Bently Nevada 330103-00-19-10-12-00 — 8mm Eddy-Current Proximity Probe | 3300 XL Series Platform
Engineering Background: The Bently Nevada 3300 XL Series represents the industry benchmark for non-contacting vibration measurement in rotating machinery protection systems. Deployed across gas turbines, steam turbines, centrifugal compressors, and critical pumps worldwide, the 3300 XL transducer system delivers the measurement accuracy and long-term stability demanded by API 670 machinery protection standards.
Product Positioning: The 330103-00-19-10-12-00 is an 8mm eddy-current proximity probe engineered for radial vibration, axial position, and differential expansion measurement. It forms the sensing element of a complete 3300 XL transducer loop, working in conjunction with the 330130 extension cable and 3300 XL proximitor/monitor. This part number encodes a 500 mm (19-inch) probe body with a 1000 mm (10-inch) integral cable and standard 12-inch armored extension, terminated with a standard connector for direct system integration.
Complete Technical Specifications
- Part Number: 330103-00-19-10-12-00
- Series / Platform: Bently Nevada 3300 XL
- Probe Tip Diameter: 8 mm
- Probe Body Length: 500 mm (19 in)
- Integral Cable Length: 254 mm (10 in)
- Extension Cable Length: 305 mm (12 in)
- Measurement Type: Radial vibration, axial position, differential expansion
- Operating Principle: Eddy-current (non-contacting)
- Linear Range: 2.0 mm (80 mil) typical
- Scale Factor: 7.87 V/mm (200 mV/mil)
- Frequency Response: 0 Hz to ≥10 kHz (–3 dB)
- Temperature Range: –35 °C to +177 °C (–31 °F to +350 °F)
- Supply Voltage: –24 VDC (from proximitor)
- Target Material: AISI 4140 steel (standard); other alloys require calibration verification
- Connector Type: Standard BNC / coaxial per 3300 XL system
- Compliance: API 670, CE, RoHS
- Weight: ~100 g
Proven Application Environments
- Gas turbine radial bearing vibration monitoring (API 670 machinery protection)
- Steam turbine axial thrust position measurement
- Centrifugal compressor shaft vibration and differential expansion
- Boiler feed pump and critical rotating equipment condition monitoring
- Petrochemical, LNG, power generation, and offshore platform installations
- OEM integration into GE, Siemens, MAN, and Solar Turbines machinery trains
Engineering Advantages
- Non-contacting measurement — zero mechanical wear, continuous operation without maintenance intervals
- High-frequency response — captures sub-synchronous, synchronous, and super-synchronous vibration components up to 10 kHz
- Thermally stable design — maintains calibration accuracy across wide temperature excursions in turbine environments
- Direct 3300 XL system compatibility — plug-and-play replacement; no recalibration of the monitor required when replacing like-for-like
- Armored cable construction — resists oil, steam, and mechanical abrasion in harsh plant environments
- API 670 compliant — meets the mandatory standard for machinery protection systems in hydrocarbon processing
System Architecture & Signal Flow
The 330103-00-19-10-12-00 probe operates as the sensing element in a three-component transducer loop:
- Probe (330103-00-19-10-12-00) — generates an eddy-current field; gap voltage changes linearly with shaft-to-probe distance
- Extension Cable (330130 series) — transmits the high-frequency oscillator signal between probe and proximitor with controlled impedance
- Proximitor / Monitor (3300 XL) — conditions the signal, provides –24 VDC excitation, and outputs a calibrated DC voltage (7.87 V/mm) to the monitoring system
The complete loop must be calibrated as a matched set. Substituting components from different series (e.g., 3300 5mm probes) will result in scale factor errors and must be avoided.
Sourcing & Quality Verification
- All units sourced from authorized distributors or verified OEM surplus channels
- Each probe inspected for physical integrity: tip condition, cable jacket, connector seating, and label legibility
- Traceability documentation (original packaging, date codes, or test certificates) provided where available
- Functional verification available on request prior to shipment
- Konmask.com maintains a quality-first sourcing policy — counterfeit or refurbished units are never knowingly stocked
Procurement Process
- Confirm compatibility — verify your proximitor model (3300 XL) and existing cable part numbers before ordering
- Request a quote — contact support@konmask.com with your required quantity and delivery timeline
- Lead time — in-stock units ship within 3–5 business days; sourced units typically 7–15 business days
- Export compliance — EAR99 classification; standard export documentation provided for international shipments
- Payment — T/T bank transfer, PayPal, and major credit cards accepted
Technical FAQ
Q: Can this probe replace a 330103-00-19-10-02-00?
A: The only difference is the extension cable length suffix. Confirm your cable routing allows the 12-inch (305 mm) extension before substituting.
Q: Is this probe compatible with the older 3300 (non-XL) system?
A: No. The 3300 XL and legacy 3300 systems use different scale factors and proximitor designs. Cross-series substitution will produce measurement errors.
Q: What target material is assumed for the factory calibration?
A: AISI 4140 steel. If your shaft is a different alloy (e.g., Inconel, titanium), a material correction factor must be applied — contact our engineering team for guidance.
Q: Do you provide calibration certificates?
A: Original factory calibration data is provided where available. Third-party recalibration can be arranged on request.
Q: What is the minimum order quantity?
A: Single units are available. Volume pricing applies for orders of 5 or more units.
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