You are here:
- Home
- Product
- Sensors & Probes
- Proximity Probes
- Bently Nevada 330102-00-20-50-02-00 3300 XL 8 mm Proximity Probe
SKU: 330102-00-20-50-02-00
Bently Nevada 330102-00-20-50-02-00 3300 XL 8 mm Proximity Probe
The Bently Nevada 330102-00-20-50-02-00 is a 3300 XL 8 mm proximity probe with a 3/8-24 UNF thread and 5.0m armored cable. It provides non-contacting vibration and position measurements for high-speed compressors and space-restricted machinery.
Comprehensive Vibration and Position Monitoring
The Bently Nevada 330102-00-20-50-02-00 is a high-performance 3300 XL 8 mm proximity probe engineered for precise vibration and position monitoring in industrial machinery. Because it utilizes advanced eddy current technology, the sensor provides non-contacting measurements by generating an electromagnetic field at the probe tip. This specific model excels in monitoring small-diameter shafts or applications where space is extremely restricted, such as in centrifugal compressors and high-speed refrigeration units. Moreover, it delivers a standard sensitivity of 7.87 V/mm (200 mV/mil), which ensures accurate tracking of radial vibration and axial thrust position.
Robust Construction for Demanding Environments
To ensure long-term reliability in harsh industrial zones, this probe features a 5.0-meter integrated cable protected by stainless steel armor. This armored casing provides superior resistance against mechanical abrasion and chemical exposure, while the FEP jacket maintains the cable’s electrical integrity. Furthermore, the 330102-00-20-50-02-00 includes the ClickLoc miniature coaxial connector. This specialized connection mechanism offers a secure, gold-plated interface that resists loosening due to machinery vibration. Consequently, the system maintains a stable signal even when installed in proximity to high-power electrical equipment, thanks to its enhanced RFI/EMI immunity.
Installation and System Compatibility
This probe is designed with a 3/8-24 UNF threaded body, which simplifies the mounting process into machine housings or specialized brackets. While it is a part of the 3300 XL series, it is also highly effective for replacing legacy 3300 RAM or 3000/7000-series transducer systems. Therefore, it serves as a critical upgrade path for aging machinery protection systems. Although it has a slightly more compact linear range of 1.5 mm (60 mils) compared to larger probes, it provides superior performance in restricted counter-bore environments. By integrating this probe into a 3500 series monitoring rack, operators can achieve 100% Brand New reliability for their predictive maintenance programs.
Technical Characteristics
- Manufacturer:Â Bently Nevada (Baker Hughes)
- Model Number:Â 330102-00-20-50-02-00
- Series:Â 3300 XL / 3300 NSv
- Tip Diameter:Â 8 mm
- Thread Type:Â 3/8-24 UNF
- Unthreaded Length:Â 0.0 inches
- Case Length:Â 2.0 inches
- Total Length:Â 5.0 Meters (16.4 feet)
- Cable Protection:Â Stainless Steel Armor
- Connector:Â Miniature Coaxial ClickLoc
- Certifications:Â ATEX, IECEx, CSA, CE
- Frequency Range:Â 0 to 10 kHz
Functional Advantages
The 330102-00-20-50-02-00 provides essential data for Keyphasor signals and tachometer applications on shafts as small as 51 mm (2 inches). Because it follows a standardized calibration for 4140 steel targets, it ensures consistent data across different machine types. Furthermore, the interchangeability of the 3300 XL components allows for the replacement of individual probes or cables without the need for total system recalibration. This flexibility significantly reduces maintenance costs and operational downtime in power generation and oil and gas facilities.
You may also like
The Bently Nevada 330909-00-20-10-02-CN is a 3300 NSv proximity probe featuring a 3/8-24 UNF thread and 1.0m cable. Designed for narrow side-view applications, this sensor provides precise vibration and position monitoring for small-diameter shafts and restricted machine spaces.
Bently Nevada 330908-00-30-10-01-CN 3300 NSv Proximity Probe
The Bently Nevada 330908-00-30-10-01-CN is an 8mm 3300 NSv proximity probe designed for tight-clearance vibration monitoring. It features a 3.0-inch case, 1.0-meter cable, and ClickLoc connector, providing high-precision data for industrial TSI systems.
31000-16-10-15-030-03-02 | Bently Nevada | 31000 Proximity Probe Housing
Technical Overview
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.
