The Bently Nevada 330173-00-03-10-02-CN is a 3300 XL NSV metric proximity probe featuring a 30mm case and 1.0m cable. It provides precision small-shaft monitoring with CN-specific certification.
The Bently Nevada 330173-00-03-10-02-CN functions as a high-precision, non-contacting sensor designed for the 3300 XL NSV (Near Proximity) Transducer System. This specific probe utilizes a 3/8-24 UNF threaded body and serves the primary function of measuring shaft vibration in extremely confined spaces. By generating a high-frequency eddy current field, the sensor detects the microscopic gap between the probe tip and a target metal surface. The NSV system excels in monitoring small-diameter shafts or targets with limited clearances that would otherwise interfere with standard 8mm probe signals.
Engineers designed this configuration with an M10 x 1 threaded body and a 1.0-meter integral cable. This model features a 30mm overall case length with no unthreaded portion, providing a compact footprint for restrictive mounting locations. Furthermore, the “CN” designation confirms that the hardware complies with Chinese regional standards, ensuring the sensor meets all necessary regulatory requirements for local industrial deployment. The 3300 XL NSV series also incorporates advanced temperature compensation to maintain an accurate scale factor despite the thermal fluctuations common in high-speed machinery operation.
This proximity probe actively facilitates predictive maintenance by delivering real-time machinery health data to the 3500 Monitoring System. Because the NSV system accurately tracks targets as small as 13mm in diameter, it provides critical protection for auxiliary machinery that standard sensors cannot accommodate. Consequently, plant operators can detect early indicators of mechanical distress like rotor imbalance or bearing wear, which helps prevent catastrophic asset failure and extends the lifespan of expensive equipment.
Primary industrial applications include:
Bently Nevada utilizes 304 stainless steel and PPS (polyphenylene sulfide) resin to ensure long-term survival in aggressive plant atmospheres. This robust construction creates a hermetic seal that resists the ingress of moisture, lubricating oils, and process steam. Additionally, the patented ClickLoc connector technology provides a secure, vibration-resistant electrical path. This locking mechanism prevents signal attenuation often caused by mechanical oscillations, ensuring that the Proximitor sensor receives a clean signal for precise machinery diagnostic analysis.
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 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.
| 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 |
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.
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.
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