The Bently Nevada 330851-02-000-60-10-00-05 is a 25 mm proximity probe with an M30x2 thread and 1.0m cable. It offers a 12.7mm linear range for precise differential expansion monitoring.
The Bently Nevada 330851-02-000-60-10-00-05 serves as a high-precision transducer for large-scale rotating equipment. This 25 mm probe primarily tracks the differential expansion between turbine rotors and stators. Because thermal growth occurs at different rates, this measurement prevents mechanical interference. The sensor operates reliably across a temperature spectrum from -35°C to +200°C. Therefore, it remains a standard choice for high-heat steam turbine environments.
This specific model features a robust M30 x 2 metric thread for heavy-duty mounting. The probe body includes a 60 mm unthreaded section followed by a 100 mm total case length. Additionally, an integrated 1.0-meter cable provides the initial connection to the transducer system. This version omits external armor to ensure maximum flexibility in tight installation paths. The rugged build quality supports long-term deployment in demanding industrial settings without signal degradation.
Precision remains the core advantage of the 3300 XL 25 mm series. The system provides an expansive linear range of 12.7 mm for broad movement tracking. It delivers a calibrated sensitivity of 0.787 V/mm, which translates to 20 mV/mil. Consequently, the monitor receives highly detailed data regarding rotor position changes. This allows operators to identify potential clearance issues before they lead to catastrophic machine failure.
This probe integrates seamlessly with the 3300 XL 25 mm Proximitor and extension cables. It specifically supports mid-sized to large steam turbine generators in power production facilities. Furthermore, its compliance with API 670 standards ensures interchangeability with other certified components. The hardware facilitates predictive maintenance by providing stable, repeatable measurements over years of service. Its lightweight 0.08 kg design simplifies the installation process for field technicians.
| Parameter | Specification |
| Brand | Bently Nevada |
| Model Number | 330851-02-000-60-10-00-05 |
| Probe Tip Diameter | 25 mm |
| Linear Range | 12.7 mm (500 mils) |
| Scale Factor | 0.787 V/mm (20 mV/mil) |
| Thread Type | M30 x 2 (Metric) |
| Unthreaded Length | 60 mm |
| Total Case Length | 100 mm |
| Integral Cable Length | 1.0 Meter |
| Certification | Multi-approval (ATEX/IECEx/CSA) |
The Bently Nevada 31000-16-10-15-030-03-02 is a specialized proximity probe housing designed to physically protect a proximity probe and its integral cable within harsh industrial environments. Its primary function is to provide a secure, environmentally sealed mounting point on rotating machinery for acquiring critical vibration and position data. The housing is constructed from 304 Stainless Steel, offering robust protection against physical impact and corrosion. This specific configuration, 31000-16-10-15-030-03-02, features a 3/4-14 NPT external mounting thread for direct installation into a machine case. Internally, it accommodates a Bently Nevada 3300 XL 8 mm or 3300 5 mm probe, which is positioned by a 1.0-inch stinger (probe sleeve). The housing facilitates the signal path from the probe tip to the Bently Nevada 3500 Monitoring System. The probe, connected via an extension cable to a Proximitor Sensor, generates a high-frequency RF signal. The resulting eddy current field is used to measure the distance to the observed conductive target. The Proximitor Sensor conditions this signal into a calibrated DC voltage proportional to the gap, which is then transmitted to a 3500/42M Proximitor/Seismic Monitor module for analysis, alarming, and machinery protection.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 31000-16-10-15-030-03-02 |
| Product Type | 31000 Proximity Probe Housing |
| Condition | Brand New |
| Warranty | 12 Months |
| Housing Material | 304 Stainless Steel |
| Mounting Thread | 3/4-14 NPT |
| Stinger (Probe Sleeve) Length | 1.0 inch (25.4 mm) |
| Probe Compatibility | Bently Nevada 3300 XL 8 mm and 3300 5 mm Proximity Probes |
| Environmental Sealing | Viton O-ring cable seal included |
| Operating Temperature Range | -34 °C to +177 °C (-30 °F to +350 °F) |
| Hazardous Area Suitability | Suitable for Class I, Div 2 / Zone 2 locations when installed per Bently Nevada control drawings and with appropriately certified system components. |
