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SKU: 330902-00-25-10-02-05
330902-00-25-10-02-05 | Bently Nevada | 3300 NSv Probe
Technical Overview
The Bently Nevada 330902-00-25-10-02-05 is a non-contact vibration displacement probe (3300 NSv Probe) designed for monitoring radial shaft vibration in rotating machinery. It operates on eddy current principles to measure the distance between the probe tip and the target surface with high precision. The probe integrates with the Bently Nevada 3500 System, providing real-time data for machinery protection and condition monitoring. Its robust construction ensures reliable performance in harsh industrial environments, including high-temperature and high-pressure applications. The probe’s output is a DC voltage proportional to the gap distance, enabling precise detection of shaft displacement.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 330902-00-25-10-02-05 |
| Product Type | 3300 NSv Probe |
| Operating Temperature | -40°C to +120°C (-40°F to +248°F) |
| Output Signal | -2 to -18 VDC (linear with gap distance) |
| Target Material | Ferrous or non-ferrous conductive metals |
| Frequency Response | 0 to 10 kHz |
| Cable Length | 5 meters (standard) |
Operational Capabilities
The 3300 NSv Probe is deployed in Oil & Gas and Power Generation applications for critical machinery monitoring. It delivers repeatable accuracy (±1% of full scale) and long-term stability, with a mean time between failures (MTBF) exceeding 100,000 hours. The probe is compatible with API 670-compliant systems and withstands exposure to lubricants, steam, and moderate chemical contaminants.
Technical FAQ
Q: Is this probe compatible with legacy Bently Nevada monitoring systems?
A: Yes, the 3300 NSv Probe interfaces with the 3500 System and earlier 3300/7200 series monitors using standard eddy current probe inputs.
Q: What is the recommended installation gap for optimal performance?
A: The probe should be gapped to -10 VDC (±0.5 V) at the target’s normal operating position, typically 1.0–1.5 mm (40–60 mils) depending on the target material.
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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
89477-30 | Bently Nevada | Interconnect Cable
Technical Overview
The Bently Nevada 89477-30 is a specialized interconnect cable engineered for the 3500 Machinery Protection System. Its primary function is to establish a high-integrity communication link between a 3500/42M Proximitor/Seismic Monitor and its corresponding rear-mounted I/O module. The cable transmits raw, unamplified dynamic vibration and axial position signals from the I/O module's input terminals to the monitor's processing circuitry. It concurrently carries the -24 Vdc power from the monitor to the I/O module, which in turn powers the connected Proximitor probes. The 89477-30 is constructed as a multi-conductor, shielded assembly to ensure high signal-to-noise ratio (SNR) and protect the low-amplitude transducer signals from electromagnetic interference (EMI) and radio-frequency interference (RFI) prevalent in industrial environments. This robust shielding is critical for the accuracy of sub-mil (micrometer) level measurements required for effective machinery diagnostics and protection. The cable's specific length and keyed connectors ensure proper installation and signal path integrity within the 3500 rack architecture.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 89477-30 |
| Product Type | Interconnect Cable |
| Condition | Brand New |
| Warranty | 12 Months |
| Cable Length | 3.0 meters (9.8 feet) |
| Connector Type | Multi-pin, keyed D-subminiature with jackscrew locking mechanisms |
| System Compatibility | Bently Nevada 3500/42M Proximitor/Seismic Monitor and associated I/O modules |
| Cable Construction | Multi-conductor, 22 AWG, with overall foil and/or braid shielding |
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Signal Type | Transmits dynamic transducer signals (vibration, position) and DC power |
| Application Environment | For internal use within 3500 system racks; not rated for field installation |
Operational Capabilities
In Oil & Gas and Power Generation applications, the 89477-30 interconnect cable demonstrates high reliability essential for continuous machinery protection. Its performance is defined by its ability to maintain signal integrity in environments with significant electrical noise and mechanical vibration. The cable's robust construction, featuring secure locking connectors and comprehensive shielding, prevents signal degradation and intermittent connections, which are potential sources of false trips or missed alarms in a protection system. The specified operating temperature range of -30°C to +65°C ensures stable performance within control cabinets and rack rooms that experience thermal cycling. The reliability of the 89477-30 is a critical factor in the overall safety integrity level (SIL) rating of the 3500 system, as it provides the foundational data link for detecting incipient faults such as bearing wear, imbalance, and shaft cracks in critical rotating assets.
