The Bently Nevada 31000-00-00-00-070-03-02 is designed for rotating machinery monitoring and protection. Features high reliability and compatibility with Bently Nevada monitoring systems. Brand new, original packaging.
The 31000-00-00-00-070-03-02 is a Bently Nevada Component manufactured by Bently Nevada (Baker Hughes). This product is designed for professional rotating machinery monitoring and protection applications.
| Parameter | Specification |
|---|---|
| Model Number | 31000-00-00-00-070-03-02 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Condition | Brand New (Original Packaging) |
Part Number: 31000-00-00-00-070-03-02
Manufacturer: Bently Nevada
Condition: Brand New
Warranty: 12 Months
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.
| 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 |
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.
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.
The Bently Nevada 21000-34-10-20-058-04-02 is a rigid proximity probe housing assembly designed for the external mounting of proximity probes on machinery casings. Its primary function is to provide a secure, environmentally sealed, and mechanically protected housing for a non-contacting eddy current proximity probe. This specific assembly, constructed from 304 Stainless Steel, ensures robust performance in corrosive industrial environments. It positions a 3300 XL 8 mm probe at a fixed distance from the mounting surface, defined by its 3.4-inch standoff dimension. When integrated into a Bently Nevada 3500 Machinery Protection System, the probe within the 21000-34-10-20-058-04-02 housing measures shaft vibration and position. The probe transmits a high-frequency RF signal, which is modulated by the gap to the conductive target. This signal is then demodulated by a Proximitor sensor, producing a DC voltage proportional to the gap. This voltage is processed by a 3500 monitor module (e.g., 3500/42M) to provide critical data for machinery diagnostics and protection, such as radial vibration, axial thrust position, and speed.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 21000-34-10-20-058-04-02 |
| Product Type | Proximity Probe Housing Assembly |
| Condition | Brand New |
| Warranty | 12 Months |
| Material of Construction | 304 Stainless Steel |
| Mounting Thread Option | 3/4 - 14 NPT |
| Standoff Adapter Dimension (A) | 3.4 in (86 mm) |
| Housing Length (C) | 5.8 in (147 mm) |
| Included Probe | 3300 XL 8 mm Proximity Probe |
| Probe Cable Length (B) | 2.0 m (6.6 ft) |
| Operating Temperature Range | -34 °C to +177 °C (-29 °F to +350 °F), limited by probe/cable specifications |
In Oil & Gas and Power Generation applications, the 21000-34-10-20-058-04-02 housing assembly demonstrates high reliability in demanding operational conditions. Its 304 Stainless Steel construction provides excellent resistance to corrosion from process fluids, steam, and harsh atmospheric contaminants common in these industries. The rigid design ensures the probe's measurement gap remains stable, preventing measurement drift and false alarms, which is critical for the protection of high-speed turbomachinery. The 3/4 - 14 NPT mounting thread, when installed correctly with appropriate sealant, provides a secure, pressure-tight seal against machine casing pressures. This configuration is rated for hazardous area classifications when used with appropriate intrinsic safety barriers. The assembly's design minimizes susceptibility to mechanical shock and vibration, ensuring the integrity of the measurement signal path from the probe to the monitoring system for long-term, uninterrupted machinery protection.
Q: What systems is the 21000-34-10-20-058-04-02 compatible with?
A: The 21000-34-10-20-058-04-02 contains a 3300 XL 8 mm probe. This probe is a component of a complete transducer system that must also include a 3300 XL extension cable and a 3300 XL Proximitor Sensor. The complete transducer system is directly compatible with Bently Nevada monitoring systems, including the 3500 Series, 3300 Series, and the Orbit 60 Series. It provides a standard analog voltage signal (typically 2 to 18 Vdc or -2 to -18 Vdc) to the monitor's input module for processing.
Q: What are the installation requirements?
A: Installation requires a machined mounting boss on the machine case with a 3/4 - 14 NPT tapped hole. The surface of the boss must be perpendicular to the shaft centerline to ensure accurate measurement. Use an appropriate thread sealant (e.g., PTFE tape or liquid sealant rated for the process temperature and fluid) on the NPT threads to create a secure seal and prevent loosening. The assembly should be tightened to the specified torque value. After mechanical installation, the probe gap must be set by adjusting the probe within the housing to achieve the desired DC voltage, typically the center of its linear range (e.g., -10 Vdc for a standard 80 mil / 2 mm range), before locking it in place.
