Bently Nevada 330103-00-03-05-02-05 – 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 and position measurement in rotating machinery protection systems. Developed by Baker Hughes (Bently Nevada), these eddy current transducer systems are deployed globally in turbines, compressors, pumps, and motors where continuous shaft monitoring is mission-critical.
Product Positioning
The 330103-00-03-05-02-05 is an 8mm proximity probe designed for use within the 3300 XL transducer system. It delivers precise radial vibration, axial position, and differential expansion measurements, making it the preferred choice for procurement engineers specifying API 670-compliant machinery protection instrumentation.
Complete Technical Specifications
- Part Number: 330103-00-03-05-02-05
- Series / Platform: Bently Nevada 3300 XL
- Probe Type: Eddy Current Proximity Probe
- Probe Diameter: 8 mm
- Cable Length: 5m (integral cable, per part number suffix)
- Connector Type: Standard BNC / per system configuration
- Measurement Range: 0–2 mm (typical linear range)
- Scale Factor: 7.87 V/mm (200 mV/mil) nominal
- Frequency Response: DC to 10,000 Hz
- Operating Temperature: –35°C to +120°C (probe body)
- Target Material: AISI 4140 steel or equivalent (per API 670)
- Power Supply: –24 VDC (via Proximitor® driver)
- Output Voltage: –1 VDC to –21 VDC (gap-dependent)
- Ingress Protection: IP67 (probe tip)
- Compliance: API 670, CE
- Weight: ~200 g
- Country of Origin: United States
Proven Application Environments
- Steam and gas turbine shaft radial vibration monitoring
- Centrifugal compressor rotor position and vibration measurement
- Pump and motor bearing proximity sensing
- Differential expansion and thrust position measurement
- API 670 machinery protection systems
- Petrochemical, power generation, and LNG plant installations
Engineering Advantages
- Non-contacting measurement — zero mechanical wear, continuous operation without maintenance intervals
- High linearity — ±1% full-scale accuracy over the calibrated range
- Wide frequency bandwidth — captures sub-synchronous, synchronous, and high-frequency vibration components
- Integral cable design — eliminates field-assembly errors and ensures factory-calibrated system performance
- Robust construction — stainless steel housing rated for harsh industrial environments
- Direct drop-in replacement — fully compatible with existing 3300 XL Proximitor® drivers and extension cables
System Architecture & Signal Flow
The 330103-00-03-05-02-05 operates as part of a three-component eddy current transducer system:
- Proximity Probe (330103-00-03-05-02-05) — generates the high-frequency electromagnetic field and senses gap changes at the rotating shaft surface.
- Extension Cable (330130 series) — transmits the RF signal from probe to driver with controlled impedance.
- Proximitor® Driver (3300 XL series) — demodulates the RF signal and outputs a DC voltage proportional to the probe-to-target gap.
The DC output feeds directly into Bently Nevada System 1 or 3500 series monitoring racks, or third-party DCS/PLC inputs via 4–20 mA converters.
Sourcing & Quality Verification
- Source: Konmask.com maintains verified inventory of genuine Bently Nevada components sourced through authorized distribution and certified surplus channels.
- Inspection: Each unit undergoes visual inspection and functional verification prior to shipment.
- Documentation: Certificate of conformance and original manufacturer documentation available upon request.
- Traceability: Lot and serial number records maintained for full supply chain traceability.
Procurement Process
- Confirm part number 330103-00-03-05-02-05 against your BOM or existing system configuration.
- Submit RFQ or place order directly via Konmask.com product page.
- Receive order confirmation with lead time and shipping details within 1 business day.
- Shipment with tracking; express DHL/FedEx international available.
- Post-delivery technical support available via email or phone.
Technical FAQ
Q: Is this probe compatible with the Bently Nevada 3500 monitoring system?
A: Yes. The 330103 series probes are compatible with 3300 XL Proximitor® drivers, which interface with 3500 series monitor racks via standard signal conditioning.
Q: What Proximitor® driver is required?
A: The 3300 XL 8mm probe system requires a 3300 XL Proximitor® (e.g., 330180 series). Verify driver part number against your system documentation.
Q: Can this probe be used on non-ferrous targets?
A: Eddy current probes are sensitive to target material conductivity and permeability. For non-standard target materials, consult Bently Nevada calibration data or contact Konmask technical support.
Q: What is the lead time for this part?
A: In-stock units ship within 1–3 business days. Contact us for urgent or large-quantity requirements.
Q: Do you provide a warranty?
A: Yes. All units are covered by Konmask’s 90-day functional warranty. OEM warranty terms apply to new-in-box stock.
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