Detailed Specifications
| 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. |
Operational Capabilities
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
330703-00-100-10-11-CN | Bently Nevada | 3300 XL 11 mm Proximity Probes
Technical Overview
The Bently Nevada 330703-00-100-10-11-CN is an 11 mm eddy current proximity probe designed for non-contact displacement and vibration measurement on rotating machinery. It functions as a core component of the 3300 XL 11 mm Transducer System, which also includes a matched extension cable and a 3300 XL 11 mm Proximitor Sensor. The system operates on the eddy current principle, where the Proximitor Sensor emits a high-frequency radio frequency (RF) signal through the probe and extension cable. This signal radiates from the probe tip, creating an 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 impedance. The Proximitor Sensor demodulates this signal to produce a DC voltage directly proportional to the gap between the probe tip and the target surface. This analog voltage signal is then transmitted to a monitoring system, such as the Bently Nevada 3500 series, for real-time analysis of radial vibration, axial position, and shaft speed. The 330703-00-100-10-11-CN features a robust stainless steel case and a chemically resistant Polyphenylene Sulfide (PPS) tip, ensuring reliability in harsh industrial environments.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 330703-00-100-10-11-CN |
| Product Type | 3300 XL 11 mm Proximity Probe |
| Condition | Brand New |
| Warranty | 12 Months |
| Linear Range | 4.0 mm (160 mils) |
| Scale Factor | 2.00 mV/µm (50 mV/mil) ± 6.5% |
| Total Length | 1.0 metre |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Probe Case Material | AISI 304 Stainless Steel |
| Connector Type | Miniature coaxial ClickLocâ„¢ connector, gold-plated |
| Agency Approval | CN Ex (China Ex) for hazardous area installations |
Operational Capabilities
The 330703-00-100-10-11-CN proximity probe is engineered for high reliability in demanding industrial applications, particularly within Oil & Gas and Power Generation sectors. Its 11 mm tip provides a larger linear measurement range and is well-suited for monitoring large shaft diameters or applications requiring a greater standoff distance. The probe's construction ensures operational integrity across a wide temperature range, with the probe tip rated for -51 °C to +177 °C (-60 °F to +351 °F). The 3300 XL system design provides enhanced immunity to radio frequency interference (RFI/EMI), minimizing the risk of signal corruption from nearby motors, generators, or radio sources. The gold-plated ClickLoc™ connector ensures a secure, corrosion-resistant connection that prevents intermittent signals caused by vibration. When installed and maintained according to manufacturer specifications, the system demonstrates high Mean Time Between Failures (MTBF) and is a critical component for machinery protection systems (MPS) and condition monitoring programs, compliant with standards such as API 670.
Applications
- Steam and gas turbines for power generation
- Large centrifugal and reciprocating compressors in oil & gas processing
- Boiler feed water pumps and other critical pump applications
- Large electric motors and generators
- Gearboxes and other industrial rotating machinery with fluid-film bearings
- Integration into predictive maintenance and machinery protection systems (MPS)
- Axial (thrust) position and radial vibration monitoring
Technical FAQ
Q: What systems is the 330703-00-100-10-11-CN compatible with?
A: The 330703-00-100-10-11-CN probe must be used as part of a complete Bently Nevada 3300 XL 11 mm Transducer System. This requires a matching 3300 XL 11 mm Proximitor Sensor (e.g., part number 330780) and a 3300 XL 11 mm extension cable. It is not interchangeable with components from 5 mm or 8 mm transducer systems, as the scale factor and linear range are different. The complete transducer system provides a voltage output compatible with Bently Nevada monitoring systems, including the 3500 and 3300 series, as well as third-party PLCs, DCS, and data acquisition systems designed to accept a 3-wire, -24 Vdc powered eddy current probe input.
Q: What are the installation requirements?
A: Proper installation is critical for accurate measurements. The probe must be mounted perpendicular to the observed shaft surface using a rigid bracket. The target area on the shaft must be smooth (typically 0.4 to 0.8 µm / 16 to 32 µin Ra), free of chrome or other non-conductive plating, and clear of any residual magnetism or electrical runout. The probe must be gapped correctly by adjusting its distance to the shaft until the Proximitor Sensor output voltage is at the center of the linear range, typically -10.0 Vdc. The probe case locknut should be torqued to the specified value to prevent loosening. The integral cable and any extension cable should be secured to avoid strain on the connectors and routed away from high-voltage power cables to minimize interference.
330102-00-60-10-01-05 | Bently Nevada | 3300 XL 8 mm Proximity Probes
Technical Overview
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.
Detailed Specifications
| 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) |
Operational Capabilities
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.
Applications
- Power generation turbines and generators
- Oil & gas compressors and pumps
- Industrial rotating machinery monitoring
- Predictive maintenance systems
- Process automation
Technical FAQ
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.
Bently Nevada 330180-X1-05 MOD:145004-67 3300 XL Proximitor Sensor
The Bently Nevada 330180-X1-05 MOD:145004-67 is a 3300 XL Proximitor sensor for vibration monitoring. It features a stainless steel housing and 50 Ω output resistance. This modified sensor provides precise gap measurements for critical industrial machinery protection systems.
Bently Nevada 330180-51-CN 3300 XL Proximitor Sensor
The Bently Nevada 330180-51-CN is a 5.0-meter 3300 XL Proximitor sensor for vibration and displacement monitoring. It features a DIN rail mount design, linear voltage output, and API 670 compliance. This rugged sensor ensures precise machinery diagnostics in harsh industrial environments.
Bently Nevada 330780-50-05 3300 XL 11 mm Proximitor Sensor
The Bently Nevada 330780-50-05 is a 5.0m 3300 XL 11 mm Proximitor sensor for vibration and position monitoring. It features SpringLoc terminals, superior RFI/EMI immunity, and a slim DIN-rail compatible design for dense installations.
Bently Nevada 330704-000-040-10-02-05 3300 XL 11 mm Proximity Probes
The Bently Nevada 330704-000-040-10-02-05 is an 11 mm proximity probe with M14 x 1.5 threads and armored cabling. It provides precise vibration and axial displacement data for critical machinery in demanding environments.
Bently Nevada 330851-02-000-60-10-00-05 3300 XL 25 mm Proximity Probe
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.
Bently Nevada 330903-00-03-10-02-05 NSv Proximity Probes
The Bently Nevada 330903-00-03-10-02-05 is a 3300 XL NSv proximity probe featuring M8x1 threads and a 1.0m cable. It provides high-precision vibration sensing for compact industrial applications.
Bently Nevada 330104-02-08-10-01-00 3300 XL 8 mm Proximity
The Bently Nevada 330104-02-08-10-01-00 is a 3300 XL 8mm proximity probe with M10x1 threads. This 1.0-meter sensor provides precision vibration monitoring for industrial machinery in hazardous areas.


