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 89477-30 compatible with?
A: The 89477-30 interconnect cable is designed exclusively for the Bently Nevada 3500 Machinery Protection System. It specifically facilitates the connection between a 3500/42M Proximitor/Seismic Monitor and its corresponding I/O module (e.g., 3500/42M I/O with Internal Terminations). It is not designed or validated for use with other Bently Nevada system series (such as 3300) or any third-party monitoring equipment.
Q: What are the installation requirements?
A: Installation must be performed by a qualified instrumentation technician familiar with the 3500 system. The cable is to be routed within the 3500 rack, ensuring it is not pinched, kinked, or subjected to tension. Adhere to a minimum bend radius of 10 times the cable's outer diameter. The keyed connectors prevent incorrect mating; do not apply force if resistance is met. After seating the connectors, fully tighten the jackscrews to prevent disconnection from cabinet vibration. Route the 89477-30 cable away from high-voltage AC power wiring to further mitigate any risk of noise induction.
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.
84661-67 | Bently Nevada | Velomitor Interconnect Cable
Technical Overview
The Bently Nevada 84661-67 is a specialized interconnect cable engineered for the transmission of low-level analog signals from Velomitor piezo-velocity sensors to a machinery protection system. Its primary function is to provide a reliable, noise-immune physical link between a sensor mounted on rotating machinery and a monitoring module, such as the Bently Nevada 3500/42M. The cable is constructed with a shielded, twisted-pair configuration using 22 AWG conductors. This design is critical for preserving the integrity of the millivolt-level velocity signal by minimizing interference from electromagnetic (EMI) and radio frequency (RFI) sources common in industrial environments. The 84661-67 cable transmits the dynamic voltage signal proportional to the machine's case vibration velocity, enabling the 3500 system to perform accurate vibration analysis and machinery diagnostics. The cable features a ruggedized jacket for resistance to industrial chemicals and abrasion, and its specific length and connectorization are designed for seamless integration without field modification, ensuring consistent system performance and measurement accuracy.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 84661-67 |
| Product Type | Velomitor Interconnect Cable |
| Condition | Brand New |
| Warranty | 12 Months |
| Cable Length | 67 feet (20.4 meters) |
| Cable Construction | Shielded, twisted pair, 22 AWG (0.34 mm²) conductors |
| Sensor End Connector | 2-socket MIL-C-5015 style, environmentally sealed |
| Monitor End Connection | Prepared leads for terminal block installation on 3500/42M I/O module |
| Shielding | Overall aluminum/polyester foil shield with tinned copper drain wire |
| Jacket Material | Chlorinated Polyethylene (CPE) for oil and chemical resistance |
| Operating Temperature Range | -30°C to +100°C (-22°F to +212°F) |
Operational Capabilities
In Oil & Gas and Power Generation applications, the 84661-67 interconnect cable demonstrates high reliability and signal fidelity under demanding operational conditions. Its robust CPE jacket provides protection against hydrocarbons, corrosive chemicals, and mechanical abrasion frequently encountered in these environments. The specified operating temperature range of -30°C to +100°C ensures consistent performance from cold startups to high-temperature operating conditions near turbines, compressors, and pumps. The cable's shielding effectiveness is critical for transmitting clean, low-noise vibration signals from Velomitor sensors, which is essential for the accurate detection of machinery faults such as imbalance, misalignment, and bearing degradation. Proper installation, including correct shield grounding at the monitor end only, prevents ground loops and ensures the high signal-to-noise ratio required for the advanced diagnostic algorithms within the 3500 monitoring system.
