Description
Bently Nevada 330106‑05‑30‑10‑02‑05
3300‑XL 8 mm NSv Eddy‑Current Proximity Probe Assembly (Standard‑Temperature, Hazardous‑Area Certified)
Product Overview
The 330106‑05‑30‑10‑02‑05 is part of Bently Nevada 3300‑XL 8 mm NSv non‑contact eddy‑current transducer family. This forward‑mount proximity probe is built for long‑reach installation requirements on turbomachinery bearing housings. It measures radial shaft vibration and axial thrust position for critical rotating equipment. When targeting a shaft notch or keyway, it can also act as Keyphasor phase reference sensor for speed and phase‑angle acquisition. The unit complies with API‑670 machinery protection standards. Suffix ‑05 denotes ATEX / IECEx / CSA intrinsic‑safety certifications, permitting installation in explosive classified hazardous areas.
Critical Compatibility Warning
- This is 8 mm NSv ClickLoc interface forward‑mount probe. Only compatible with 3300‑XL 8 mm NSv ClickLoc extension cables (330930 series). Not compatible with legacy Microdot probes/cables, ETR high‑temperature transducer sets or 11 mm NSv components.
- Total calibrated transducer loop length = probe integral pigtail length + matched 8 mm NSv extension cable length. Total physical loop length must strictly match the loop‑length parameter configured inside paired NSv proximitor. Length mismatch will cause sensitivity deviation and measurement error.
- Termination: Miniature ClickLoc quick‑lock coaxial connector. Do not cut, splice or modify factory‑molded integral pigtail assembly. For hazardous‑area deployment, associated intrinsically‑safe barrier installation rules shall be fully followed.
Part Number Decoding
- 330106：Base model, 3300‑XL 8 mm NSv long‑body forward‑mount proximity probe
- ‑05：Mounting thread: M10×1 metric thread
- ‑30：Probe housing overall length: 300 mm
- ‑10：Integral non‑armored pigtail cable length: 1.0 meter
- ‑02：Connector type: Miniature ClickLoc coaxial
- ‑05：Certification option: ATEX / IECEx / CSA intrinsic‑safety hazardous‑area approvals
330106-05-30-10-02-05
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | 330106‑05‑30‑10‑02‑05 |
| Series | 3300‑XL 8 mm NSv Long‑Body Forward‑Mount Proximity Transducer |
| Measurement Principle | Non‑contact eddy‑current displacement |
| Nominal Sensitivity | 7.87 V/mm (200 mV/mil), ±5 % tolerance |
| Linear Measurement Range | 0.25 mm ~ 2.0 mm (10‑80 mil) |
| Probe Tip Diameter | 8 mm |
| Mounting Thread | M10×1 Metric |
| Housing Overall Length | 300 mm |
| Integral Pigtail | 1.0 m, non‑armored standard‑grade FEP insulation |
| Connector Type | Miniature ClickLoc™ gold‑plated quick‑lock coaxial |
| Frequency Response | 0 Hz‑10 kHz |
| Operating Temperature Range | ‑52 °C ~ +121 °C (standard temperature rating) |
| Housing Material | 316 stainless steel |
| Certifications | API‑670 compliant; ATEX / IECEx / CSA intrinsic‑safety hazardous‑area certified |
| Country of Origin | USA |
| Weight | ≈0.34 kg |
Main Features
- Long‑body forward‑mount construction: 300 mm housing satisfies deep‑port mounting requirements for special bearing‑housing structures, suitable for limited‑space long‑reach installation scenarios.
- M10×1 metric mounting thread: Widely‑adopted metric mechanical interface for European‑origin turbomachinery and rotating equipment bearing housings.
- 1.0 m factory‑calibrated non‑armored integral pigtail with Miniature ClickLoc connector: Works together with 330930 series 8 mm NSv ClickLoc extension cables to achieve required total transducer‑loop length.
- Intrinsic‑safety hazardous‑area certification: Valid for installation in explosive classified zones when paired with approved intrinsic‑safety barriers. Standard temperature rating; not applicable for continuous high radiant‑heat positions requiring ETR‑rated hardware.
- Robust industrial mechanical construction: Resists turbine oil‑mist, humidity and persistent machinery vibration, satisfies API‑670 protection requirements for critical rotating assets.
- Full interoperability within 3300‑XL 8 mm NSv ClickLoc transducer ecosystem.
