Bently Nevada 330104-10-16-05-01-00 Proximity Probe for 3300
The Bently Nevada 330104-10-16-05-01-00 is a precision eddy-current proximity probe engineered as a core sensing element within the Bently Nevada 3300 Series machinery protection and condition monitoring architecture. Rather than functioning as a standalone transducer, this probe is designed to operate as an integrated node within a layered automation system — delivering continuous, real-time shaft displacement and vibration data to upstream monitoring modules, safety controllers, and plant-level DCS platforms. Its role spans the signal acquisition layer, feeding critical process variables upward through the control hierarchy to enable informed decision-making at every level of the automation pyramid.
Product Specification Table
| Parameter |
Specification |
| System Role |
Eddy-Current Proximity Probe — Signal Acquisition Layer |
| SKU / Part Number |
330104-10-16-05-01-00 |
| Brand |
Bently Nevada |
| Compatible Series |
Bently Nevada 3300 Series Machinery Protection System |
| Probe Length |
10 mm (tip diameter), 16-inch cable |
| Output Signal |
-24 VDC nominal (eddy-current, non-contact) |
| Sensitivity |
200 mV/mil (7.87 V/mm) |
| Measurement Range |
0–80 mil (0–2.03 mm) |
| Operating Temperature |
-35°C to +120°C (probe tip) |
| Communication / Integration |
Analog signal to 3300 Series monitor modules; system integration with DCS/PLC/SCADA |
| Installation Environment |
Industrial rotating machinery — turbines, compressors, pumps, motors |
| Warranty |
warranty terms confirmed during quotation |
System Compatibility Notes
The 330104-10-16-05-01-00 proximity probe achieves its full value only when considered within the broader 3300 Series system architecture. In a typical machinery protection deployment, this probe is paired with the Bently Nevada 330130 extension cable, which routes the eddy-current signal from the machine casing to the 3300/16 proximitor/oscillator — the signal conditioning module that converts raw probe impedance changes into a calibrated DC voltage proportional to shaft gap distance. This conditioned signal is then fed into a 3300/20 dual-channel monitor or a 3300/25 keyphasor monitor, depending on whether the application requires vibration amplitude tracking or phase-referenced rotational analysis.
At the rack level, these monitor modules are housed within a 3300 Series rack assembly, which also accommodates 3300/50 power supply modules providing redundant 24 VDC distribution across all installed cards. For plants requiring full system redundancy, the architecture supports dual-redundant power feeds and hot-standby monitor configurations, ensuring that a single component failure does not interrupt protection coverage on critical rotating assets.
Communication upward to the control layer is achieved through hardwired 4–20 mA analog outputs or relay contact closures from the monitor modules, which interface directly with Emerson DeltaV DCS or third-party SCADA platforms. In more advanced installations, Bently Nevada System 1 software aggregates data from multiple 3300 Series racks across a plant network, providing centralized trending, alarm management, and predictive maintenance analytics. The 330104-10-16-05-01-00 probe thus sits at the foundation of a data pipeline that extends from the machine shaft all the way to the enterprise asset management layer.
For installations requiring shaft absolute motion measurement, this radial vibration probe is typically deployed alongside a 330500 series thrust position probe and a 330180 keyphasor probe, forming a complete three-probe measurement set per bearing journal. This configuration satisfies API 670 machinery protection standards for critical turbomachinery in oil and gas, power generation, and petrochemical applications.
Industrial Application Notes
In power generation facilities, the 330104-10-16-05-01-00 is installed on steam turbine bearing journals to monitor shaft vibration continuously during startup, steady-state operation, and shutdown sequences. The probe’s fast dynamic response captures sub-synchronous instabilities and oil whirl phenomena that would otherwise go undetected until catastrophic failure occurs.
In petrochemical and refinery environments, this probe monitors centrifugal compressor trains operating in hydrogen, ethylene, or hydrocarbon service — where unplanned shutdowns carry enormous safety and financial consequences. The 3300 Series architecture’s relay outputs connect directly to the plant’s emergency shutdown system (ESD), enabling automatic trip actions when vibration thresholds are exceeded.
In water treatment and municipal utilities, the probe is applied to large vertical pump motors and blower trains, where bearing wear monitoring extends equipment life and reduces unplanned maintenance interventions. The analog output integrates seamlessly with existing SCADA platforms, allowing operators to trend vibration data alongside flow, pressure, and temperature variables in a unified process view.
In mining and mineral processing, the 330104-10-16-05-01-00 is deployed on ball mill pinion bearings, crusher drives, and conveyor head pulleys — applications where high shock loads and contaminated environments demand robust, non-contact sensing technology. The probe’s sealed construction and wide operating temperature range make it suitable for both underground and surface installations.
Across all these industries, the probe’s role in the automation hierarchy is consistent: it provides the raw measurement data that enables the control system to make real-time protection decisions, supports long-term condition trending for predictive maintenance programs, and contributes to overall system availability by detecting developing faults before they escalate to forced outages.
Product Compatibility FAQ
Q1: Is the 330104-10-16-05-01-00 compatible with both older 3300 Series racks and newer Bently Nevada System 1 platforms?
Yes. The 330104-10-16-05-01-00 probe is fully compatible with the complete 3300 Series monitor rack ecosystem, including legacy 3300/16 proximitor modules and current-generation monitor cards. When integrated with Bently Nevada System 1 software via the 3300 Series rack’s communication interface, the probe’s data is available for advanced analytics, alarm rationalization, and fleet-wide condition monitoring — making it a future-compatible investment for plants undergoing digital transformation.
Q2: What installation and commissioning considerations apply when deploying this probe in a redundant protection architecture?
For redundant configurations, two probes are typically installed at 90° X-Y orientation on each bearing journal, each connected to independent monitor channels within the same or separate 3300 Series racks. During commissioning, gap voltage must be verified at the proximitor output (nominally -10.0 VDC ±0.5 VDC at the midpoint of the linear range) using a calibrated gap simulator. Cable routing should maintain separation from high-voltage power conductors to prevent electromagnetic interference. All connections should be verified against the system’s loop drawings before energizing the monitor rack.
Q3: What does the warranty terms confirmed during quotation cover, and how does ZYPLC support long-term spare parts availability?
The warranty terms confirmed during quotation covers manufacturing defects, premature component failure, and performance deviations from published specifications under normal operating conditions. ZYPLC maintains dedicated inventory of 3300 Series probes, extension cables, proximitor modules, and monitor cards to support both immediate replacement needs and planned maintenance shutdowns. Our technical team provides pre-sales architecture consultation, commissioning support, and post-sale troubleshooting assistance. For urgent requirements, expedited shipping is available to minimize plant downtime. Contact us at +86 19859288691 or plc.sales@zyplc.com for availability and lead time confirmation.
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