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 84661-67 compatible with?
A: The 84661-67 cable is designed primarily for use with the Bently Nevada 3500 Machinery Protection System, connecting directly to the terminal block of a 3500/42M Velomitor/Seismic Monitor I/O Module. It is compatible with Bently Nevada Velomitor sensors, including the 330500 and 330525 models, and other piezo-velocity sensors that utilize a 2-pin MIL-C-5015 style connector and have similar output characteristics.
Q: What are the installation requirements?
A: Proper installation is critical for signal integrity. 1) Route the 84661-67 cable in dedicated instrument trays or conduit, separated from high-voltage power cables to prevent induced noise. 2) The cable shield drain wire must be terminated at the instrument ground (GND) terminal on the 3500/42M I/O module. Do not connect the shield at the sensor end to prevent ground loops. 3) Ensure the connector at the sensor is fully seated and the locking ring is tightened to maintain the environmental seal. 4) Secure the cable with appropriate clamps to provide strain relief and prevent vibration-induced damage to the cable or connectors. Adhere to a minimum bend radius of 10 times the cable's outer diameter.
330881-28-04-034-06-02 | Bently Nevada | PROXPAC XL Proximity Transducer
Technical Overview
The Bently Nevada 330881-28-04-034-06-02 is an integrated PROXPAC XL Proximity Transducer system. This component combines an 8 mm proximity probe, an extension cable, and a signal conditioner into a single, factory-calibrated assembly, which eliminates the need for individual component calibration in the field. The transducer operates on the eddy current principle. The probe tip emits a high-frequency radio frequency (RF) signal, which induces eddy currents on the surface of a conductive machine element, such as a rotating shaft. The transducer's internal circuitry measures the impedance changes resulting from the interaction between the RF field and the eddy currents. This impedance is directly proportional to the physical gap between the probe tip and the target surface. The integrated signal conditioner demodulates this signal and provides a continuous DC voltage output that is precisely proportional to the measured gap. This output voltage is then transmitted to a monitoring system, such as the Bently Nevada 3500 series, for analysis of vibration, axial position, or rotational speed. The construction of the 330881-28-04-034-06-02 ensures high signal integrity by minimizing interconnections, making it suitable for critical machinery monitoring applications.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 330881-28-04-034-06-02 |
| Product Type | PROXPAC XL Proximity Transducer |
| Condition | Brand New |
| Warranty | 12 Months |
| Total System Length | 2.8 metres (9.2 feet) |
| Probe Configuration | 3300 XL 8 mm probe, 1/4-28 UNF thread, 0.5 m cable |
| Agency Approvals | Multiple Approvals: CSA (Class I, Div 1/2); ATEX/IECEx (Zone 0/1) |
| Scale Factor | 8.0 V/mm (200 mV/mil), ±5% for AISI 4140 Steel |
| Linear Range | 2.0 mm (80 mils), beginning at 0.25 mm (10 mils) from the probe face |
| Frequency Response | 0 Hz (DC) to 10 kHz (-3 dB) |
| Power Supply Requirement | -17.5 Vdc to -26 Vdc at 12 mA maximum consumption |
| Mounting Option | Panel Mount, 4-Hole Square Flange |
Operational Capabilities
In Oil & Gas and Power Generation applications, the 330881-28-04-034-06-02 provides continuous, online data for machinery protection and condition monitoring. It is engineered for measuring radial vibration, axial thrust position, and differential expansion on large rotating equipment such as gas and steam turbines, centrifugal and reciprocating compressors, and large pump motors. The integrated design enhances reliability by eliminating the connectors between the probe, extension cable, and Proximitor sensor, which are common points of failure and signal degradation due to moisture ingress or vibration. The factory-calibrated system ensures measurement consistency and accuracy without field adjustments. Environmentally, the 330881-28-04-034-06-02 is specified with multiple agency approvals (CSA, ATEX, IECEx), certifying it for safe operation in hazardous areas with explosive gas atmospheres (e.g., Class I, Division 1; Zone 0). The electronics housing is rated for an operating temperature of -34 °C to +85 °C (-30 °F to +185 °F), ensuring performance in demanding industrial environments.
