Bently Nevada 330907-05-30-10-10-02-05 Proximity Probe for 3300 NSV
The Bently Nevada 330907-05-30-10-10-02-05 is a reverse-mount eddy current proximity probe engineered for seamless integration within the 3300 NSV (Non-contacting Vibration) monitoring architecture. As a precision sensing element at the field instrumentation layer, this probe delivers continuous, high-resolution shaft displacement and vibration data to the 3300 XL 11 mm Proximity Transducer System, forming the foundational signal acquisition node in a layered machinery protection strategy. Its role extends beyond simple measurement — it anchors the entire signal chain from rotating machinery through to the control room, enabling operators and engineers to maintain system-wide visibility, predictive maintenance scheduling, and real-time protection response across critical rotating assets.
In modern industrial control architectures, the reliability of a machinery protection system depends not on any single component, but on the coherent integration of every layer — from the proximity probe at the machine casing to the rack-mounted monitor, the communication gateway, and ultimately the DCS or SCADA platform. The 330907-05-30-10-10-02-05 is designed with this systems-level philosophy in mind. Its 5-metre armored extension cable, reverse-mount configuration, and 10 mm sensing range are optimized for turbine, compressor, pump, and motor shaft monitoring in environments where signal integrity, mechanical stability, and long-term calibration consistency are non-negotiable requirements.
Within the 3300 NSV system architecture, this probe operates in conjunction with the 330130 Proximitor Sensor (signal conditioning module), which converts the raw eddy current signal into a calibrated voltage output proportional to the gap distance between the probe tip and the rotating shaft. This conditioned signal is then routed to the 3300/16 Dual Voting Logic Monitor or the 3500/42M Proximitor Seismic Monitor, where it is processed against user-defined alert and danger setpoints. The monitor communicates machinery health status upstream via the 3500 Rack Communication Gateway, enabling integration with Emerson DeltaV DCS, Honeywell Experion PKS, or ABB System 800xA platforms through standard Modbus TCP or OPC-UA protocols.
System architects specifying the 330907-05-30-10-10-02-05 for new installations or replacement projects benefit from its backward compatibility with the full 3300 and 3500 Series rack ecosystem. Whether deployed in a simplex, dual, or triple-redundant monitoring configuration, the probe maintains consistent sensitivity (7.87 V/mm nominal) and linear measurement range, ensuring that the monitor’s voting logic and alarm management functions operate with the accuracy required for API 670-compliant machinery protection. For facilities running parallel redundant monitoring on critical trains — such as steam turbine-generator sets or centrifugal compressor strings — the probe’s stable output characteristics are essential to preventing spurious trips while maintaining genuine fault detection sensitivity.
From a maintenance and lifecycle management perspective, the 330907-05-30-10-10-02-05 supports a structured predictive maintenance program. Its standardized connector interface (9-pin subminiature) and defined cable routing geometry simplify hot-swap replacement during planned outages, reducing mean time to repair (MTTR) and minimizing production downtime. Engineering teams managing multi-train facilities can maintain a standardized spare parts inventory — stocking this probe alongside the 330130-080-00-05 Proximitor, 3300/05 Power Supply Module, and 3500/22M Transient Data Interface — to ensure rapid restoration of full monitoring capability following any field-level fault.
The probe’s reverse-mount design is particularly advantageous in confined machine casings where axial access is restricted. Combined with the 330180-51-05 Extension Cable and the 330105-02-12-10-02-05 driver, the complete transducer system achieves the gap voltage linearity and temperature stability required for continuous operation in ambient temperatures ranging from -35°C to +85°C, making it suitable for outdoor compressor stations, subsea topside modules, and high-temperature turbine halls alike.
For system integrators and OEM panel builders, the 330907-05-30-10-10-02-05 is fully compatible with the 3300 NSV rack’s standard I/O wiring conventions, eliminating the need for signal conditioning adapters or custom interface modules. This plug-and-play compatibility accelerates commissioning timelines and reduces the risk of wiring errors during system startup — a critical advantage on projects with compressed schedule milestones. All units supplied by ZYPLC are covered by a warranty terms confirmed during quotation and supported by system integration services, ensuring that the probe is correctly matched to the target rack configuration, gap-set to the appropriate voltage, and verified against the system’s alarm setpoint database before shipment.
Product Specification Table
| Parameter |
Specification |
| Part Number |
330907-05-30-10-10-02-05 |
| Brand |
Bently Nevada |
| Series |
3300 NSV (Non-contacting Vibration) |
| System Role |
Field Sensing Element — Shaft Displacement & Vibration |
| Probe Type |
Eddy Current Proximity Probe, Reverse Mount |
| Sensing Range |
10 mm (0–10 mm linear range) |
| Nominal Sensitivity |
7.87 V/mm (200 mV/mil) |
| Cable Length |
5 metres (armored, integral) |
| Connector |
9-Pin Subminiature (standard 3300 NSV interface) |
| Operating Temperature |
-35°C to +85°C |
| Compatible Monitor |
3300/16, 3500/42M, 3500/40M |
| Compatible Proximitor |
330130 Series |
| Communication (via rack) |
Modbus TCP, OPC-UA (via 3500 Gateway) |
| Compliance |
API 670, CE |
| Installation Environment |
Industrial — Turbine, Compressor, Pump, Motor |
| Warranty |
warranty terms confirmed during quotation (ZYPLC) |
| Origin |
USA |
System Compatibility Notes
The 330907-05-30-10-10-02-05 does not operate in isolation — its value is realized through its position within a coordinated, multi-layer control system. At the field instrumentation layer, the probe pairs with the 330130-080-00-05 Proximitor Sensor to form a complete transducer system, delivering a calibrated -18 VDC gap voltage signal to the monitor rack. Within the rack, the 3500/42M Proximitor Seismic Monitor processes radial vibration and position channels simultaneously, while the 3500/22M Transient Data Interface captures high-resolution waveform data for startup and coast-down analysis.
