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Product Introduction
The Bently Nevada 330904-05-14-05-02-05 is a high-performance proximity probe used for non-contact vibration and displacement measurements of rotating machinery. As part of the trusted 3300 XL series by Bently Nevada (a Baker Hughes brand), this model integrates a probe, extension cable, and Proximitor sensor to deliver reliable and accurate readings under extreme industrial conditions.
This system is commonly used in critical turbomachinery applications, ensuring effective condition monitoring and protection of key assets like compressors, pumps, steam/gas turbines, and motors.
Designed to comply with API 670 standards, the 330904 probe is ideal for detecting shaft vibration, axial displacement, and rotor position. With its robust mechanical structure and compatibility with numerous industrial systems, it plays a vital role in predictive maintenance strategies.
Product Advantages
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API 670 Compliant: Fully meets industry-standard requirements for vibration monitoring systems in critical machinery.
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High Accuracy: Delivers precise, non-contact vibration and displacement measurements up to 2 mm (80 mils) range.
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Robust Design: Engineered for harsh environments with high resistance to temperature, pressure, oil ingress, and EMI/RFI interference.
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System Compatibility: Works seamlessly with Bently Nevada’s 3300 XL Proximitor systems and monitors.
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Long Cable Reach: Cable length tailored for installations requiring extended distance from sensor to monitoring equipment.
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Proven Reliability: Backed by Bently Nevada’s reputation for durability and long-term performance in industrial monitoring systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 330904-05-14-05-02-05 |
| Sensing Technology | Eddy current (proximity sensor) |
| Sensitivity | 7.87 mV/μm (200 mV/mil) |
| Linearity | ±0.25% of full scale |
| Total Length | 0.5 meter |
| Connector Type | Miniature coaxial connector |
| Operating Temperature Range | -35°C to +177°C (-31°F to +351°F) |
| Case Material | Stainless steel |
| Insulation | FEP (fluorinated ethylene propylene) |
| Environmental Protection | IP65 (when properly installed) |
| Compliance | API 670, CE, RoHS |
| Weight | 0.15 kg |
Product Applications
The Bently Nevada 330904-05-14-05-02-05 is suitable for a wide range of industrial machinery and applications, including:
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Steam and Gas Turbines – For real-time shaft vibration and thrust position monitoring.
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Compressors and Blowers – Helps identify bearing wear and rotor imbalance.
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Motors and Generators – Enables early detection of misalignment or soft foot.
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Pumps – Monitors axial shaft movement to prevent catastrophic failure.
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Gearboxes – Detects vibration abnormalities to prevent gear damage.
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Hydraulic Machinery – Useful for displacement and vibration analysis.
Frequently Asked Questions (FAQ)
Q1: What does the model number 330904-05-14-05-02-05 indicate?
A1: Each segment refers to probe length, thread size, cable length, connector type, and system configuration specific to Bently Nevada standards.
Q2: Is the 330904 probe compatible with older 3300 systems?
A2: Yes, it is backward-compatible with legacy Bently Nevada systems, particularly when used with appropriate Proximitor modules.
Q3: How accurate is the 330904 in measuring shaft vibration?
A3: The probe offers a high accuracy of ±0.25% over the full scale with a sensitivity of 200 mV/mil.
Q4: Can this proximity probe be used in hazardous environments?
A4: Yes, with proper installation, it meets IP65 standards and can be used in Class I Div 2 environments with appropriate certifications.
Q5: What is the maximum temperature the sensor can withstand?
A5: The operating temperature range extends up to +177°C (+351°F), suitable for most industrial applications.
Q6: Does the probe require regular calibration?
A6: While factory calibration is robust, periodic verification during maintenance cycles is recommended.
Q7: How is the probe installed?
A7: It is threaded into a mounting sleeve or bracket, and the coaxial cable is connected to the Proximitor sensor for signal processing.
Q8: What types of targets can this probe measure?
A8: It measures conductive targets, usually metallic rotor shafts or surfaces in rotating machinery.
Q9: What’s the impact of electromagnetic interference?
A9: The probe is shielded and designed to minimize EMI/RFI effects, ensuring stable readings in noisy environments.
Q10: Can I use this with a different brand’s monitoring system?
A10: While possible, Bently Nevada systems are optimized for their own probes; cross-brand use may require adapters or impact accuracy.
Recommended Related Models (Same Series or Application)
| Model | Description |
|---|---|
| 330904-00-05-10-02-00 | Standard 8 mm probe with 5 m cable |
| 330104-00-05-10-02-00 | 5 mm probe alternative, shorter range |
| 330930-065-01-00 | XL Extension cable, 5m, with connectors |
| 330180-91-00 | 3300 XL Proximitor Sensor |
| 330106-05-30-10-02-00 | 8 mm probe, long thread, extended temp rating |
| 330850-50-05 | 50 mm extension cable with connectors |
Popular Models from the Same Brand (Bently Nevada)
| Model Number | Description | Cable Length | Range | Weight |
|---|---|---|---|---|
| 330104-00-10-10-02-00 | 5 mm proximity probe, short thread | 10 m | 2 mm | 0.42 kg |
| 330130-040-00-00 | XL extension cable for proximity sensors | 4 m | N/A | 0.30 kg |
| 330180-50-00 | 3300 XL Proximitor sensor module | N/A | 80 mils | 0.55 kg |
| 330703-000-070-10-02-00 | Velomitor piezo-velocity sensor | N/A | N/A | 0.47 kg |
| 991-06-50-01-01 | Accelerometer sensor with integral cable | 5 m | N/A | 0.35 kg |
| 3500/42M | Vibration Monitor Module (3500 Series) | N/A | N/A | 0.90 kg |
| 330105-02-12-10-02-05 | 8 mm probe, 2 m cable, extended range | 2 m | 2 mm | 0.40 kg |
| 3500/15E | Power supply module for 3500 system | N/A | N/A | 1.20 kg |
