The Bently Nevada 330103-00-12-10-02-CN is a 3300 XL 8 mm Proximity Transducer designed for non-contact machinery vibration monitoring. Featuring a 1.2m unarmored cable and a 3/8-24 UNF thread, this high-precision eddy current sensor provides critical radial and axial displacement data for industrial turbines and compressors.
The Bently Nevada 330103-00-12-10-02-CN belongs to the 3300 XL 8 mm Proximity Transducer system, a premier solution for non-contact vibration and position measurements. This eddy current sensor measures the distance between the probe tip and a conductive target material, typically a rotating shaft. By providing high-precision data on radial vibration, axial thrust position, and speed, this transducer serves as a critical component in machinery protection systems for large-scale rotating equipment.
This specific model follows a modular configuration to meet precise industrial requirements. The 330103 series probe features a 3/8-24 UNF thread and is designed for standard mounting applications. Because the unit utilizes a 1.2-meter (12) unarmored cable length, it offers flexibility for internal housing installations. Furthermore, the 1.0-meter (10) total length and miniature coaxial connector (02) ensure compatibility with 3300 XL extension cables and Proximitor sensors.
The “CN” suffix indicates that the product complies with Chinese domestic standards or certifications, making it suitable for regional infrastructure projects. Since the probe tip is constructed from high-performance polyphenylene sulfide (PPS), it resists moisture and oil penetration. Moreover, the 3300 XL system provides a linear range of 2.0 mm (80 mils), delivering a consistent scale factor of 7.87 V/mm (200 mV/mil) when properly calibrated with a 4140 steel target.
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 330104-00-14-10-11-00 Proximity Probes is a genuine industrial component.
| Condition | New |
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