The Bently Nevada 21504-00-32-10-02 is a 3300 NSv series proximity vibration probe, a fundamental component of an eddy current transducer system designed for non-contact displacement and vibration measurement on rotating machinery. Its primary function is to measure the distance (gap) between the probe tip and a conductive target material, typically a machine shaft. The probe operates by generating a high-frequency radio frequency (RF) field from its tip coil. When brought near the conductive target, this field induces eddy currents on the target's surface. These eddy currents alter the impedance of the probe's coil system. This change in impedance is detected by an associated Proximitor Sensor, which demodulates the signal into a voltage directly proportional to the probe-to-target gap. This analog voltage signal is then transmitted to a monitoring system, such as the Bently Nevada 3500 Machinery Protection System, for real-time analysis, trending, and alarming. The 21504-00-32-10-02 is constructed with a stainless steel case for durability in industrial environments and is specifically configured with a 320 mm case length and a 1.0-meter integral cable.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 21504-00-32-10-02 |
| Product Type | 3300 NSv Proximity Vibration Probe |
| Condition | Brand New |
| Warranty | 12 Months |
| Unthreaded Length | 0 mm |
| Case Length | 320 mm (12.6 in) |
| Total Length | 1.0 metre (3.3 feet) |
| Connector Type | Miniature coaxial ClickLoc connector, standard cable |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Case Material | AISI 304 Stainless Steel |
| System Linear Range | 2 mm (80 mils) |
| System Scale Factor | 7.87 V/mm (200 mV/mil) with 3300 NSv Proximitor |
In Oil & Gas and Power Generation applications, the 21504-00-32-10-02 probe demonstrates high reliability for continuous monitoring of critical assets such as gas and steam turbines, compressors, and large pump motors. Its non-contacting measurement principle eliminates mechanical wear, contributing to a high Mean Time Between Failures (MTBF) for the overall protection system. The probe is engineered to operate reliably in harsh industrial conditions. The probe tip is rated for continuous operation from -34 °C to +177 °C (-29 °F to +351 °F). The robust stainless steel case provides protection against physical impact and contaminants common in plant environments. When installed as part of a complete 3300 NSv transducer system, it provides a stable and repeatable measurement essential for machine protection and condition monitoring programs, enabling early detection of developing faults like imbalance, misalignment, and fluid-induced instabilities.
Q: What systems is the 21504-00-32-10-02 compatible with?
A: The 21504-00-32-10-02 probe is a component of the Bently Nevada 3300 NSv Proximity Transducer System. For correct operation, it must be used in conjunction with a 3300 NSv extension cable and a 3300 NSv Proximitor Sensor. The output from the Proximitor Sensor is compatible with Bently Nevada monitoring systems, including the 3500 and 3300 series, as well as any data acquisition system, PLC, or DCS capable of accepting a -24 Vdc powered, 7.87 V/mm (200 mV/mil) analog signal.
Q: What are the installation requirements?
A: Proper installation is critical for measurement accuracy. The probe must be mounted perpendicular to the target surface using a rigid bracket. The physical gap should be set to place the DC output voltage in the middle of the system's linear range, typically -10 Vdc. The target area on the shaft must be at least 10.7 mm (0.42 in) in diameter, smooth (0.4 to 0.8 µm / 16 to 32 µin rms), and free of any electrical or magnetic irregularities (e.g., chrome plating, magnetised spots). Cable routing must avoid high-voltage power lines and other sources of electromagnetic interference. All ClickLoc connectors must be fully engaged to ensure a secure connection.
The Bently Nevada 330192-00-28-05-00 is an 8 mm Extended Temperature Range (ETR) proximity probe component of the 3300 XL Proximity Transducer System. Its primary function is to perform non-contact measurement of relative displacement on rotating and reciprocating machinery. The probe operates on an eddy current principle. When paired with a 3300 XL extension cable and Proximitor Sensor, it forms a tuned oscillator circuit that emits a high-frequency radio frequency (RF) field from the probe tip. This field induces eddy currents on the surface of the observed conductive target, typically a machine shaft. The interaction between the RF field and the eddy currents results in a change in the oscillator's amplitude, which is directly proportional to the gap between the probe tip and the target. The Proximitor Sensor demodulates this RF signal into a precise DC voltage. This voltage signal is then transmitted to a monitoring system, such as the Bently Nevada 3500 Series, where it is processed to provide critical measurements including radial vibration, axial position (thrust), and rotational speed (when used in a Keyphasor configuration). The 330192-00-28-05-00 is constructed with a Polyphenylene Sulfide (PPS) tip and a stainless steel body, ensuring robust performance in high-temperature industrial environments.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 330192-00-28-05-00 |
| Product Type | 3300 XL 8 mm ETR Proximity Probes |
| Condition | Brand New |
| Warranty | 12 Months |
| Linear Range | 2.0 mm (80 mils) |
| Scale Factor | 7.87 V/mm (200 mV/mil) ±5% |
| Probe Tip Temperature Range | -34 °C to +260 °C (-30 °F to +500 °F) |
| Total Length | 0.5 meters (1.6 feet) |
| Case Length | 2.8 inches (71.1 mm) |
| Connector Type | Miniature coaxial ClickLoc connector, gold-plated |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
The 330192-00-28-05-00 probe is engineered for high-reliability machine protection and condition monitoring in demanding industrial sectors. In Oil & Gas applications, its ETR specification (up to +260 °C) allows for installation on high-temperature machinery such as gas turbines, steam turbines, and centrifugal compressors, where probes are often located near hot casings or in high-temperature bearing housings. In Power Generation, it provides essential rotor dynamics data for turbine-generator sets, ensuring safe operation within design limits. The 3300 XL system, including the 330192-00-28-05-00 probe, is designed for high immunity to radio frequency interference (RFI/EMI), a common issue in industrial plants. Its robust construction with an AISI 304 stainless steel case provides excellent resistance to corrosion from hydrocarbons and other process chemicals. The system's stability and repeatability are critical for API 670 compliant machinery protection systems, providing accurate data for automatic shutdown logic and predictive maintenance analysis.