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 330881-28-04-034-06-02 compatible with?
A: The 330881-28-04-034-06-02 is fully compatible with the Bently Nevada 3500 Machinery Protection System, specifically interfacing with modules such as the 3500/42M Proximitor/Seismic Monitor. It is also compatible with any PLC, DCS, or data acquisition system that can provide a -17.5 Vdc to -26 Vdc power supply and accept a proportional analog voltage input (typically configured for a range like -2 to -18 Vdc). The transducer is factory-calibrated for AISI 4140 steel; use with other target materials will require a different calibration or result in measurement inaccuracies.
Q: What are the installation requirements?
A: Installation requires both mechanical mounting and electrical wiring. The probe portion, with its 1/4-28 UNF thread, must be installed in a rigid bracket and its gap set relative to the machine shaft. The standard practice is to set the DC gap voltage to the center of the linear range (e.g., -10.0 V
330102-00-12-05-02-05 | Bently Nevada | 3300 XL 8 mm Proximity Probes
Technical Overview
The Bently Nevada 330102-00-12-05-02-05 is a 3300 XL 8 mm reverse mount proximity probe, a component of an eddy current transducer system designed for non-contact displacement and vibration measurement on rotating machinery. The probe functions by emitting a high-frequency radio frequency (RF) signal from its encapsulated tip. When positioned near a conductive target material, such as a machine shaft, this RF field induces eddy currents on the surface of the target. The interaction between the probe's field and the eddy currents creates an impedance change in the probe's coil, which is directly proportional to the gap between the probe tip and the target surface. This raw signal is transmitted through its integral 0.5-meter cable to a 3300 XL extension cable and subsequently to a 3300 XL Proximitor Sensor. The Proximitor Sensor demodulates and linearizes the signal, producing a precise DC voltage output that corresponds to the physical gap. This conditioned signal is then supplied to a Bently Nevada 3500 Series monitoring system for continuous machine protection, diagnostics, and data logging.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 330102-00-12-05-02-05 |
| Product Type | 3300 XL 8 mm Reverse Mount Proximity Probe |
| Condition | Brand New |
| Warranty | 12 Months |
| Total Length | 0.5 meter (1.6 feet) |
| Mounting Option | 3/8-24 UNF threads, Reverse Mount |
| Case Length | 1.2 inches (30.5 mm) |
| Connector Type | Miniature coaxial ClickLoc connector, gold-plated |
| Linear Range | 2.0 mm (80 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) ±5%, when used with 3300 XL Proximitor and AISI 4140 steel target |
| Frequency Response | 0 Hz (DC) to 10 kHz (-3 dB) |
| Agency Approvals | CSA/NRTL/C, ATEX/IECEx (Ex ia IIC T4 Ga, Ex ia IIIC T135°C Da) |
Operational Capabilities
In Oil & Gas and Power Generation applications, the 330102-00-12-05-02-05 probe is integral to Machinery Protection Systems (MPS) on critical assets like gas and steam turbines, compressors, and large motor-pump sets. It provides the primary measurement for radial vibration, axial thrust position, and shaft eccentricity. The probe's construction from AISI 304 stainless steel ensures high reliability in corrosive and high-temperature environments. Its tip is hermetically sealed with a high-pressure, injection-molded Ryton® PPS material, preventing ingress of oil and process fluids. The specified operating temperature range for the probe tip is -34 °C to +177 °C (-29 °F to +350 °F). The included agency approvals (CSA, ATEX, IECEx) certify the 330102-00-12-05-02-05 for safe operation as an intrinsically safe apparatus in specified hazardous areas, a mandatory requirement for many hydrocarbon processing and power plant environments. The system demonstrates high long-term stability, minimizing calibration drift and ensuring consistent machine protection over extended operational periods.
