Description
1. Unboxing & Physical Snapshot
- Model & Brand: Bently Nevada (Baker Hughes) — 330901-00-90-10-02-CN (3300 XL NSv Proximity Probe System)
- Physical Dimensions: Compact 5 mm probe tip diameter featuring a 1/4-28 UNF unarmored mounting thread, a 0.0-inch unthreaded length option, and a 9.0-inch overall case length.
- Estimated Shipping Weight: 0.05 kg (0.11 lbs) packed inside industrial anti-static bubble packaging and a secure shipping carton.
- What’s in the Box: 3300 NSv proximity probe assembly with integral coaxial cable, gold-plated ClickLoc miniature connector, and factory calibration/compliance documentation (note: 3300 XL NSv Proximitor sensor and extension cables are ordered separately).
2. Product Introduction
Turbomachinery with tight physical clearance, small shafts, or restricted side-views requires specialized eddy-current measurement tools that deliver high accuracy without geometric interference. The Bently Nevada 330901-00-90-10-02-CN is part of the industry-leading 3300 XL NSv (Non-contact Standard Velocity) Proximity Probe System, engineered specifically for measuring radial vibration, axial (thrust) position, and speed on small-diameter machinery.
Operating with an average scale factor of 7.87 V/mm (200 mV/mil), the NSv transducer system overcomes the limitations of standard 5mm or 8mm probes when monitoring miniature centrifugal compressors, refrigeration units, and process gas compressors. Plant reliability engineers, rotating equipment specialists, and maintenance technicians rely on this precision probe to capture vital vibration metrics and prevent catastrophic mechanical failures in hazardous industrial environments.
3. Core Technical Specifications
| Parameter | Value |
| Product Family | Bently Nevada 3300 XL NSv Proximity Transducer System |
| Model / Part Number | 330901-00-90-10-02-CN |
| Probe Tip Diameter | 5 mm (Specialized NSv small-target design) |
| Thread Configuration | 1/4-28 UNF (Unarmored cable configuration) |
| Unthreaded Length Option (-00) | 0.0 inches |
| Overall Case Length Option (-90) | 9.0 inches |
| Total Cable Length Option (-10) | 1.0 meter (integral cable) |
| Connector & Suffix Options (-02-CN) | Miniature coaxial ClickLoc connector with global hazardous area approvals (NEPSI/CCC/ATEX/IECEx compliance mapping via CN suffix) |
| Linear Scale Factor | 7.87 V/mm (200 mV/mil) nominal |
| Operating Temperature | -33^\circC to +177^\circC (probe tip thermal rating) |
4. Global Compliance & Industry Certifications
Vibration monitoring sensors installed in hazardous chemical plants, oil refineries, and offshore platforms must comply with strict international safety and metrology rules.
- Certifications: CE conformity, RoHS compliance, and hazardous area approvals (the -CN suffix indicates compliance with regional regulations such as NEPSI/CCC alongside international ATEX/IECEx safety classifications).
- Safety Relevance: The patented TipLoc and CableLoc molding technologies provide superior pull strength and hermetic sealing, preventing oil and gas ingress into electrical loops while maintaining explosion-proof integrity in Class I, Division 1 / Zone 0 hazardous zones.
- Audit Note: Keep probe calibration sheets, loop resistance verification logs, and hazardous area installation certificates up to date in your asset management software to satisfy safety and insurance audits.
5. Long-Term Storage & Asset Preservation Guide
Precision eddy-current probes stored in warehouse stockrooms face connector oxidation, cable insulation stiffness, and mechanical bending risks over extended storage cycles. Preserve your asset by executing these procedures:
- Maintain indoor warehouse climates where storage temperatures stay between +10^\circC and +30^\circC while keeping relative humidity strictly below 60% non-condensing.
- Keep the probe assembly permanently stored inside its original protective packaging with thread protectors attached to safeguard the 1/4-28 UNF fine threads.
- Protect the gold-plated ClickLoc miniature connector from dust, moisture, and side-load impacts that could deform the inner contact pin.
6. Physical Installation Prerequisites
Proper gapping alignment, torque control, and clean signal routing are mandatory when installing proximity probes into machinery casing threads.
- Clearance Space: Ensure proper radial and axial clearance around the probe tip to prevent mechanical rubbing against the rotating shaft or counterbore wall during thermal expansion.
- Torque Specifications: Use a calibrated torque wrench to tighten the probe to its specified limit (typically max 0.56 N\cdotm / 5 in\cdotlb for miniature threads) to avoid crushing the internal ceramic coil assembly.
- Signal Isolation: Route coaxial probe extension cables away from high-voltage motor power lines and variable frequency drives (VFDs) to eliminate electromagnetic interference (EMI) on the vibration monitoring channel.
7. Buyer’s FAQ (Logistics & Compliance Focus)
Q: What Harmonized System (HS) Tariff Code applies to this Bently Nevada proximity probe for international shipments?
A: Industrial machinery monitoring sensors, electrical measuring instruments, and vibration transducer parts typically classify under HS code 9031.80.8085 or 8537.10.1190. Always confirm exact classifications with your customs broker.
Q: What does the “-CN” suffix signify at the end of the part number?
A: The “-CN” suffix designates that the hardware package includes specific regional approvals (such as NEPSI and CCC) required for compliant deployment in industrial facilities within China.
Q: What is the Country of Origin (COO) for trade compliance record-keeping?
A: Bently Nevada vibration monitoring hardware is engineered and manufactured in primary global facilities located in the United States, requiring precise origin declarations on commercial shipping paperwork.
Q: Is specialized shock-resistant transit packaging required for global air freight?
A: Yes, because delicate probe tips and coaxial connectors can be sensitive to heavy drop impacts during transport, robust double-box cushioning is recommended for international deliveries.