Typical Application Scenarios
- Radial vibration and axial thrust‑position monitoring for steam turbines, gas turbines and centrifugal compressors with deep‑hole metric‑thread mounting ports within explosive hazardous‑area locations
- Capable of serving as Keyphasor phase‑reference sensor for rotational speed and vibration‑phase measurement when facing shaft notch / keyway
- Refinery, petrochemical and offshore hazardous‑area machinery protection systems with metric mounting specification
- System integration with Bently Nevada 3500 rack 8 mm NSv‑compatible proximitor input channels with intrinsic‑safe barrier configuration
- Spare‑part replacement for existing long‑body metric‑thread NSv proximity measurement loops in hazardous zones
Related & Recommended Alternative Models
| Model | Description |
|---|---|
| 330106‑05‑30‑10‑02‑00 | 8 mm NSv long‑body probe, M10×1, 300 mm housing, 1.0 m pigtail, non‑hazardous‑area |
| 330106‑05‑20‑10‑02‑05 | 8 mm NSv long‑body probe, M10×1, 200 mm housing, 1.0 m pigtail, hazardous‑area certified |
| 330930‑075‑00‑00 | 7.5 m non‑armored 8 mm NSv ClickLoc extension cable |
| 330105‑02‑12‑05‑02‑05 | 8 mm NSv reverse‑mount probe, hazardous‑area certified (different mounting structure) |
| 330195‑02‑12‑05‑05 | 8 mm ETR reverse‑mount Microdot probe (Microdot interface, incompatible) |
Compatible Components & Accessories
- NSv Extension Cables: 330930 series 8 mm NSv ClickLoc extension cables (straight / right‑angle variants)
- Monitoring Hardware: 8 mm‑NSv‑qualified proximitor modules, Bently Nevada 3500 rack 8 mm NSv monitor channels; matched intrinsic‑safety barriers for hazardous‑area deployment
- Mechanical Accessories: Probe mounting lock‑nut, metric‑thread probe mounting shell assembly, 43501‑02‑04‑02 low‑pressure cable‑seal assembly, 43574‑04 multi‑hole grommet
- Installation Consumables: Anti‑seize compound for mounting threads, cable clamps for strain‑relief, high‑temperature cable ties
- Calibration Tool: 8 mm NSv static gap calibration fixture
Installation and Configuration Guide
Warning: Installation must be performed by qualified instrument technicians. Always reference original Bently Nevada 3300‑XL NSv transducer‑system manual as primary technical document. For hazardous‑area installation, strictly comply with local explosion‑proof standards and intrinsic‑safe barrier parameters.
- Pre‑installation Total‑Length Calculation
- Calculate total NSv transducer loop length = probe integral pigtail (1.0 m) + selected 8 mm NSv extension‑cable length.
- Confirm total physical length matches loop‑length parameter configured in paired NSv proximitor. Length mismatch will trigger sensitivity drift and measurement inaccuracy. For hazardous‑area applications, verify barrier cable‑length limitation constraints.
- Probe Mechanical Mounting
- Install matched metric‑thread probe mounting shell onto bearing housing following mechanical drawing specifications. Handle long‑body probe carefully to avoid bending damage.
- Apply anti‑seize compound to M10×1 probe thread. Screw probe into mounting shell, adjust probe‑to‑shaft working gap to mid‑point of linear measuring range, tighten lock‑nut to specified torque value.
- Confirm probe tip maintains safe clearance and will never contact rotating‑shaft surface over full operating‑speed and thermal‑expansion range.
- Cable Routing & ClickLoc Connector Mating
- Route NSv transducer cable separately from high‑power AC, VFD and contactor wiring to mitigate EMI‑induced signal noise.
- Observe minimum static bending radius requirement; avoid sharp kinks. Never pull cable assembly by ClickLoc connector housing.
- Align ClickLoc connector key‑slot, push inward and rotate clockwise until audible “click” for finger‑tight locking. Wrench tightening is strictly prohibited.
- Install strain‑relief clamps near connector joint. Deploy approved cable‑seal fitting when cable penetrates machine casing. For hazardous‑area, route cable according to intrinsic‑safe wiring regulations.
- System Commissioning
- Complete full NSv transducer‑loop assembly including intrinsic‑safe barriers for hazardous‑area setup, then power‑up proximitor / monitoring rack.
- Read static gap voltage to validate mechanical gap setting. Perform static‑gap calibration test with 8 mm NSv calibration fixture to verify system sensitivity.
- Clear Not‑OK fault status; configure vibration and thrust alarm / trip thresholds per project machinery specification.
- Maintenance & Troubleshooting
- During machinery turnaround, inspect probe locking torque, check ClickLoc connector for oil contamination and corrosion; inspect long housing for bending deformation, inspect outer jacket for abrasion, cracking or aging deterioration.
- Gap‑voltage drift, abnormal vibration reading or persistent Not‑OK faults may originate from improper installation gap, bent probe tube, loose ClickLoc connection, cable damage or incorrectly programmed loop‑length parameter.
- Replace complete factory probe assembly upon pigtail or probe‑tip damage; field‑splicing of integral probe pigtail cable is strictly prohibited.
Supplementary Remark
330106‑05‑30‑10‑02‑05 is a long‑body metric‑thread 3300‑XL 8 mm NSv forward‑mount eddy‑current proximity probe with M10×1 thread, 300 mm housing and 1.0 m integral pigtail. It carries ATEX / IECEx / CSA intrinsic‑safety certifications, designed for radial vibration and thrust monitoring on metric‑spec turbomachinery deep‑port mounting points within explosive hazardous‑area environments. It only interoperates with 8 mm NSv ClickLoc system components and cannot work with Microdot, ETR or 11 mm NSv hardware. Before commissioning, cross‑check metric thread mounting requirements, total transducer‑loop length, ClickLoc interface, intrinsic‑safe barrier parameters and site area classification against project BOM and mechanical drawings.
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