Power integrity for the monitoring rack is maintained by the 3300/05 Dual Power Supply Module, which provides redundant 24 VDC rail support — ensuring that a single power supply failure does not interrupt machinery protection. The 3500 Rack Communication Gateway (3500/92) bridges the monitoring system to the plant DCS via Modbus TCP or OPC-UA, enabling the Emerson DeltaV or Honeywell Experion PKS operator station to display real-time vibration trends alongside process variables such as bearing temperature (from the 3300/55 Temperature Monitor) and differential pressure.
For facilities requiring enhanced redundancy on critical machinery trains, the 3300/16 Dual Voting Logic Monitor can be configured in a 2-out-of-3 voting architecture using three 330907-series probes per measurement plane, eliminating spurious trips while maintaining genuine fault detection. The 3500/15 Power Supply and 3500/25 Enhanced Keyphasor Module complete the rack configuration, providing phase reference signals essential for balancing, alignment, and advanced diagnostics workflows.
Industrial Application Notes
The 330907-05-30-10-10-02-05 finds application across a broad spectrum of process industries where rotating machinery reliability is directly linked to production continuity and safety compliance.
In power generation facilities, the probe monitors radial shaft vibration on steam turbine-generator sets, providing the early warning data that allows operators to schedule maintenance before a developing bearing fault escalates to a forced outage. In petrochemical and refinery environments, it is deployed on centrifugal compressor strings handling hydrocarbons, where API 670 compliance is mandatory and continuous monitoring is a condition of operating permits. LNG liquefaction trains rely on the 3300 NSV system to protect the large-frame centrifugal compressors that are the heart of the liquefaction process, with the 330907-series probe providing the primary radial vibration signal on each compressor stage.
In water treatment and pumping stations, the probe monitors high-speed vertical turbine pumps and horizontal split-case pumps, where vibration trending enables condition-based maintenance programs that reduce chemical dosing pump failures and unplanned service interruptions. Mining and mineral processing operations deploy the probe on SAG mill pinion drives, slurry pump motors, and conveyor drive gearboxes, where the harsh environment demands the probe’s robust armored cable construction and wide operating temperature range. Metallurgical and steel mill applications include rolling mill drive motors and continuous caster withdrawal roll drives, where shaft position monitoring is as critical as vibration measurement for product quality control.
Product Compatibility FAQ
Q1: Is the 330907-05-30-10-10-02-05 directly compatible with the 3500 Series rack, or is it exclusively for 3300 NSV systems?
The 330907-05-30-10-10-02-05 is natively designed for the 3300 NSV transducer system but is fully compatible with the 3500 Series rack when paired with the appropriate 330130 Proximitor Sensor. The 3500/42M monitor accepts the standard -18 VDC gap voltage output from the 330130 Proximitor, making the probe interoperable across both rack generations without signal conditioning adapters. System architects should verify the target gap voltage range and sensitivity setting in the monitor configuration to ensure alarm setpoints are correctly scaled for the 10 mm sensing range of this probe.
Q2: How does the reverse-mount configuration affect installation and commissioning in confined machine casings?
The reverse-mount design routes the probe cable away from the machine casing in the axial direction, which is advantageous in installations where radial cable clearance is limited by adjacent piping, insulation, or structural steelwork. During commissioning, the gap-setting procedure follows the standard 3300 NSV protocol: with the shaft stationary, the gap voltage is adjusted to the midpoint of the linear range (typically -10 VDC ±0.5 VDC) using the Proximitor’s integral gap adjustment. ZYPLC’s system integration service includes pre-shipment gap verification and documentation of the as-shipped gap voltage, reducing on-site commissioning time and the risk of incorrect gap settings that could compromise alarm accuracy.
Q3: What does the warranty terms confirmed during quotation cover, and how does ZYPLC support long-term spare parts availability for the 3300 NSV system?
The warranty terms confirmed during quotation covers manufacturing defects, calibration drift beyond published specifications, and connector or cable integrity failures under normal operating conditions. It does not cover damage resulting from incorrect installation, overvoltage, or mechanical impact. For long-term spare parts planning, ZYPLC supports RFQ sourcing for the complete 3300 NSV transducer system family — including the 330130 Proximitor, 330180 extension cables, and 330907-series probes in multiple length configurations — enabling facilities to consolidate their spare parts procurement through a single supplier with guaranteed lead times. Customers managing multi-site fleets can request a standing inventory agreement to ensure priority allocation of critical spares.