Bently Nevada 21000-28-05-15-024-03-02 – Proximity Probe Housing Assembly | 3300 XL Series Platform
Engineering Background: The Bently Nevada 3300 XL Series is the global industry benchmark for non-contacting eddy-current measurement systems, deployed in turbomachinery protection and condition monitoring across power generation, oil & gas, and petrochemical industries. The housing assembly is the mechanical backbone of the probe system, ensuring precise gap maintenance, environmental sealing, and signal integrity under continuous industrial operation.
Product Positioning: Part number 21000-28-05-15-024-03-02 is a factory-configured proximity probe housing assembly engineered for direct integration into Bently Nevada 3300 XL monitoring systems. It is designed for procurement engineers and reliability teams requiring a verified, drop-in replacement or new-installation component with full OEM traceability.
Complete Technical Specifications
- Part Number / SKU: 21000-28-05-15-024-03-02
- Manufacturer: Bently Nevada (Baker Hughes)
- Series / Platform: 3300 XL Proximity Transducer System
- Component Type: Proximity Probe Housing Assembly
- Sensing Technology: Eddy-current (non-contacting)
- Probe Tip Diameter: 8 mm (standard 3300 XL configuration)
- Cable Length: Per part number suffix configuration (refer to BN ordering matrix)
- Thread / Mounting: Metric threaded body for locknut installation
- Operating Temperature: –35 °C to +177 °C (probe body)
- Ingress Protection: Industrial-grade housing; suitable for harsh process environments
- Weight (packaged): Approx. 1,080 g
- Compliance: API 670 machinery protection standard compatible
- HS Code: 9031.80.9090
- Country of Origin: United States
Proven Application Environments
- Steam and gas turbine shaft radial / axial vibration monitoring
- Compressor and pump rotor position measurement
- Gearbox and motor bearing displacement sensing
- Critical machinery protection systems per API 670
- Continuous online condition monitoring in power plants and refineries
- Retrofit and upgrade of legacy Bently Nevada 3300 installations
Engineering Advantages
- OEM Precision: Factory-assembled and calibrated to Bently Nevada specifications — no field calibration required for standard installations
- System Compatibility: Direct plug-and-play with 3300 XL drivers, extension cables, and monitors
- Robust Construction: Stainless steel housing withstands high-vibration, high-temperature, and chemically aggressive environments
- Signal Integrity: Shielded cable design minimizes EMI/RFI interference for accurate low-noise output
- Long Service Life: Non-contacting measurement eliminates mechanical wear on the sensing element
System Architecture & Signal Flow
The 3300 XL proximity transducer system operates as a three-component chain:
- Probe (21000-28-05-15-024-03-02): Generates an eddy-current field; gap change modulates the oscillator signal
- Extension Cable: Transmits the modulated signal from probe to driver with controlled impedance
- Driver / Proximitor: Conditions the signal and outputs a calibrated DC voltage (typically –24 VDC system, –200 mV/mil or –7.87 V/mm scale factor)
The output feeds directly into Bently Nevada 3500 or 3300 series monitors for alarm, trip, and trending functions.
Sourcing & Quality Verification
- All units sourced through authorized industrial distribution channels or verified surplus with full traceability documentation
- Pre-shipment inspection: visual examination, connector integrity check, and part number label verification
- Original OEM packaging preserved where available; anti-static and moisture-barrier packaging applied for all shipments
- Certificate of Conformance (CoC) available upon request
- Lead time: In-stock units ship within 1–3 business days; global delivery via DHL / FedEx / UPS
Procurement Process
- Confirm part number 21000-28-05-15-024-03-02 against your BOM or existing installation drawing
- Contact Konmask for real-time stock confirmation and quantity pricing
- Submit PO or request a formal quotation via support@konmask.com
- Receive shipping confirmation with tracking within 24 hours of order placement
- Technical support available post-delivery for installation guidance
Technical FAQ
Q: Is this part compatible with the Bently Nevada 3500 monitoring system?
A: Yes. The 3300 XL probe series is fully compatible with 3500 series monitors when used with the appropriate 3300 XL driver/proximitor.
Q: What is the standard scale factor for this probe?
A: The 3300 XL 8 mm probe system provides –200 mV/mil (–7.87 V/mm) when used with the matched Bently Nevada driver.
Q: Can this housing assembly be used in hazardous area (ATEX/IECEx) installations?
A: Please confirm the specific ATEX/IECEx certification suffix in your part number. Contact Konmask to verify certification status of available stock.
Q: Do you provide a warranty?
A: All units are covered by Konmask’s quality guarantee. OEM warranty terms apply to new-in-box stock. Contact us for details.
Q: What is the minimum order quantity?
A: MOQ is 1 unit. Volume pricing available for orders of 5+ units.
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