Bently Nevada 330101-XX-XX-20-02-CN / 147773-00-12 Shaft Proximity Probe – 3300 XL 8mm Series
When a critical rotating machine loses its vibration monitoring capability, the consequences are immediate and severe: undetected shaft displacement, catastrophic bearing failure, unplanned downtime, and in the worst cases, irreversible damage to turbines, compressors, or pumps worth millions of dollars. The Bently Nevada 330101-XX-XX-20-02-CN proximity probe is the front-line sensor that prevents this scenario — continuously measuring radial shaft position and vibration with micron-level precision, 24 hours a day, 365 days a year.
Within the 3300 XL 8mm Proximity Transducer System, the 330101 series occupies the role of the primary sensing element. Engineered to work seamlessly with the 330130 Proximitor® Signal Conditioner and 330180 cable assemblies, this probe is the global standard for API 670-compliant machinery protection systems across oil & gas, power generation, petrochemical, and heavy industrial sectors. Its eddy-current operating principle delivers non-contact, wear-free measurement that outlasts any mechanical alternative.
Technical Specifications
- Part Number: 330101-XX-XX-20-02-CN / 147773-00-12
- Series: 3300 XL 8mm Proximity Transducer System
- Sensing Technology: Eddy-current (non-contact)
- Probe Tip Diameter: 8 mm
- Standard Range: 2.0 mm (80 mil)
- Scale Factor: 7.87 V/mm (200 mV/mil)
- Frequency Response: DC to 10,000 Hz
- Operating Temperature: –35°C to +177°C (–31°F to +351°F)
- Supply Voltage: –24 VDC (nominal)
- Output Voltage: –1 VDC to –21 VDC
- Connector: CN (Conical, integral)
- Cable Length: Per XX-XX suffix designation
- Compliance: API 670, CE, ATEX / IECEx (zone-dependent)
- Weight: ~80 g (probe assembly)
Key Features & Benefits
- Non-contact measurement — zero mechanical wear, infinite service life under normal conditions
- API 670 compliant — meets the global machinery protection standard for critical rotating equipment
- Wide temperature range — reliable in extreme environments from arctic pipelines to hot petrochemical processes
- High frequency response (DC–10 kHz) — captures sub-synchronous, synchronous, and high-frequency vibration events
- Integral CN connector — simplified installation, reduced connection points, lower failure risk
- System-matched design — factory-calibrated to work with 330130 Proximitor® for plug-and-play accuracy
- Reverse-compatible — fits existing 3300 series installations without re-cabling
Industry & Equipment Applications
- Oil & Gas: Centrifugal compressors, gas turbines, steam turbines, pipeline pumps
- Power Generation: Steam and gas turbine-generators, boiler feed pumps
- Petrochemical & Refining: Reactor charge pumps, cracked gas compressors
- Pulp & Paper / Steel: Large ID fans, rolling mill drives
- Marine & Offshore: Propulsion turbines, LNG compressor trains
- General Heavy Industry: Any API 670-protected rotating machinery requiring radial vibration or position monitoring
System Integration & Compatible Parts
The 330101-XX-XX-20-02-CN probe is designed as part of a complete measurement chain. Typical compatible components include:
- Signal Conditioner: Bently Nevada 330130-XX-XX (3300 XL Proximitor®)
- Extension Cable: Bently Nevada 330180-XX-XX
- Barrier / I/O Module: Bently Nevada 3500/42M or 3500/45
- Rack System: Bently Nevada 3500 Series Machinery Protection System
Contact Konmask.com to verify exact suffix compatibility for your installation gap, cable length, and target material requirements.
Our Quality Assurance Process
- Every unit is inspected against OEM datasheet specifications before shipment
- Functional verification of probe tip, connector integrity, and cable continuity
- Secure anti-static packaging with individual serial number traceability
- Sourced from authorized distributors and verified surplus channels — no counterfeit risk
- Documentation available: test reports, certificates of conformance upon request
How to Order
- Submit your inquiry via the Contact / RFQ form on Konmask.com
- Provide your full part number including all XX suffix positions (cable length, armored/non-armored, connector type)
- Our engineers will confirm availability, lead time, and compatibility within 24 hours
- Receive a formal quotation with shipping options (DHL / FedEx / sea freight)
- Payment via T/T, PayPal, or trade assurance — shipment with full tracking
Why Choose Konmask.com?
- Specialized in industrial automation and condition monitoring components since establishment
- Direct access to Bently Nevada 3300 / 3500 series inventory — probes, cables, Proximitors, and rack modules
- Technical pre-sales support from engineers familiar with API 670 system design
- Global shipping to 50+ countries with export documentation support
- Competitive pricing on both single units and bulk orders for MRO and project procurement
Frequently Asked Questions
- Q: What does the “XX-XX” in the part number mean?
- A: The XX-XX suffix positions encode the probe body length and cable length. Common configurations include 05-05 (5-inch body, 5-foot cable) and 08-08. Please specify your required configuration when requesting a quote.
- Q: Is this probe compatible with the older 3300 (non-XL) Proximitor?
- A: The 3300 XL 8mm probe is designed for the 330130 XL Proximitor. While physical installation may be similar, system calibration and scale factor must be verified. Contact us for compatibility confirmation.
- Q: What target material is required?
- A: The standard calibration is for AISI 4140 steel. Other target materials (stainless steel, titanium alloys) require recalibration or a material-specific scale factor correction.
- Q: Can you supply the complete transducer system (probe + cable + Proximitor)?
- A: Yes. Konmask.com stocks complete 3300 XL system assemblies. Specify your gap distance, cable routing length, and rack slot to receive a matched system quote.
- Q: What is the lead time for this part?
- A: In-stock units ship within 3–5 business days. For specific suffix configurations, lead time is typically 7–15 business days. Contact us for real-time availability.
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