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Product Introduction
The Bently Nevada 330104-01-09-90-01-05 3300 XL 8 mm Proximity Probe is a high-precision, non-contact eddy current sensor designed for critical monitoring of rotating machinery. Belonging to the 3300 XL series, this probe provides accurate measurement of shaft displacement and vibration, offering essential data for machine protection, predictive maintenance, and operational optimization.
Featuring an 8 mm probe diameter and a total cable length of 9 meters, it is suitable for installations on large industrial machinery or in challenging plant layouts where extended reach is required. The probe’s stainless steel housing and mineral-insulated cable provide durability against vibration, high temperatures, and electromagnetic interference. Fully compatible with Bently Nevada 3300 XL monitoring systems, this probe ensures continuous, high-fidelity signals for early fault detection and reliable machinery protection.
Product Specifications
| Parameter | Specification |
|---|---|
| Model Number | 330104-01-09-90-01-05 |
| Product Type | 8 mm Eddy Current Proximity Probe |
| Series | 3300 XL |
| Probe Diameter | 8 mm |
| Total Length | 9 meters |
| Measurement Range | Up to 1.27 mm (dependent on system configuration) |
| Linear Range | ±10% of calibrated gap |
| Frequency Response | DC to 10 kHz |
| Sensitivity | 20 mV/µm (typical with 3300 XL monitoring system) |
| Resolution | <0.5 µm |
| Operating Temperature | -40°C to +120°C (probe head) |
| Storage Temperature | -50°C to +150°C |
| Probe Material | Stainless steel housing with mineral-insulated cable |
| Humidity | 0–95% non-condensing |
| Certifications | CE, UL, CSA |
| Weight | 2.907 kg |
| Mounting | Threaded sleeve or custom machinery mounting |
| Compatibility | Bently Nevada 3300 XL Series Monitoring Systems |
Applications
The 330104-01-09-90-01-05 probe is ideal for precise monitoring of machinery where accurate shaft displacement and vibration measurement are critical:
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Steam and Gas Turbines – Measures shaft displacement to detect imbalance, misalignment, and rotor instability.
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Compressors – Monitors rotor vibration and shaft position to ensure safe operation.
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Pumps – Detects cavitation, bearing wear, and shaft deflection.
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Generators and Motors – Provides early detection of mechanical anomalies for operational stability.
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Petrochemical and Refinery Plants – Performs reliably under harsh, high-vibration industrial environments.
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Machine Protection Systems – Integrates into API 670-compliant monitoring and protection systems.
Advantages
The Bently Nevada 330104-01-09-90-01-05 8 mm Probe offers multiple operational benefits:
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High Accuracy – Delivers precise displacement and vibration measurements with excellent linearity.
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Rugged Construction – Stainless steel housing and mineral-insulated cable ensure durability in demanding conditions.
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Wide Frequency Response – Capable of detecting both low-speed and high-speed vibrations.
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Seamless Integration – Fully compatible with 3300 XL monitoring systems for continuous machine protection.
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Maintenance-Free Operation – Non-contact design reduces wear and minimizes maintenance requirements.
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Temperature and Vibration Resistant – Maintains accuracy under extreme environmental conditions.
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Predictive Maintenance Support – Early detection of faults prevents unplanned downtime.
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Flexible Installation – Extended 9-meter cable supports installation on large machinery or complex plant layouts.
Frequently Asked Questions (FAQ)
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Which monitoring systems is this probe compatible with?
The probe is fully compatible with Bently Nevada 3300 XL monitoring systems, providing reliable displacement and vibration signals for critical machinery protection. -
What is the nominal sensitivity of the probe?
The typical sensitivity is 20 mV/µm when used with the 3300 XL monitoring system. -
What frequency range can the probe measure?
It operates from DC to 10 kHz, capable of detecting low-speed and high-speed machinery vibrations. -
What is the operating temperature range of the probe head?
Reliable operation is maintained between -40°C and +120°C while ensuring accurate measurement. -
Can the probe operate in high-humidity or industrial environments?
Yes, it is rated for 0–95% non-condensing humidity and designed to withstand harsh industrial environments. -
What is the linear measurement range of this probe?
±10% of the calibrated gap ensures proportional and accurate signal output. -
Does the probe require external power?
No, power and signal conditioning are supplied by the 3300 XL monitoring system. -
Is this probe suitable for API 670-compliant protection systems?
Yes, it integrates seamlessly into API 670-compliant monitoring and protection platforms. -
Does the extended 9-meter cable affect signal accuracy?
The probe is calibrated for the 9-meter cable, ensuring accurate signal transmission and minimal attenuation. -
What are the recommended mounting options?
Threaded sleeve or custom machinery mounting is recommended to maintain proper alignment and calibration.
Related Models (Same Series)
| Model Number | Probe Type | Description |
|---|---|---|
| 330104-01-09-90-01-01 | 8 mm Proximity Probe | Standard 3300 XL probe with 3-meter cable |
| 330104-01-09-90-01-02 | 8 mm Proximity Probe | High-temperature variant |
| 330104-01-09-90-01-03 | 8 mm Proximity Probe | Extra-flexible cable version |
| 330105-01-09-90-01-05 | 8 mm Proximity Probe | High-sensitivity configuration |
| 330106-01-09-90-01-05 | 8 mm Proximity Probe | API 670-compliant variant |
| 330104-01-09-90-01-06 | 8 mm Proximity Probe | Extended linear range version |
Popular Models from the Same Brand (Bently Nevada)
| Model Number | Product Type | Description |
|---|---|---|
| 330104-01-09-50-01 | 8 mm Proximity Probe | Standard 3300 XL probe for turbines and compressors |
| 330104-01-09-50-03 | 8 mm Proximity Probe | High-accuracy probe for critical machinery |
| 330105-01-09-50-01 | 8 mm Proximity Probe | High-sensitivity version for vibration monitoring |
| 330130-01-09 | 3300 XL Proximity Probe | Compact probe for smaller machinery |
| 330140-01-09 | 3300 XL Proximity Probe | Extended range probe for large turbines |
| 330150-01-09 | 3300 XL Proximity Probe | API 670-compliant probe for generators |
