Vibration Monitoring Solution – Bently Nevada 330104-04-18-50-02-00 | 3300 XL Series
The Bently Nevada 330104-04-18-50-02-00 is a complete proximity transducer system engineered for continuous, non-contact vibration and position measurement in rotating machinery. Part of the industry-standard 3300 XL 8mm Proximity Transducer Series, this assembly delivers the measurement accuracy and long-term reliability that rotating equipment engineers demand in critical plant environments.
Where This Product Is Used
This transducer system is specified for continuous vibration monitoring in the following industrial applications:
- Steam & Gas Turbines — Shaft radial vibration and axial position measurement on HP/LP turbine stages
- Centrifugal Compressors — Rotor dynamic monitoring in gas processing, petrochemical, and LNG plants
- Pumps & Blowers — Bearing journal orbit and eccentricity measurement in high-speed rotating equipment
- Gearboxes — Gear mesh frequency and shaft displacement monitoring
- Electric Motors (>500 kW) — Rotor runout and bearing clearance trending in critical drive trains
- Expanders & Fans — Continuous online monitoring per API 670 requirements
Technical Specifications
- Part Number: 330104-04-18-50-02-00
- Series: Bently Nevada 3300 XL 8mm Proximity Transducer System
- Probe Tip Diameter: 8 mm
- Cable Length: 18 inches (457 mm) armored extension cable
- Driver/Oscillator: 3300 XL Compatible (sold separately — see BOM below)
- Measurement Range: 0.25 mm to 2.25 mm (linear range)
- Scale Factor: 7.87 V/mm (200 mV/mil)
- Frequency Response: DC to 10,000 Hz
- Supply Voltage: −24 VDC (nominal)
- Output: −1 VDC to −17 VDC (proportional to gap)
- Operating Temperature: −35°C to +177°C (probe); −35°C to +85°C (driver)
- Target Material: AISI 4140 steel or equivalent ferromagnetic alloy
- Weight: 230 g
- Connector: MIL-C-5015 style
Why Engineers Specify This Model
- API 670 Compliant — Meets the Machinery Protection Systems standard required for critical rotating equipment in oil & gas and petrochemical facilities
- Proven 3300 XL Platform — Direct drop-in replacement for existing Bently Nevada 3300 XL installations; no recalibration of the monitoring system required
- Armored Cable Construction — 18-inch stainless steel armored cable resists mechanical damage, vibration fatigue, and chemical exposure in harsh plant environments
- Non-Contact Measurement — Zero mechanical wear; suitable for continuous 24/7 operation without scheduled sensor replacement
- High Frequency Response — DC to 10 kHz bandwidth captures sub-synchronous, synchronous, and high-frequency vibration components
- Wide Temperature Range — Probe rated to 177°C for hot-section turbine and compressor bearing housings
Complete System Bill of Materials
A complete Bently Nevada proximity measurement loop requires the following components:
- Probe: 330104-04-18-50-02-00 (this item)
- Extension Cable: Included in this assembly (18 inches)
- Proximitor / Driver: Bently Nevada 3300 XL 8mm Proximitor (e.g., 330180-X1-05)
- Rack / Monitor: Bently Nevada 3500 Series Rack or 3300 Series Monitor
- Mounting Hardware: Probe holder, lock nut, and bracket per OEM drawing
Contact us to source the complete loop assembly or individual components.
Compliance & Industry Standards
- API 670 — Machinery Protection Systems (5th Edition)
- API 670 Annex D — Proximity Transducer System Performance Requirements
- IEC 61511 — Functional Safety (SIL-rated installations)
- ISO 10816 / ISO 20816 — Mechanical Vibration Evaluation
- CE Marking — EMC Directive 2014/30/EU compatible
Quality Assurance & Sourcing
All Bently Nevada components supplied by Konmask.com are sourced through verified industrial distribution channels. Each unit undergoes incoming inspection including:
- Visual and dimensional inspection against OEM datasheet
- Continuity and insulation resistance check
- Calibration verification (scale factor and linearity) on request
- Original manufacturer packaging and labeling confirmed
Traceability documentation and test reports are available upon request for critical plant applications.
How to Source This Part
To place an order or request a quotation for the Bently Nevada 330104-04-18-50-02-00:
- Online: Add to cart directly on this page
- Email: [email protected] with your PO or RFQ
- Phone / WhatsApp: +0086 19859288691
- Lead Time: Typically 3–7 business days for in-stock units; expedited options available
- MOQ: 1 piece
We support OEM, EPC, and MRO procurement teams with competitive pricing, volume discounts, and consolidated shipments.
Application-Specific FAQ
Q: Is the 330104-04-18-50-02-00 compatible with the Bently Nevada 3500 monitoring rack?
A: Yes. This probe is part of the 3300 XL system and is fully compatible with the 3500 Series rack when used with the appropriate 3300 XL Proximitor driver module.
Q: What is the difference between the 330104 and 330105 series?
A: The 330104 uses an 8mm probe tip and is the standard API 670 configuration. The 330105 is a 5mm probe variant for tighter installation geometries. Verify your existing probe holder bore before substituting.
Q: Can this transducer be used on non-ferromagnetic shafts (e.g., titanium or Inconel)?
A: No. The 3300 XL eddy-current system requires a ferromagnetic target material (AISI 4140 or equivalent). For non-ferromagnetic targets, a different transducer technology is required — contact us for guidance.
Q: Do you supply calibration certificates?
A: Yes, calibration verification reports are available on request. Please specify this requirement at the time of order.
Q: What is the lead time for urgent plant shutdowns?
A: We maintain stock of common Bently Nevada proximity transducer assemblies. Contact us directly for expedited quotation and same-day shipping options.
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Contact: [email protected] | +0086 19859288691
