Bently Nevada 330101-00-45-05-02-00 – 8mm Eddy Current Proximity Probe | 3300 XL Series Platform
Engineering Background
The Bently Nevada 3300 XL Series represents the industry benchmark for non-contact shaft vibration and position measurement in rotating machinery protection systems. Developed for continuous operation in harsh industrial environments, the 3300 XL proximity probe system is the preferred sensing solution for API 670-compliant machinery protection on steam turbines, gas turbines, compressors, and pumps worldwide.
Product Positioning
The 330101-00-45-05-02-00 is an 8mm diameter eddy current proximity probe with a 45mm extension cable and a 5-meter (16.4 ft) armored integral cable, configured for standard -24 VDC bias voltage operation. It is designed to work exclusively within the Bently Nevada 3300 XL signal conditioning ecosystem, delivering ±200 mil (±5 mm) linear measurement range with a nominal sensitivity of 200 mV/mil (7.87 V/mm). This probe is the go-to choice for procurement engineers specifying OEM-equivalent replacement parts for GE, Baker Hughes, and third-party turbomachinery protection panels.
Complete Technical Specifications
| Part Number | 330101-00-45-05-02-00 |
| Series / Platform | Bently Nevada 3300 XL |
| Probe Diameter | 8 mm (0.315 in) |
| Extension Cable Length | 45 mm (1.77 in) |
| Integral Cable Length | 5 m (16.4 ft) |
| Cable Termination | Standard (02) |
| Measurement Principle | Eddy Current (Non-contact) |
| Linear Range | ±200 mil (±5.08 mm) |
| Nominal Sensitivity | 200 mV/mil (7.87 V/mm) |
| Bias Voltage (Output) | -10.0 VDC nominal at mid-range |
| Supply Voltage | -24 VDC (via Proximitor® driver) |
| Frequency Response | DC to 10,000 Hz (–3 dB) |
| Operating Temperature | -35°C to +177°C (-31°F to +351°F) |
| Target Material | AISI 4140 steel (standard); consult factory for other alloys |
| Probe Body Material | Stainless Steel |
| Thread | M10 × 1.0 |
| Connector | Integral coaxial cable with BNC-compatible driver interface |
| Compliance | API 670 (4th & 5th Edition), CE |
| Weight | ~500 g (probe + cable assembly) |
Proven Application Environments
- Steam turbine shaft radial vibration and axial position monitoring
- Gas turbine and compressor train rotor dynamics measurement
- Centrifugal pump and motor bearing displacement monitoring
- Gearbox and expander shaft orbit analysis
- API 670 machinery protection panels (OEM and retrofit)
- Petrochemical, LNG, power generation, and offshore platforms
Engineering Advantages
- Non-contact measurement: Zero mechanical wear; suitable for continuous 24/7 operation
- Wide temperature range: Qualified to +177°C for hot-section turbine installations
- High frequency response: DC–10 kHz bandwidth captures sub-synchronous and high-order harmonics
- API 670 compliant: Drop-in replacement for existing 3300 XL installations without recalibration
- Armored cable: Stainless steel braid protects against mechanical damage and EMI in panel wiring
- OEM-matched sensitivity: 200 mV/mil nominal ensures compatibility with existing Proximitor® drivers and monitors
System Architecture & Signal Flow
The 330101-00-45-05-02-00 probe operates as part of a three-component eddy current measurement chain:
- Proximity Probe (330101-00-45-05-02-00): Generates an oscillating electromagnetic field at the probe tip; eddy currents induced in the target shaft modulate the field impedance proportional to gap distance.
- Extension Cable (330130 series): Transmits the high-frequency RF signal from probe to Proximitor® driver with minimal loss. The 45mm extension in this assembly is factory-matched and must not be substituted.
- Proximitor® Driver / Monitor (3300 XL series): Demodulates the RF signal into a DC voltage output (mV/mil) and provides -24 VDC excitation. Compatible drivers include 330180, 330185, and 3300 XL 8mm Proximitor® modules.
Note: The probe, extension cable, and Proximitor® driver are a calibrated system. Mixing components from different series or manufacturers will invalidate calibration and may trigger false alarms or missed trips.
Sourcing & Quality Verification
- All units sourced through authorized industrial distribution channels or verified surplus with full traceability documentation
- Each probe inspected for physical integrity: tip condition, cable jacket, connector seating, and label legibility
- Serialization and date codes verified against Bently Nevada manufacturing records where available
- Functional bench test available on request: bias voltage output, sensitivity verification against reference target
- Packaging: anti-static bag, foam-lined carton, with calibration data sheet
Procurement Process
- Confirm compatibility: Verify your existing Proximitor® driver model and extension cable length before ordering
- Request quote: Contact [email protected] for volume pricing, lead time, and documentation package
- Order & payment: Proforma invoice issued within 24 hours; T/T, L/C, and PayPal accepted
- Shipping: DHL / FedEx express worldwide; EXW Xiamen or CIF destination available
- Documentation: Commercial invoice, packing list, COO (China), and test report included as standard
Technical FAQ
Q: Can I use this probe with a non-Bently Nevada monitor?
A: The probe itself is passive; however, the Proximitor® driver must match the 3300 XL 8mm calibration. Third-party drivers with adjustable sensitivity (200 mV/mil) may be compatible — consult your system integrator.
Q: What is the difference between -00-45-05-02-00 and -00-45-10-02-00?
A: The fifth segment denotes cable length: -05- = 5 meters, -10- = 10 meters. All other specifications are identical. Ensure your panel layout accommodates the cable run before ordering.
Q: Is this probe suitable for stainless steel shafts?
A: Standard calibration is for AISI 4140 steel. Stainless steel targets (e.g., 316 SS) exhibit different eddy current response and require a target material correction factor or field recalibration. Contact us for application-specific guidance.
Q: Do you provide ATEX / IECEx certified versions?
A: Bently Nevada offers ATEX-certified variants under separate part numbers. Please specify your hazardous area classification when requesting a quote.
Q: What is the minimum order quantity?
A: Single units are available. Volume discounts apply for orders of 5+ units.
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