Bently Nevada 330904-00-02-05-01-00 Proximity Probe – 3300 XL 8mm Eddy Current Transducer System
When a critical rotating machine loses its shaft vibration monitoring capability, the consequences are immediate and severe: undetected rotor imbalance, bearing wear, or shaft misalignment can escalate within minutes into catastrophic machinery failure, unplanned downtime, and six-figure repair costs. In high-stakes environments such as gas turbines, steam turbines, centrifugal compressors, and large pumps, continuous proximity measurement is not optional — it is the last line of defense between normal operation and a plant-wide emergency shutdown. A single missing or failed proximity probe can render an entire machinery protection system blind.
The Bently Nevada 330904-00-02-05-01-00 is an 8mm eddy current proximity probe engineered as part of the industry-standard 3300 XL 8mm Proximity Transducer System. Within the 3300 Series family, this model delivers a sensitivity of 200 mV/mil (7.87 V/mm) with a linear measurement range of 0–80 mil (0–2.03 mm), making it the preferred choice for shaft radial vibration, axial position, and differential expansion monitoring. Trusted by rotating equipment engineers across power generation, oil & gas, and petrochemical facilities worldwide, the 3300 XL Series remains the de facto standard for API 670-compliant machinery protection systems.
Technical Specifications
- Part Number: 330904-00-02-05-01-00
- Series: 3300 XL 8mm Proximity Transducer System
- Probe Tip Diameter: 8 mm
- Sensitivity: 200 mV/mil (7.87 V/mm)
- Linear Range: 0–80 mil (0–2.03 mm)
- Frequency Response: DC to 10,000 Hz
- Operating Temperature: -35°C to +177°C (-31°F to +350°F)
- Cable Length: 5 m (per part number configuration)
- Connector: Standard Bently Nevada coaxial connector
- Target Material: AISI 4140 steel or equivalent ferromagnetic alloy
- Compliance: API 670, CE
- Manufacturer: Bently Nevada (Baker Hughes)
Key Features & Benefits
- Non-contact measurement: Zero mechanical wear, no lubrication required — ideal for continuous 24/7 operation in harsh industrial environments.
- High-frequency response: DC to 10 kHz bandwidth captures both slow-roll runout and high-speed vibration events with equal precision.
- API 670 compliant: Meets the most stringent international standard for machinery protection instrumentation, ensuring acceptance by EPC contractors and end-user safety audits worldwide.
- Plug-and-play system compatibility: Designed to integrate directly with Bently Nevada 3300 Series extension cables and proximitors without recalibration.
- Robust stainless steel construction: Hermetically sealed probe tip withstands high-pressure, high-temperature, and chemically aggressive process environments.
- Wide operating temperature range: Reliable from -35°C to +177°C, covering the full spectrum of rotating equipment applications from cryogenic to high-temperature service.
Industry & Equipment Applications
- Power Generation: Steam turbine shaft radial vibration and axial position monitoring
- Oil & Gas: Centrifugal compressor, gas turbine, and expander protection systems
- Petrochemical: Reactor agitator, pump, and blower vibration surveillance
- Marine & Offshore: Propulsion shaft and auxiliary machinery monitoring
- Pulp, Paper & Steel: High-speed roll and drive train condition monitoring
- Water & Wastewater: Large vertical pump and motor protection systems
System Integration & Compatible Parts
The 330904-00-02-05-01-00 probe is designed to operate as part of a complete 3300 XL Series transducer system. Compatible components include:
- Extension Cables: 330130 Series (matched cable length required for system calibration)
- Proximitor / Oscillator-Demodulator: 3300 XL 8mm Proximitor Sensor (e.g., 330180 Series)
- Monitoring Systems: Bently Nevada 3500 Series Machinery Protection System, System 1 Software
- Mounting Hardware: Standard 3300 Series probe holders and armored conduit fittings
Always verify the complete part number configuration (probe + extension cable + proximitor) to ensure system-level calibration compliance per Bently Nevada application notes.
Our Quality Assurance Process
At Konmask.com, every Bently Nevada proximity probe undergoes a rigorous multi-stage verification process before shipment:
- Authenticity Verification: Part number, date code, and manufacturer markings cross-checked against Bently Nevada documentation.
- Physical Inspection: Probe tip, cable jacket, connector, and housing inspected for damage, corrosion, or tampering.
- Functional Pre-check: Coil continuity and insulation resistance tested prior to packaging.
- Secure Packaging: Anti-static, moisture-barrier packaging with shock-absorbing foam to protect the precision probe tip during international transit.
- Documentation: Certificate of conformance and packing list included with every shipment.
How to Order
- Submit your inquiry via the Contact Us form or email [email protected] with your required quantity and delivery timeline.
- Our technical team will confirm part availability, lead time, and provide a formal quotation within 24 business hours.
- Upon PO confirmation, we arrange secure packaging and international express or freight shipment to your facility.
- Track your shipment with the provided AWB/tracking number; our team remains available for post-delivery technical support.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and rotating equipment instrumentation — no generalist catalog noise.
- Global Supply Network: Sourcing from verified channels ensures genuine parts with full traceability, even for discontinued or long-lead items.
- Technical Expertise: Our team includes engineers with hands-on experience in Bently Nevada system commissioning and troubleshooting.
- Fast Response: Inquiry-to-quotation in under 24 hours; emergency orders accommodated.
- Flexible Shipping: DHL, FedEx, UPS, and freight options to 150+ countries with full export documentation support.
Frequently Asked Questions
- Q: Is the 330904-00-02-05-01-00 compatible with older 3300 Series systems?
- A: Yes. The 3300 XL 8mm probe family maintains backward compatibility with earlier 3300 Series extension cables and proximitors, provided the cable length configuration matches the system calibration curve.
- Q: What is the difference between the 330900 and 330904 probe series?
- A: The 330904 series features an extended temperature rating and enhanced EMI shielding compared to the base 330900 series, making it better suited for high-temperature turbine and compressor environments.
- Q: Can this probe be used for axial position measurement?
- A: Yes. With appropriate mounting hardware and a compatible proximitor, the 330904-00-02-05-01-00 can be configured for both radial vibration and axial position (thrust) measurement applications.
- Q: Do you provide a warranty or certificate of conformance?
- A: Every unit ships with a certificate of conformance. Warranty terms are provided in the formal quotation based on part condition and sourcing channel.
- Q: What is the minimum order quantity?
- A: We supply single units through to bulk orders. Contact us for volume pricing on quantities of 5 or more.
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