes

In power generation applications, the 330103-00-22-10-02-CN is widely deployed on steam turbine shaft journals, where radial vibration monitoring is mandatory under API 670 and IEC 61511 functional safety standards. The probe’s ability to measure shaft displacement in real time allows the 3500 Series protection system to initiate an emergency trip before bearing damage propagates to catastrophic failure.

In petrochemical and refinery environments, this probe is installed on centrifugal compressor trains handling hydrocarbons, where continuous vibration monitoring is a process safety requirement. The CN configuration’s extended temperature tolerance and oil-mist resistance make it suitable for installation in compressor bearing housings operating in classified hazardous areas.

In water treatment and municipal infrastructure facilities, large vertical pump motors and blower trains use the 3300 Series transducer system to monitor bearing condition without interrupting continuous operation. The probe’s DC-coupled output allows the monitoring system to detect both dynamic vibration and slow-roll shaft position changes during pump startup sequences.

In metallurgical and mining operations — including ball mills, SAG mills, and large fan drives — the 330103-00-22-10-02-CN provides the foundational vibration data that feeds predictive maintenance programs, reducing unplanned downtime and extending mean time between overhauls. The warranty terms confirmed during quotation ensures that replacement probes installed during scheduled maintenance outages are covered against early-life failures, protecting the capital investment in the monitoring infrastructure.

In packaging and discrete manufacturing lines, where high-speed rotating equipment such as centrifuges and turboblowers operate continuously, the probe’s wide frequency response (DC to 10,000 Hz) captures both low-frequency imbalance and high-frequency bearing defect signals within a single measurement channel, simplifying the sensor architecture and reducing installation complexity.

Product Compatibility FAQ

Q1: Is the 330103-00-22-10-02-CN directly compatible with the 3500 Series monitoring rack without additional signal conditioning?
A: The probe itself requires a proximitor sensor — such as the 330180-91-00 — to convert the eddy-current signal into a calibrated DC voltage output compatible with the 3500/42M monitor input. The probe, extension cable, and proximitor must be ordered and calibrated as a matched system. Mixing components from different calibration sets will introduce measurement errors and may invalidate the API 670 compliance of the installation.

Q2: Can this probe be used in a redundant dual-probe architecture, and how does the 3500 rack handle voting logic?
A: Yes. Redundant configurations using two 330103-series probes positioned 90° apart on the same shaft journal (X-Y configuration) are standard practice for critical machinery. The 3500/42M monitor processes both channels simultaneously and can be configured for independent alarm/danger setpoints per channel, or for resultant vector (overall) vibration calculation. The voting logic — whether 1-of-2 or 2-of-2 for trip — is configured in the monitor’s software and does not require additional hardware.

Q3: What does the warranty terms confirmed during quotation cover, and what is the process for warranty claims on installed probes?
A: The warranty terms confirmed during quotation covers manufacturing defects, calibration drift beyond published specifications, and connector integrity failures under normal operating conditions. It does not cover damage resulting from installation errors, target material incompatibility, or mechanical impact. For warranty claims, the probe must be returned with documentation of the installation configuration and the observed failure mode. Replacement units are dispatched from stock to minimize monitoring system downtime. Contact ZYPLC at plc.sales@zyplc.com or +86 19859288691 for warranty processing and expedited replacement logistics.