Description
Bently Nevada 330901-00-40-10-02-05 – Proximitor Sensor for Proximity Vibration and Shaft Position Monitoring
From my experience, the 330901-00-40-10-02-05 is used as a Proximitor sensor within the Bently Nevada 3300/3500 ecosystem to condition eddy-current proximity probe signals for precise shaft vibration and gap measurements. It’s typically specified when you need stable bias voltage (gap) and clean dynamic signal for modern protection systems or upgrades on turbines, compressors, high-speed pumps, and gearboxes. You might notice that assemblies in this series are chosen to match probe type and cable options via the option code string—the “-40-10-02-05” portion reflects factory-set configuration details.
Order Placement Process and Guarantees
- Warranty: 365 days
- Delivery: 1 week for in-stock; no more than one month at the latest
- Payment: 50% advance payment, full payment for delivery
- Express delivery: FedEx, UPS, DHL
Key Features
- Stable proximity signal conditioning: Converts probe input to a usable DC gap and dynamic vibration output for monitoring racks.
- High reliability in harsh environments: Designed for continuous service around rotating machinery where temperature and electrical noise are common.
- System compatibility: Typically used with Bently Nevada 3300/3500 monitors; maintains compatibility with standard proximity probes and extension cables.
- Noise immunity: Shielded wiring practices and proven Proximitor architecture help keep the signal clean near large motors or VFDs.
- Flexible configuration: Option codes (e.g., -40-10-02-05) define probe/cable pairing and connection style, making spares planning straightforward.
Technical Specifications
| Brand / Model | Bently Nevada 330901-00-40-10-02-05 |
| HS Code | 903180 (Measuring/monitoring instruments, parts and accessories) |
| Function | Proximitor sensor for eddy-current proximity probes; provides DC gap and dynamic vibration voltage outputs |
| Power Requirements | Nominal –24 VDC supply provided by the monitoring system (typical for 3300/3500 architectures) |
| Signal Input/Output | Proximity probe input; DC bias (gap) and AC dynamic vibration outputs (voltage) |
| Communication Interfaces | Analog signal to monitoring rack; no digital comms on the sensor itself |
| Operating Temperature | Typically –35°C to +85°C for 3300-series Proximitor components (check option code for exact rating) |
| Installation Method | Panel/cabinet mounting with shielded wiring to the monitor; grounding per Bently Nevada practices |
| Dimensions & Weight | Compact Proximitor module form factor; lightweight for control cabinet installation |
Application Fields
This model is commonly selected for:
- Steam and gas turbines – shaft vibration and axial position monitoring
- Compressors and expanders – protection and condition monitoring
- Pumps, blowers, and fans – detection of imbalance, misalignment, or rubs
- Gearboxes and generators – coupled machine protection, trending, and analysis
- Brownfield upgrades – replacing legacy Proximitor units while keeping probes and cabling when compatible
Advantages & Value
- Reliability you can plan around: Proximitor architecture that’s proven on critical rotating assets, minimizing nuisance trips.
- Compatibility and migration: Works with standard Bently Nevada probe/cable families in most cases, helping you reuse spares and drawings.
- Lower lifecycle cost: Stable bias and scaling reduce recalibration time and unplanned callouts.
- Technical support: We typically provide configuration guidance (e.g., gap setup, polarity checks) and matching accessory selection.
Installation & Maintenance
- Cabinet and environment: Mount in a clean, ventilated control cabinet; avoid strong EMI sources; maintain proper grounding and shielding.
- Wiring practices: Use the specified shielded cable route and secure terminations; keep probe/extension cable runs away from power cables where possible.
- Gap setup: Set mechanical gap at the probe tip and verify DC bias voltage is within the recommended range (commonly around 8–12 V) before commissioning.
- Routine checks: Inspect connectors and cable armor, confirm bias stability during outages, and document dynamic signal levels for trending.
- Spare strategy: Keep a matched probe/extension cable on hand; option codes should match your installed base to avoid mix-ups.
Quality & Certifications
- CE and RoHS compliance; manufactured under ISO 9001 quality systems
- Hazardous area approvals (e.g., ATEX/IECEx/CSA) may apply depending on option code and regional requirements
- Manufacturer’s standard quality assurance, with our 365-day warranty support on supply
Related and Supporting Components
To build a complete measurement chain, we can supply matched components that typically pair with this Proximitor sensor:
- Proximity probes: 3300 XL series probes (such as 330103/330104 8 mm) or other compatible options depending on the installed base.
- Extension cables: 3300 XL family extension cables (length and armor per site standard).
- Monitoring racks/cards: Bently Nevada 3500 series modules for vibration, axial position, and speed.
If you’d like, share your existing probe and extension cable part numbers or the asset list (machine type, bearing numbers, required measurement points). We’ll verify option-code compatibility and propose a clean, drop-in replacement list. One thing I appreciate is when we confirm the bias and scale factors ahead of time—it usually saves a site visit.
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