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 330102-00-12-05-02-05 compatible with?
A: The 330102-00
31000-16-05-00-100-03-02 | Bently Nevada | Proximity Probe HousingAssemblies
Technical Overview
The Bently Nevada 31000-16-05-00-100-03-02 is a proximity probe housing assembly designed for the physical protection and precise positioning of eddy current proximity probes. Its primary function is to provide a rigid, environmentally sealed conduit for mounting a probe to a machine case, enabling accurate measurement of shaft vibration and position. Constructed from 303 stainless steel, the housing offers high resistance to corrosion and physical damage common in industrial environments. This specific assembly, part number 31000-16-05-00-100-03-02, features a 3/4-14 NPT male thread for mounting into the machine case, ensuring a secure and pressure-tight fit. The housing allows for fine adjustment of the probe's distance to the target surface, which is critical for setting the correct DC gap voltage. The signal from the probe, which is an integral part of a complete transducer system, is transmitted through an extension cable to a Proximitor sensor. The Proximitor demodulates this signal into a voltage proportional to the gap, which is then fed into a Bently Nevada 3500 Machinery Protection System for continuous monitoring, analysis, and alarming.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 31000-16-05-00-100-03-02 |
| Product Type | Proximity Probe Housing Assemblies |
| Condition | Brand New |
| Warranty | 12 Months |
| Housing Material | 303 Stainless Steel |
| Mounting Thread | 3/4-14 NPT |
| Standoff Adapter Length | 10.0 inches (254 mm) |
| Total Case Length | 2.1 inches (53 mm) |
| Probe Compatibility | Designed for Bently Nevada 3300 XL 8 mm Proximity Probes |
| Operating Temperature | -34 °C to +177 °C (-29 °F to +350 °F) |
Operational Capabilities
The 31000-16-05-00-100-03-02 housing assembly is engineered for high reliability in demanding industrial settings. In Oil & Gas applications, its 303 stainless steel construction and NPT threaded connection provide excellent resistance to corrosive agents such as hydrogen sulfide (H2S) and ensure pressure containment when installed correctly. In Power Generation environments, the assembly maintains positional stability for the probe across the wide operating temperatures associated with steam and gas turbines, preventing measurement drift due to thermal expansion. The rigid design protects the sensitive probe tip and extension cable from external impact and high vibration, directly contributing to the high Mean Time Between Failures (MTBF) of the overall vibration measurement channel. When installed in accordance with Bently Nevada installation procedures, the housing assembly supports the intrinsic safety and hazardous area certifications of the complete transducer system, making it suitable for deployment in classified locations.
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 31000-16-05-00-100-03-02 compatible with?
A: The 31000-16-05-00-100-03-02 is an integral component of the Bently Nevada 3300 XL Proximity Transducer System. This system, which includes the probe, extension cable, and a 3300 XL Proximitor Sensor, is designed for direct interface with the Bently Nevada 3500 Machinery Protection System. It is also fully compatible with the legacy 3300 monitoring system. The analog voltage output from the associated Proximitor Sensor can also be integrated with other third-party PLCs, DCS, and data acquisition systems capable of processing a -2 to -18 Vdc signal.
Q: What are the installation requirements?
A: Proper installation is critical for accurate measurement. The machine case requires a mounting hole drilled and tapped for a 3/4-14 NPT thread. An appropriate thread sealant must be applied to the housing's male NPT threads to ensure a pressure-tight seal. The housing is then threaded into the machine case and tightened. The proximity probe is inserted into the housing and its axial position is adjusted to achieve the correct DC gap voltage, typically -10 Vdc for a standard 3300 XL 8 mm probe configuration. Once the gap is set, the probe is secured within the housing using its set screws. Proper system grounding, as detailed in Bently Nevada documentation, is mandatory for signal integrity.
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