In Oil & Gas applications, the 31000-16-10-15-030-03-02 housing provides essential protection for transducers monitoring centrifugal and reciprocating compressors, pumps, and gearboxes. Its 304 Stainless Steel construction and Viton seals ensure long-term integrity in environments containing corrosive elements such as H2S and hydrocarbons, a critical requirement for meeting API 670 standards for machinery protection systems. In Power Generation, this housing is extensively used on steam and gas turbines, exciters, and boiler feed pumps. It maintains measurement accuracy and reliability under conditions of high temperature and vibration, which is fundamental for monitoring shaft radial vibration, axial thrust position, and differential expansion. The passive mechanical design results in a high Mean Time Between Failures (MTBF), contributing to overall plant availability. When properly installed, the housing assembly provides an environmental rating equivalent to NEMA 4X and IP65, preventing ingress of dust, moisture, and process contaminants that could otherwise compromise signal integrity
The Bently Nevada 330102-00-60-10-01-05 is an 8 mm reverse-mount eddy current proximity probe designed for non-contact measurement of vibration and displacement. It functions as a core component of the 3300 XL 8 mm Proximity Transducer System, which also includes an extension cable and a Proximitor Sensor. The probe operates by having the Proximitor Sensor generate a high-frequency radio frequency (RF) signal, which is transmitted through the extension cable and radiated from the probe's tip into a small electromagnetic field. When a conductive target, such as a machine shaft, enters this field, eddy currents are induced on its surface. These currents create a secondary magnetic field that opposes the primary field, causing a measurable change in the RF signal's amplitude. This change is directly proportional to the gap between the probe tip and the target surface. The Proximitor Sensor demodulates this signal, converting it into a DC voltage that accurately represents the physical distance. This conditioned voltage signal is then transmitted to a monitoring system, such as the Bently Nevada 3500, for real-time analysis of radial vibration, axial position, and shaft speed.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 330102-00-60-10-01-05 |
| Product Type | 3300 XL 8 mm Reverse Mount Proximity Probe |
| Condition | Brand New |
| Warranty | 12 Months |
| Total Length | 1.0 meter (3.3 feet) |
| Case Length | 6.0 inches (152 mm) |
| Mounting Option | Reverse Mount |
| Connector Type | Miniature coaxial ClickLocâ„¢ connector, gold-plated |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Case Material | AISI 304 Stainless Steel |
| Agency Approvals | Multiple Approvals: CSA (Class I, Div 1/2), ATEX/IECEx (Zone 0/1) |
In Oil & Gas and Power Generation applications, the 330102-00-60-10-01-05 probe demonstrates high reliability in demanding operational environments. Its construction with a PPS tip and stainless steel case allows for continuous operation in temperatures ranging from -34 °C to +177 °C (-29 °F to +350 °F). The gold-plated ClickLoc connector provides a secure, corrosion-resistant connection that prevents signal degradation from fluid ingress or vibration-induced intermittence. When paired with a 3300 XL Proximitor Sensor, the system provides a linear measurement range of 2.0 mm (80 mils) with a scale factor of 7.87 V/mm (200 mV/mil), ensuring precise data for machine diagnostics. The system is designed for high immunity to radio frequency interference (RFI), minimizing signal corruption in electrically noisy industrial environments. The probe's physical durability and signal integrity are critical for monitoring high-speed turbomachinery, where accurate measurement of shaft dynamics is essential for preventing catastrophic failure.
Q: What systems is the 330102-00-60-10-01-05 compatible with?
A: The 330102-00-60-10-01-05 probe is a component of the 3300 XL 8 mm Transducer System. For proper operation, it must be used with a 3300 XL extension cable and a 3300 XL Proximitor Sensor (e.g., part number 330180). This complete transducer system is fully compatible with Bently Nevada monitoring systems, including the 3500 Series Machinery Protection System and ADRE Sxp/408 DSPi data acquisition systems. It is not electrically or mechanically compatible with components from other transducer series, such as the 7200 or 3000 series.
Q: What are the installation requirements?
A: As a reverse-mount probe, the 330102-00-60-10-01-05 is installed from inside the machine housing, with the probe body extending outward. A clearance hole must be drilled through the machine case to accommodate the 8 mm probe tip. The target area on the observed shaft must be smooth, free of surface defects, and have a minimum diameter of 10.7 mm (0.42 in) to ensure measurement accuracy. The probe's gap should be set to the center of its linear range, typically corresponding to -10.0 Vdc. The ClickLoc connector must be tightened to the specified torque to ensure a secure, environmentally sealed connection. Cable routing must avoid areas of extreme heat, physical abrasion, and proximity to high-voltage power lines to maintain signal integrity.
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