Q: What systems is the 330192-00-28-05-00 compatible with?
A: The 330192-00-28-05-00 probe must be used as part of a complete, electrically matched 3300 XL 8 mm transducer system. This system includes a 3300 XL Proximitor Sensor (e.g., P/N 330180-XXXX-XX) and a
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.
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.
| 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 |
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.
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
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.
| 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) |
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.
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.
The Bently Nevada 21000-16-05-00-115-03-02 is a rigid proximity probe housing assembly engineered to provide a secure and stable mounting for eddy current proximity probes used in machinery protection systems. Its primary function is to physically protect the probe while positioning it at a precise, fixed distance from the observed machine shaft or target surface. This specific assembly, constructed from 303 stainless steel, ensures mechanical integrity and corrosion resistance in harsh industrial environments. It integrates as a critical front-end mechanical component for systems like the Bently Nevada 3500. While the housing itself is a passive component and does not transmit an electrical signal, its dimensional accuracy is fundamental for the integrity of the measurement chain. By holding the probe stationary relative to the machine casing, it enables the connected Proximitor Sensor and monitor to accurately measure radial vibration, axial thrust position, and phase reference (Keyphasor) data. The 1.6-inch penetration length and 1-1/4 - 12 UNF mounting thread are specified for direct installation into pre-drilled and tapped holes on machine casings.
| Parameter | Specification |
|---|---|
| Manufacturer | Bently Nevada |
| Part Number | 21000-16-05-00-115-03-02 |
| Product Type | Proximity Probe Housing Assembly |
| Condition | Brand New |
| Warranty | 12 Months |
| Housing Material | 303 Stainless Steel |
| Mounting Thread | 1-1/4 - 12 UNF |
| Penetration Length (A) | 1.6 in (40.6 mm) |
| Standoff Length (B) | 0.5 in (12.7 mm) |
| Compatible Probe Series | Bently Nevada 3300 XL 8mm, 3300 8mm, 7200 5mm & 8mm |
| Mounting Option | Supplied with two 1-1/4 - 12 UNF mounting nuts |
| Operating Temperature Range | -51°C to +177°C (-60°F to +350°F) |
In Oil & Gas and Power Generation applications, the 21000-16-05-00-115-03-02 housing assembly demonstrates high reliability on critical rotating machinery such as gas and steam turbines, centrifugal compressors, and boiler feed pumps. Its rigid, single-piece 303 stainless steel construction provides excellent resistance to mechanical vibration and thermal expansion, ensuring measurement stability and data integrity for the connected condition monitoring system. The material specification offers robust protection against corrosion from hydrocarbons, process chemicals, and atmospheric moisture. As a passive mechanical component, its Mean Time Between Failures (MTBF) is exceptionally high, with reliability being primarily dependent on correct installation and torque procedures. The specified operating temperature range of -51°C to +177°C allows for direct mounting on hot machine casings without degradation of its mechanical properties, making it suitable for a wide spectrum of industrial operating conditions.
Q: What systems is the 21000-16-05-00-115-03-02 compatible with?
A: The 21000-16-05-00-115-03-02 is designed as a front-end component for Bently Nevada's 3500 and 3300 Machinery Protection and Condition Monitoring Systems. It is mechanically compatible with any system utilizing Bently Nevada 3300 XL 8mm, 3300 8mm, or 7200 series (5mm and 8mm) proximity probes. Its function is purely mechanical, so electrical compatibility is determined by the probe, extension cable, and Proximitor sensor it is used with.
Q: What are the installation requirements?
A: Installation requires a pre-drilled and tapped hole in the machine casing with a 1-1/4 - 12 UNF thread. The housing is threaded into this mount point. The proximity probe is then inserted into the housing and its axial position is adjusted to set the correct DC gap voltage relative to the shaft
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