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Product Overview
The Bently Nevada 330102-08-96-10-02-00 8mm proximity probe provides precision non-contact displacement sensing for critical turbomachinery protection. This probe functions as the primary sensing element within eddy-current measurement systems for vibration and position monitoring. It translates the physical gap between the probe tip and shaft surface into a stable impedance signal. Power generation and oil refining facilities depend on this probe for continuous machinery protection. Its rugged construction ensures measurement accuracy across extreme temperature variations and harsh operating conditions.
Technical Specifications
The table below presents the complete technical parameters for the Bently Nevada 330102-08-96-10-02-00 8mm proximity probe.
| Parameter | Specification |
|---|---|
| Product Type | 8mm Proximity Probe |
| Compatibility | Bently Nevada 3300 and 3500 monitoring systems |
| Thread Size | 3/4-20 UNF |
| Overall Probe Length | 960 mm (tip to connector) |
| Thread Length | 8 mm |
| Tip Material | Polyphenylene sulfide (PPS) with encapsulated coil |
| Case Material | 316L stainless steel |
| Integral Cable Length | 2 meters (6.6 feet) |
| Cable Jacket | High-strength fluoropolymer |
| Connector Type | 6-pin female, gold-plated contacts |
| Coil Inductance | 3.2 µH ±5% at 25°C |
| Weight | Approximately 1.30 kg |
| Operating Temperature | -51°C to +177°C |
| Storage Temperature | -55°C to +185°C |
| Minimum Bend Radius | 25 mm (static) |
Design Features and Construction
Probe Tip and Coil Technology
The Bently Nevada 330102-08-96-10-02-00 features a PPS probe tip that encapsulates a precision-wound induction coil. This advanced polymer offers outstanding resistance to chemical attack and thermal degradation. The coil maintains a stable inductance value of 3.2 microhenries across its entire specified temperature range. This stability guarantees consistent oscillator drive characteristics for accurate gap measurements in rotating machinery.
Mechanical Dimensions and Extended Reach
This 8mm probe measures 960 millimeters from the sensing face to the connector termination. The exceptional overall length enables installation in deep bore applications where standard probes cannot reach the measurement surface. It includes an 8-millimeter threaded section with standard 3/4-20 UNF threads. The 316L stainless steel case delivers exceptional corrosion protection and mechanical durability for long-term service.
Integral Cable and Connector Assembly
A 2-meter integral fluoropolymer-jacketed cable extends directly from the probe body for system interconnection. This cable provides convenient routing from deep measurement points to junction boxes or extension cables. Gold-plated 6-pin connectors at the termination end create secure, low-resistance electrical contacts. The cable’s 25-millimeter minimum bend radius prevents internal damage during installation and maintenance.
Environmental Performance and Durability
This 8mm probe operates reliably across an exceptionally wide temperature range from -51°C to +177°C. It also withstands short-term storage temperatures up to +185°C without degrading its electrical characteristics. The sealed PPS tip design prevents moisture ingress that could compromise coil performance over time. These environmental tolerances make the Bently Nevada 330102-08-96-10-02-00 ideal for demanding turbomachinery monitoring applications.
Installation and System Integration
Installing this 8mm probe requires threading it into a suitable mounting fixture or bearing housing assembly. You must set the probe gap correctly to achieve the proper DC bias voltage for the connected proximitor. The extended 960-millimeter length suits installations where the mounting point sits far from the target shaft surface. This probe integrates seamlessly with 3300 XL proximitors and 3500 rack monitoring systems for comprehensive protection solutions.