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330905-00-13-05-02-05 | Bently Nevada | 3300 NSv Proximity Probes
Description
Technical Overview
The Bently Nevada 330905-00-13-05-02-05 3300 NSv Proximity Probe is a high-precision, non-contact displacement sensing solution engineered for mission-critical machinery protection and condition monitoring in industrial rotating equipment. Manufactured by Baker Hughes (formerly Bently Nevada), a globally recognized leader in asset reliability and predictive maintenance technologies, this probe forms an integral component of the industry-standard 3300 Series Monitoring System. Designed to operate within the rigorous demands of continuous online vibration and position monitoring, the 3330905-00-13-05-02-05 delivers exceptional linearity, thermal stability, and electromagnetic interference (EMI) immunity across extreme environmental conditions—including high temperatures, aggressive chemical exposure, and severe mechanical vibration. Its NSv (Non-Self-Validating) architecture ensures compatibility with legacy and modern 3300/3500 system configurations while maintaining full adherence to API 670 (4th Edition) standards for machinery protection systems. Each unit undergoes factory calibration against NIST-traceable reference standards and is supplied with individual calibration certificates documenting sensitivity (mV/mil), linearity error (±0.3% full scale typical), and frequency response (0–10 kHz). The probe features a robust 304 stainless steel housing, hermetically sealed ceramic insulator, and integrated high-purity copper alloy coil optimized for signal-to-noise ratio and long-term repeatability. It is intended for permanent installation on critical assets where shaft runout, eccentricity, axial position, differential expansion, and bearing wear must be monitored with sub-micron resolution.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Model Number | 330905-00-13-05-02-05 |
| Manufacturer | Baker Hughes (Bently Nevada) |
| Product Type | Non-Contact Proximity Probe (NSv Series) |
| Condition | New, Factory-Fresh — Never Installed or Used; Sealed in Original OEM Packaging with Calibration Certificate |
| Warranty | 24-Month Limited Manufacturer Warranty covering material defects and workmanship; includes technical support and calibration validation services |
| Probe Diameter | 13 mm (0.51 in) |
| Overall Length | 105 mm (4.13 in) |
| Thread Size | M10 × 1.0 metric thread (standard mounting interface) |
| Active Sensing Length | 5.0 mm (0.20 in) |
| Linear Range | 2.0 mm (0.079 in) — Full-scale measurement range with ±0.3% linearity error |
| Sensitivity | 4.0 V/mm (100 mV/mil) nominal at 100 Hz |
| Frequency Response | 0–10,000 Hz (−3 dB) |
| Operating Temperature Range | −40 °C to +125 °C (−40 °F to +257 °F) |
| Environmental Rating | IP68 (submersible up to 3 meters for 72 hours); resistant to oil, steam, solvents, and salt spray |
| Weight | 142 g (5.0 oz) |
| Country of Origin | United States of America (manufactured in Minden, Nevada) |
| Cable Length (Standard) | 5.0 meters (16.4 ft) integral low-noise coaxial cable with Teflon® insulation and stainless steel braid shield |
| Connector Type | 10-32 UNF threaded connector (compatible with 3300 XL and 3500 system extension cables) |
Key Features
- API 670 Compliance: Fully certified to meet all requirements of API RP 670 (4th Edition) for machinery protection systems—including signal integrity, fault tolerance, and diagnostic capability.
- NIST-Traceable Calibration: Supplied with individual factory calibration certificate documenting sensitivity, linearity, phase response, and temperature drift coefficients—ensuring measurement traceability and audit readiness.
- Hermetic Ceramic Insulation: Eliminates moisture ingress and dielectric breakdown, enabling reliable operation in humid, washdown, and high-vibration environments.
- Thermal Stability: Compensated design maintains accuracy across −40 °C to +125 °C ambient ranges—critical for turbine casings, compressor housings, and gearboxes.
- EMI/RFI Immunity: Integrated dual-layer shielding (copper foil + stainless steel braid) and balanced coil geometry suppress noise from VFDs, SCR drives, and radio transmitters.
- Plug-and-Play Integration: Seamless compatibility with Bently Nevada 3300 XL, 3500, and 3300 NSv monitoring systems—no field recalibration required upon installation.
- Long-Term Drift Resistance: Advanced coil winding and epoxy encapsulation reduce sensitivity drift to less than 0.1% per year under continuous operation.
- Corrosion-Resistant Construction: 304 stainless steel body and gold-plated contacts ensure durability in offshore, petrochemical, and power generation applications.
Applications
- Steam and Gas Turbines: Monitoring thrust position, shaft axial movement, and differential expansion to prevent catastrophic thrust bearing failure.
- Centrifugal Compressors: Measuring journal bearing clearance, rotor centerline position, and surge detection via casing vibration correlation.
- Large Electric Motors & Generators: Detecting stator-to-rotor rub, magnetic center shift, and frame distortion during load cycling.
- Petrochemical Pumps & Gearboxes: Tracking gear tooth wear, misalignment-induced axial float, and coupling end-play in API 610 and API 613 service.
- Wind Turbine Main Bearings: Providing early warning of bearing degradation, cage wear, and lubrication failure in nacelle-mounted drive trains.
- Nuclear Power Plant Feedwater Pumps: Enabling ASME Section XI-compliant continuous monitoring of hydraulic thrust balance and seal chamber dynamics.
- Marine Propulsion Systems: Supporting classification society requirements (e.g., ABS, DNV) for shaft alignment verification and stern tube bearing health assessment.
- Test Stands & R&D Facilities: Serving as a metrology-grade reference sensor for dynamic balancing, modal analysis, and control system validation.
Additional information
| Weight | 0.14 kg |
|---|---|
| Country of Origin | USA |
| Dimension | 20.3 x 22 x 3.5cm |
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